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Digoxigenin

    • Product Name Digoxigenin
    • Alias DIG
    • Einecs 216-072-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    104549

    Chemical Name Digoxigenin
    Molecular Formula C23H34O5
    Molecular Weight 390.51 g/mol
    Cas Number 1672-46-4
    Appearance White to off-white powder
    Solubility Soluble in DMSO, methanol, ethanol
    Origin Steroidal compound from Digitalis plants
    Storage Temperature 2-8°C
    Application Labeling of nucleic acids (non-radioactive probe)
    Detection Method Antibody-based (anti-digoxigenin antibodies)
    Melting Point 220-223°C
    Synonyms DIG; 3β,12β,14-Trihydroxy-5β-card-20(22)-enolide

    As an accredited Digoxigenin factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Digoxigenin is supplied in a 1 mg amber glass vial with a secure screw cap, labeled with product name, quantity, and safety information.
    Shipping Digoxigenin is shipped in compliance with international regulations for chemical substances. It is securely packaged in appropriate containers to ensure stability and prevent contamination. Protective secondary packaging is used to avoid leakage. Shipping typically requires temperature control and tracking, with clear labeling and proper documentation for safe and legal transport.
    Storage Digoxigenin should be stored at 2-8°C, protected from light and moisture. It must be kept in a tightly sealed container to prevent contamination and degradation. For longer-term storage, especially for stock solutions, keep it at -20°C. Avoid repeated freeze-thaw cycles. Ensure the storage area is well-ventilated and designated for chemicals, with appropriate labeling and safety precautions in place.
    Application of Digoxigenin

    Applications of Digoxigenin in Industrial Manufacturing

    Digoxigenin, a steroid found in Digitalis species, is a prominent non-radioactive labeling agent widely used in molecular diagnostics, life science research, and biotechnology sectors. As the direct manufacturer, we supply high purity digoxigenin for critical industrial applications where batch-to-batch consistency, regulatory conformity, and production scalability are mandatory. The following sections outline the key downstream application fields, describing integration points, standards, ratios, and typical end products.

    1. Nucleic Acid Probe Labeling for Molecular Diagnostics

    Molecular diagnostics companies employ digoxigenin to label DNA and RNA probes in hybridization-based assays for clinical diagnostics, infectious disease detection, and genetic screening. The conjugation process attaches digoxigenin molecules via chemical or enzymatic coupling, providing a sensitive, non-radioactive alternative for target detection in in situ hybridization (ISH), Southern/Northern blotting, and Fluorescence In Situ Hybridization (FISH) assays. The critical regulatory framework governs every step of manufacturing, from raw material purity control to conjugate stability and assay compatibility, ensuring compliance with international diagnostic standards. Manufacturers adjust digoxigenin-to-nucleotide ratios based on the application and detection platform’s sensitivity requirements.

    Industry compliance standards

    • ISO 13485 Quality Management for Medical Devices
    • IVD Directive (EU) 98/79/EC
    • U.S. FDA 21 CFR Part 820 (QSR for diagnostic devices)
    • Relevant Clinical Laboratory Standards Institute (CLSI) guidelines

    Typical usage ratio

    • 2–8 digoxigenin molecules per 100 nucleotides on labeled probes, adjusted for probe length, hybridization stringency, and detection method sensitivity. Excessive substitution may impair hybridization efficiency and signal clarity.

    Downstream process integration

    • Introducing digoxigenin-11-dUTP/dUTP or digoxigenin-NHS esters during probe synthesis step via enzymatic incorporation or direct conjugation.
    • Purification and quantification of the labeled probe for kit assembly.
    • QC testing for probe specificity, sensitivity, and exclusion of cross-reactivity with sample matrices.

    Final product types

    • Clinical ISH diagnostic kits
    • Nucleic acid detection probe reagents
    • FISH kits for cancer genetics
    • Research-grade labeled probe products

    2. In Situ Hybridization (ISH) Detection in Histopathology

    Histopathology laboratories use digoxigenin-labeled probes for chromogenic and fluorescent detection of DNA or RNA targets in tissue samples. The process demands reproducible probe labeling, efficient incorporation, and low background signal in paraffin-embedded or frozen section analysis. Our material meets stringent lot release specifications for purity, conjugation stability, and absence of free steroid contaminants, supporting compliant downstream manufacture of diagnostic-grade ISH reagents integrating into clinical workflows worldwide.

    Industry compliance standards

    • CAP (College of American Pathologists) laboratory accreditation requirements
    • U.S. FDA Class II or III device regulatory controls (42 CFR Part 493 for CLIA laboratories)
    • EN ISO 15189 (Medical Laboratory Quality)
    • EU IVDR (Regulation (EU) 2017/746)

    Typical usage ratio

    • 5–10 digoxigenin-labeled nucleotides per 150–200 base probe, tailored for optimal chromogenic signal with minimal background in tissue sections. Pathologists may refine the ratio based on target abundance and tissue type.

    Downstream process integration

    • Incorporation into probe labeling kits at probe synthesis or refill stages.
    • Automated or manual application in slide-preparation lines. QC validation on control tissues for background and specificity assessment pre-market release.

    Final product types

    • ISH in situ DNA/RNA diagnostic kits for viral or oncogenic markers
    • Tumor marker detection assay kits
    • Companion diagnostic ISH reagents for personalized medicine
    • Certified reference materials for histopathology laboratory proficiency

    3. ELISA Reagent Production for Biotech R&D

    Biotechnology reagent manufacturers rely on digoxigenin as a non-radioactive hapten for enzyme-linked immunosorbent assay (ELISA) system development, especially for detection of nucleic acids or signal amplification in immunoassays. Its strong antigenicity enables reproducible antibody-based detection in high-throughput analysis, and our supply supports industrial-scale conjugation, ensuring consistency through strict in-process control and release specifications. Manufacturers standardize incorporation based on assay format—direct, indirect or sandwich—considering substrate selection and signal readout instrumentation.

    Industry compliance standards

    • ISO 9001 for Research Reagent Production
    • Good Manufacturing Practices (GMP) for laboratory reagents (where applicable)
    • REACH (EC 1907/2006) compliance for supply within Europe
    • U.S. FDA 21 CFR Part 820 if intended for diagnostic use

    Typical usage ratio

    • 0.1–2 μg digoxigenin per μg of protein or probe substrate, depending on sensitivity requirements and detection reagent optimization. ELISA designers conduct titer optimization to define minimal detectable concentrations during scale-up validation.

    Downstream process integration

    • Conjugation to peptides, oligonucleotides, or proteins during reagent kit assembly.
    • Purification and quality control of immunoreagents before formulation into bulk or aliquot kit packaging.
    • Incorporation into clinical or research ELISA pipelines by biotech laboratories.

    Final product types

    • Research-use ELISA kits for nucleic acid or protein detection
    • Signal amplification agents in immunoassay development
    • Monoclonal antibody detection systems for digoxigenin-labeled targets
    • Control reagents for assay validation and standardization

    4. DNA Microarray Manufacturing for Genomics Platforms

    DNA microarray producers use digoxigenin for labeling target nucleic acids in gene expression profiling, mutation analysis, and genomic screening. Consistent supply and purity of the hapten are crucial, as batch inconsistencies affect hybridization efficiency, background fluorescence, and downstream data analysis. We provide material manufactured within tightly controlled impurity profiles and validated for covalent coupling stability to deliver robust spot signal and minimize slide-to-slide variability during volume microarray slide fabrication.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management for manufacturing processes)
    • OECD Principles of Good Laboratory Practice (GLP) for array validation
    • MIAME (Minimum Information About a Microarray Experiment) Guidelines for data relevance
    • Applicable U.S. FDA and EU regulations for clinical microarray applications

    Typical usage ratio

    • Typically, 1–5 digoxigenin residues per DNA target or cRNA fragment, balance determined by hybridization platform performance and detection sensitivity required by application (e.g., cancer gene panels vs. general transcriptomics).

    Downstream process integration

    • Incorporation at the nucleic acid labeling step before hybridization with complementary probes immobilized on slides.
    • QC evaluation on reference microarrays for signal intensity, reproducibility, and spot uniformity before industrial batch release.
    • Integration into microarray manufacturing lines for both research and IVD product lines.

    Final product types

    • Gene expression DNA microarray slides
    • SNP and mutation detection array kits
    • Array-based clinical diagnostic kits
    • Research microarray platforms for academic and pharmaceutical use
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    Certification & Compliance
    More Introduction

    Digoxigenin: Our Perspective as a Chemical Manufacturer

    Introducing Digoxigenin

    Every batch of Digoxigenin that leaves our facility reflects years of hands-on research and a continued commitment to precise chemistry. As a naturally derived steroid from the Digitalis plant, Digoxigenin stands out in molecular biology applications for its role as a non-radioactive labeling agent. We don't treat Digoxigenin as another line item—it’s a result of precise control during extraction and synthesis, meeting demands from genomics labs to diagnostics designers. Our process yields high-purity Digoxigenin with reliable reproducibility, giving our partners a dependable signal and clear results, project after project.

    The Value of Digoxigenin in Life Science

    Digoxigenin owes its popularity in labs to the robust antigen-antibody system it enables. Through our production, we create Digoxigenin suited for labeling nucleic acids. Researchers favor this system over biotin or radioisotopes because Digoxigenin-antibody binding delivers strong detection with almost no background interference, cutting out noise and false positives that plague other methods. Clearly distinguishable results give scientists confidence—fewer repeats, clearer papers, and trusted protocols. In situ hybridization, Southern blots, and immunoassays now operate with less risk of ambiguous interpretation, saving time and avoiding complications.

    Biotin and its avidin/streptavidin systems sometimes create hurdles: endogenous biotin in biological samples can background-stain assays, and radioisotopes introduce safety and disposal headaches. With Digoxigenin, these pitfalls vanish. We see our partners move away from radioactivity out of genuine concern for workplace safety and regulatory pressure. Digoxigenin offers a simpler route—neither hazardous nor cumbersome, it fits routine workflows in busy molecular labs.

    How We Achieve Unmatched Purity and Performance

    Pure Digoxigenin starts with a conscientious approach to sourcing. The Digitalis plants grow on plots we monitor from seed to harvest. Our extraction avoids harsh solvents that degrade the molecule. Stringent purification steps, including chromatography and crystallization, remove plant byproducts and impurities. Each lot undergoes a battery of NMR and HPLC tests, not because regulations push us, but because we want batch-to-batch consistency that reassures even the most experienced scientists. Decades spent optimizing these steps means researchers rely on our Digoxigenin for precise molecular labeling in their high-impact projects, from cancer diagnostics to agricultural biosciences.

    We achieve a consistently high purity level exceeding 98%, a standard that eliminates the worry about interfering substances. Lower grades simply introduce unnecessary variables. Even minute impurities can cause unpredictable behavior in enzyme-linked or fluorescent assays, making reliable outcomes difficult. Our tight process control minimizes such risk, letting our users interpret results without second-guessing their reagents. This confidence—earned through chemistry, not just marketing copy—drives adoption among established research institutions and diagnostic kit manufacturers.

    Digoxigenin Model Types and Specifications

    Over the years, demand has pushed us to refine model forms tailored for a range of coupling reactions. Our main product is lyophilized crystalline Digoxigenin, shipped in amber vials to protect from light. Stability checks show this form resists degradation even after extended storage at recommended conditions. We also supply pre-activated Digoxigenin derivatives, including succinimidyl ester forms, since not every lab wants to spend time on chemical activation. Quick solubilization and immediate conjugation to oligonucleotides or peptides become realities with these ready-to-use derivatives. Each format undergoes its own set of purity and integrity checks before being approved for shipment.

    Concentration choices give users flexibility: our typical offering ranges from 5 mg to bulk-scale 100 g lots, catering to both bench researchers and kit manufacturers. Each vial comes with a detailed certificate of analysis, outlining batch number, structural confirmation, and purity by two orthogonal methods—something our clients have told us saves time and audit stress later. All processes comply with current good manufacturing practices, and documentation fits neatly with ISO and quality management systems used in regulated industries.

    Practical Differences from Other Labeling Agents

    We have regular conversations with customers switching from biotin, fluorescein, or radioactive phosphate to Digoxigenin. Most switch for one main reason: clean, reliable detection. Unlike biotin, Digoxigenin’s plant origin means no natural background in human or animal tissue. Non-specific binding shows up less, and washing protocols become simpler. Downstream steps see fewer complications; there is no risk of avidin cross-reactivity, and signal amplification using anti-Digoxigenin antibodies remains robust even at low target concentrations.

    Researchers working with radioisotopes used to struggle with regulations, decay, and waste management. Switching to Digoxigenin frees them from radioactive protocols, lets them extend project timelines, and avoids a host of safety training and disposal costs. Fluorescent probes, while useful, sometimes fade under repeated imaging or in harsh sample conditions; Digoxigenin’s signal, visualized through enzyme-coupled or fluor-linked antibodies, keeps its integrity through long experiments, even if quantifications run overnight.

    Reporting back, researchers note that once Digoxigenin becomes part of a workflow, reproducibility improves. Laboratories can archive labeled samples safely, return to them months later, and get reliable readings. The adaptation curve stays gentle—Digoxigenin-based procedures are almost always compatible with existing blocking agents and substrates.

    Applications Supported by Digoxigenin

    Digoxigenin finds its place in in situ hybridization, a key technique for localizing specific nucleic acid sequences in tissue sections or on chromosomes. We’ve watched pathology labs overhaul their detection protocols, using Digoxigenin-labeled probes to map gene expression, identify viral infections, or pinpoint copy number variations with crisp, easy-to-interpret signals. Educational genomics labs rely on it for classroom demonstrations—students see unambiguous bands on gels, and teachers avoid health hazard concerns.

    Diagnostic test manufacturers use Digoxigenin in multiplex assays to distinguish between closely related pathogens. By running parallel reactions—one with Digoxigenin, another with biotin, for example—they stack information, lowering error rates. Regulatory agencies show growing interest in non-radioactive assays, a trend we’ve seen drive adoption of Digoxigenin for food safety and environmental monitoring as well.

    Custom kit developers appreciate Digoxigenin not just for safety, but for the documentation and quality assurance that audits increasingly demand. Our history of full traceability—from Digitalis root to crystalline powder—fits regulatory expectations. We work directly with their quality teams to answer documentation questions, conduct audits, and develop training materials that build comfort and trust.

    Meeting Challenges in Digoxigenin Manufacturing

    Producing Digoxigenin in scale brings unique challenges. The Digitalis plant, like most natural sources, shows year-to-year variability in yield due to weather, disease, and soil. We’ve invested in controlled cultivation environments and early-purity screening methods, keeping supply steady and product quality up to standard. Downstream, the requirement for high-purity extraction means no shortcuts—batch processes run to completion, with skilled technicians verifying each fraction, not just relying on automated analytics.

    Global demand swings create pressure for stability. To buffer against spikes and shortages, we maintain buffer inventories, robust supplier relationships, and continuous process improvement programs. If new regulations pop up in a customer’s region, we can adapt documentation, batch tracking, and shipment labeling quickly—keeping everyone’s compliance programs running smoothly. Unexpected disruptions, such as international transport bottlenecks or plant disease outbreaks, mean we call on decades-old partnerships and redundant systems to secure supply.

    Commitment to Reproducible, Reliable Chemistry

    Reproducibility remains a source of pride and a relentless focus of attention. Manufacturing standards don’t just follow common practices—they build on a commitment to eliminating sources of error. Every raw material lot goes through validated acceptance testing, and production steps use real-time in-process controls checked by trained operators. Finished Digoxigenin must clear strict final release specifications before shipment. If a lot fails, it doesn’t just stay off the market—it goes back for improvement.

    We keep up an open feedback loop with labs and kit customers. Knowing how Digoxigenin performs in novel assay formats, or in the hands of forensic scientists vs. plant biologists, lets us adjust specifications or fine-tune future production batches. New applications surface regularly, and we push our research team to work with collaborators, developing forms or derivatives suited for fluorescence, enzymatic amplification, or multiplexed detection systems. Staying ahead of scientific and regulatory needs protects both researcher confidence and consumer safety.

    Solutions for Common User Issues

    Every product faces a learning curve in the field. Digoxigenin sometimes requires tweaks to established protocols, especially for those switching from biotin or radioactive systems. Our technical team spends real time in user training—not just distributing protocols, but diving into optimization discussions, troubleshooting hybridization stringency or detection sensitivity, and building custom workflows. Through this ongoing support, we minimize experiment failures, reduce labor time, and push up result reliability.

    Interference from secondary antibodies or blocking reagents can crop up if incompatible products sneak into a workflow. We keep an updated list of tested reagents, and, where warranted, offer samples so labs can run side-by-side comparisons—cluing users in to unexpected sources of background early. If a lab deals with tough tissue types or dirty samples, we provide pointers on tissue preparation, probe design, and signal amplification, boiling years of know-how into concise guidance.

    Observations on the Market Landscape

    Increased awareness of sustainability and safety shifts the market for labeling agents away from hazardous materials. Digoxigenin answers to both demands. Researchers can carry out experiments with less risk to health and less need for disposal infrastructure. The industry’s move toward green chemistry is more than surface-deep; customers expect safer reagents at scale, not just boutique or academic levels. As more diagnostic kit and device regulations require traceability, Digoxigenin’s supply chain transparency gives us and our users a meaningful head start.

    Accelerated assay development cycles in biotech and diagnostics rely on stable, predictable reagents. Digoxigenin demonstrates staying power in PCR probe labeling, blotting, multiplexing, and emerging digital PCR applications. Within our manufacturing plant, we focus daily on continuity strategies—training, automation where appropriate, and in-depth knowledge transfer from veteran chemists to new staffers. We avoid cutting corners and keep loyalty high among our employees; this translates directly to reliability delivered through every bottle of Digoxigenin.

    Continuous Improvement for Future Needs

    No process remains static. Every year brings new challenges from customers, regulators, or shifts in plant biology. Digoxigenin’s place in research is likely to grow as new molecular tools and technologies demand labeling systems that are both robust and safe. We closely monitor developments in super-resolution microscopy, rapid diagnostics, and point-of-care testing, knowing each area may lean more heavily on Digoxigenin in the future. Direct feedback from modern labs shapes our investment strategy, whether enlarging production lines or inventing new chemical forms.

    We listen as users cope with bottlenecks in labeling efficiency or long-term storage stability. In-house development teams take these cues seriously, experimenting with new stabilizers, packaging formats, and chemical derivatives to address challenging field conditions. Our scientific team reviews every published method and early-stage technology using Digoxigenin, hunting for gaps or friction points that might be solved with smarter chemistry or improved protocols.

    What Sets Our Digoxigenin Apart

    Any manufacturer can talk about purity or compliance, but we build ours from the ground up, rooted in close collaborations with working scientists. Documented provenance for every step reassures regulators and procurement managers. Our investments in robust supply contracts, expert staff, and process automation keep lead times short—no one waits weeks for their next vial. Third-party labs regularly confirm the structural integrity and purity of our material, and we share those results openly.

    We recognize that labs put their reputations on the line in every paper, patent, or diagnostic kit. When data fails because of unreliable reagents, careers and discoveries suffer. Digoxigenin’s repeatability, safety, and clear documentation offer a real counterweight to such risk. Far from a commodity, Digoxigenin produced with care and experience grows into a cornerstone of thoughtful, responsible molecular science.

    Digoxigenin and the Evolving Needs of Science

    Science never stands still. Today’s researchers rely on detection systems that carry both historical credibility and flexibility for new methods. Digoxigenin answers both. Its track record as a nucleic acid label, its robust anti-DIG antibody systems, and a wide body of published results allow scientists to move confidently from classic techniques to advanced multiplex or digital applications. Life science as a field needs adaptable, safe, and well-characterized reagents; Digoxigenin consistently proves its value across these emerging needs.

    We prioritize clear communication and close customer interactions. Questions about optimal conjugation, storage stability, or detection strategies are met by chemists and technical staff who have hands-on experience with the material. Every insight from our users shapes the evolution of our protocols and product offerings.

    Building Trust through Transparency and Support

    Fundamental trust in reagents does not come from a glossy catalog or generic claims. It develops through repeated, real-world success in experiments—each one documented and reviewed. Our Digoxigenin production pairs rigorous internal QC with open lines of communication to the scientific community. This foundation of reliability ensures our users can pursue novel science, invent diagnostics, and train the next generation of molecular biologists without hesitation.

    Feedback drives ongoing improvements. Whether it’s a diagnostic giant or a new start-up, each user finds a willing partner in us, ready to address onsite concerns or future-proof their workflow. Our technical library—built from thousands of real queries—gives direct guidance for every phase, from oligo labeling to signal detection and troubleshooting. We see it as our responsibility to support not just product sales, but the success of every researcher or developer who bets on our chemistry.

    Looking Ahead: Continued Commitment

    As the landscape of diagnostics and biosciences becomes even more demanding, we invest in capacity, transparency, and sustainable practices around Digoxigenin. Projects grow larger, timelines compress, and the need for robust reagents climbs. Digoxigenin’s place in these workflows will only expand, carrying with it our reputation for consistent quality.

    From sourcing raw Digitalis to shipping finished crystalline Digoxigenin, we control every link in our supply chain. Every user draws peace of mind from the fact that our dedication matches their own standards for scientific rigor. We aim to keep that trust by shaping our processes to tomorrow’s discoveries just as reliably as we did for today’s.