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Zofenopril-D5

    • Product Name Zofenopril-D5
    • Alias Zofenopril-(phenyl-d5)
    • Einecs NA
    • 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

    736458

    Product Name Zofenopril-D5
    Cas Number 1185196-14-6
    Molecular Formula C22H20D5NO4S2
    Molecular Weight 436.6 g/mol
    Appearance White to off-white solid
    Purity ≥98% (HPLC)
    Application Pharmaceutical research, analytical standard
    Storage Conditions Store at -20°C
    Synonyms Zofenopril, deuterated; Zofenopril-d5 sodium salt
    Solubility Soluble in DMSO, methanol
    Isotopic Labeling Deuterium-labeled (D5)
    Smiles CC(C)C(=O)N1CC(S(=O)C2=CC=CC=C2C1)CC(=O)O
    Category ACE inhibitor, deuterated drug standard

    As an accredited Zofenopril-D5 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Zofenopril-D5 is supplied in a sealed amber glass vial containing 50 mg, labeled with product name, quantity, and safety information.
    Shipping Zofenopril-D5 is shipped in secure, leak-proof packaging, compliant with regulatory requirements for chemical transport. The package includes proper labeling, documentation, and safety data sheets. It is handled at controlled room temperature and shipped via reliable courier services to ensure safe and timely delivery to the specified destination.
    Storage Zofenopril-D5 should be stored at -20°C in a tightly sealed container, protected from light and moisture. It must be kept in a dry, well-ventilated environment and away from incompatible substances. Avoid repeated freeze-thaw cycles to maintain stability. Proper storage ensures the compound’s integrity for research or analytical use. Always refer to the manufacturer's guidelines for specific recommendations.
    Application of Zofenopril-D5

    Applications of Zofenopril-D5 in Industrial Manufacturing

    As the original manufacturer of Zofenopril-D5, we supply this isotopically labeled reference compound to highly specialized pharmaceutical and analytical sectors worldwide. Our focus remains on supporting regulated applications where Zofenopril-D5 is essential for precision, compliance, and analytical consistency. The following detailed application scenarios highlight actual industry practices for integrating this raw material into downstream manufacturing and laboratory workflows.

    1. Pharmaceutical Reference Standard Production for QC Laboratories

    Pharmaceutical companies and contract research organizations rely on Zofenopril-D5 for developing, validating, and calibrating high-performance liquid chromatography (HPLC) and mass spectrometry (MS) assays in the quality control of ACE inhibitor formulations. Factories working in accordance with major pharmacopoeias require precise isotopic standards for method validation and lot-release testing of active pharmaceutical ingredients (APIs) and finished dosage forms. Process chemists introduce the raw material into calibration solution formulations during instrument setup and process validation phases, ensuring traceable and consistent analytical data for regulatory inspection.

    Industry compliance standards

    • USP <793>, <621>, and relevant ACE inhibitor monographs
    • European Pharmacopoeia (Ph. Eur.) 2.2.24, 2.2.46, and compound-specific monographs
    • ICH Q2 (R1) Validation of Analytical Procedures
    • FDA cGMP for Finished Pharmaceuticals (21 CFR 211)

    Typical usage ratio

    • Reference solutions: 0.01–0.2 mg/mL, adjusted according to assay sensitivity and calibration range

    Downstream process integration

    • Dissolved into standard mixtures during the setup of routine HPLC–MS/MS QC methods for release and stability studies
    • Integrated as an internal standard in validation batches for multiresidue, impurity profiling, and API quantification workflows

    Final product types

    • Pharmaceutical quality control reference sets
    • Certified reference material (CRM) kits for regulatory testing
    • Validated analytical methods documentation
    • Pharma laboratory internal standards libraries

    2. Bioanalytical Method Development for Clinical and Preclinical Laboratories

    Specialty bioanalytical laboratories employ Zofenopril-D5 during the development and validation of pharmacokinetic (PK) and pharmacodynamic (PD) assays for human and animal samples. Laboratories involved in clinical and preclinical trials require stable-labeled internal standards in line with Good Laboratory Practice (GLP) guidelines to ensure reproducibility in biological fluids quantification. Typically, formulation scientists spike this compound directly into blank plasma, serum, or urine matrices at calibration and quality control points to measure test article exposure with absolute quantification.

    Industry compliance standards

    • US FDA Bioanalytical Method Validation Guidance (2018)
    • EMA Guideline on Bioanalytical Method Validation (EMEA/CHMP/EWP/192217/2009 Rev.1 Corr.2)
    • OECD Principles of Good Laboratory Practice

    Typical usage ratio

    • Internal standard spiking: 5–50 ng/mL in final extraction solvent, set according to anticipated concentration of analyte in biological samples

    Downstream process integration

    • Added during sample preparation for extraction procedures in PK/PD sample analysis
    • Used throughout sample queue for instrument drift correction and system suitability in LC–MS/MS sequences

    Final product types

    • Validated PK/PD assay protocols for clinical or preclinical studies
    • GLP-compliant sample analysis reports
    • Individually spiked biological standards or QC samples
    • Reference control kits for clinical trial bioanalytics

    3. Stability and Degradation Studies in Finished Pharmaceutical Dosage Manufacturing

    Formulation development and stability testing laboratories use Zofenopril-D5 as a control and internal standard to monitor drug degradation products and to establish shelf-life parameters for tablets, capsules, and injectables containing Zofenopril or related ACE inhibitors. Raw material enters directly into assay mixtures for accelerated stress testing, forced degradation, and long-term stability sampling. Compliance with regulatory submissions for new drug applications requires precise isotopic standards for quantification and identification of all relevant impurities.

    Industry compliance standards

    • ICH Q1A (R2) Stability Testing of New Drug Substances and Products
    • USP <905> Uniformity of Dosage Units
    • WHO Technical Report Series, No. 1010: Stability Testing Guidelines

    Typical usage ratio

    • Isotopic internal standard: 0.05–0.15 mg/g sample, selected based on quantification method and sample mass

    Downstream process integration

    • Introduced during dissolution and assay preparation for real-time and accelerated aging protocols
    • Used for impurity profile confirmation through LC–MS/MS and GC–MS validation platforms

    Final product types

    • Stability tested finished pharmaceutical tablets, capsules, and solutions
    • Impurity/degradation data packages for regulatory dossiers
    • Batch release certificates for finished products
    • Reference-controlled analytical datasets

    4. API Process Development and Pilot Plant Scale Analytical Control

    Active pharmaceutical ingredient (API) manufacturing units utilize Zofenopril-D5 to support process development, scale-up, and validation activities. Technical teams at pilot or commercial scale plants dose the labeled standard into in-process controls and final API batch samples. This supports quantification of yield, purity, and potential process-related impurities with robust traceability for regulatory audits. The integration point typically centers around sample preparation steps for in-process and post-synthesis quality checks.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Ph. Eur. and USP API monographs for analytical controls
    • US FDA Data Integrity and Compliance With Drug CGMP (FDA Guidance 2018)

    Typical usage ratio

    • Reference addition: 0.02–0.1% w/w relative to API sample, optimized for sensitivity and linearity in HPLC/LC–MS assays

    Downstream process integration

    • Added to analytical control samples during pilot batch and full-scale process validation
    • Incorporated into multi-stage QC for impurity and intermediate profiling

    Final product types

    • Validated API batches compliant with regulatory submissions
    • Process development technical reports and master batch records
    • In-process analytical control documentation
    • APIs qualified for formulation into finished dosage forms

    5. Forensic and Doping Laboratory Analytical Control

    Advanced forensic and anti-doping laboratories deploy Zofenopril-D5 as an internal standard for targeted screening, confirmation, and quantification of prohibited substances and their metabolites in athlete samples and biological matrices. The compound serves as a critical traceable yardstick in high-sensitivity MS workflows under anti-doping regulatory frameworks. Integration occurs in the analytical sample preparation phase and throughout quantitative and confirmatory LC–MS/MS analysis for chain-of-custody applications.

    Industry compliance standards

    • World Anti-Doping Agency (WADA) International Standard for Laboratories
    • ISO/IEC 17025: Testing and Calibration Laboratories Accreditation
    • Global harmonization in anti-doping control method validation

    Typical usage ratio

    • Internal standard: 0.5–10 ng/mL spiking concentration, depending on analytical platform sensitivity and expected analyte levels

    Downstream process integration

    • Spiked into athlete urine and blood samples during sample preparation for LC–MS/MS
    • Used for calibration and quantification in confirmatory doping control protocols

    Final product types

    • Chain-of-custody validated analytical reports
    • Accredited laboratory doping control datasets
    • Casework documentation for anti-doping agencies
    • Biological sample control vials for routine and case-specific testing
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    Certification & Compliance
    More Introduction

    Zofenopril-D5: Pushing Boundaries in Pharmaceutical Research

    Working at the heart of our synthesis facility, every batch of Zofenopril-D5 tells a story of precision, hands-on craftsmanship, and deep-rooted knowledge in chemical manufacturing. Zofenopril-D5 carries a simple, yet powerful molecular difference: five deuterium atoms stand where hydrogen once did. Those who spend their days in the lab, pipetting, confirming isotopic purity, and testing through NMR, appreciate the significance of this shift. We have seen new doors open for researchers because of Zofenopril-D5’s unique labeling, especially in tracing metabolic pathways that straight Zofenopril or other unlabeled analogs simply can’t unlock.

    The specifications behind Zofenopril-D5 reflect our understanding of what top-tier research demands. On the line, our team prepares Zofenopril-D5 as a high-purity, off-white, crystalline powder, bringing content and isotopic enrichment past 98%. These features aren’t abstract selling points—our equipment picks up even faint impurities, and our internal standards flag deviations instantly, so no scientist wastes time puzzling over unexpected peaks or erratic results. Consistency over batch runs is something we chase not because it’s an industry trend, but because we know a single out-of-specification batch can set a project back months. Analytical lab members regularly discuss with our QC crew about real issues: how the labeling withstands storage, what solvents carry residual traces, which suppliers deliver the cleanest D2O reagents. Having a deuterated compound like this in stock gives researchers a time-saving tool, especially during mass spec or pharmacokinetics assays, where background interference can lead to headaches and dead ends.

    Practical Contributions to Research and Development

    Zofenopril-D5 isn’t just a labeled molecule for academic curiosity. Teams in drug development harness it for quantification and bioanalytical studies. Since Zofenopril belongs to the family of sulfhydryl-containing ACE inhibitors, and Zofenopril-D5 moves within the same functional space, the deuterium label makes it identifiable within complex biological samples. For pharmacologists tracing a drug’s fate in human or animal plasma, our compound stands out with a unique fingerprint. You don’t have to worry about natural background interfering—deuterium exchanges prevent ambiguity in mass spec and allow for absolute quantification, particularly during PK studies or in method validation.

    Procuring Zofenopril-D5 from a direct manufacturer impacts the workflow in more ways than catalog listings highlight. We do the deuteration step in-house, using methods refined over years spent making deuterated pharmaceuticals for both large-scale and niche laboratories. Real challenges arise: ensuring regioselectivity of deuteriums, verifying that no residual solvents compromise drug performance, and maintaining a clean space between labeled and unlabeled batches. We’re not shielding our process with buzzwords—contamination between lots is a headache that only comes into view when a bioanalytical team flags an unexpected isotopic ratio. We dissect source materials, triple-check transfer lines, and run mock productions to compress cycle times, all so that our partners aren’t left guessing after their first injection into the HPLC.

    Why Zofenopril-D5 Stands Out

    Many may ask what sets deuterium-labeled compounds apart from their unlabeled counterparts. On a structural level, deuterium is just a heavier isotope of hydrogen, but the real impact shows up in kinetic isotope effects, bioanalytical separability, and metabolic stability. Zofenopril acts as an angiotensin-converting enzyme inhibitor, and its pharmacokinetic profile needs careful monitoring through every life-stage—sourcing, packaging, shipping, and application. For every microgram sent out, we track batch testing data, not just for purity but for isotopic consistency across the molecule. Each package includes supporting documentation because we know auditors, regulators, and downstream teams ask for it—not because compliance is a buzzword, but because we field these requests directly.

    During discussions with pharma partners, quality control directors consistently report the need for reliable, well-characterized labeled standards. Some have burned weeks unspooling “research-grade” deuterated material that failed actual method validation. These mishaps come with a price—full resynthesis, recalibration, and re-verification. Our processes limit that risk, because we control every step, from grammage filling to isotopic enrichment confirmation, all performed under the hands of chemists who respect both quantity and analytical integrity.

    Real-World Application Scenarios

    PK researchers in busy CRO labs ask for Zofenopril-D5 by name, because it faces the real stress tests. In plasma or tissue matrix studies, endogenous interference can muddle results. Deuterated internal standards like ours help clean up chromatographic data and build confident methods, especially during bioequivalence and generics development. Scientists share feedback with us: “Your labeled Zofenopril cuts the noise and keeps project timelines on track.” This direct pipeline between bench and manufacturer shapes how we operate, and helps guide process tweaks to keep our offering valuable in a crowded field.

    Mass spectrometry directors working on multi-analyte panels note that Zofenopril-D5’s clear mass shift, combined with guaranteed structural fidelity, reduces sample re-runs and aids in automation. This may sound small, but running machines overnight with the wrong internal standard can cascade into weeks of lost work. Pharmacologists confirm the need for standards matching their matrix, and since our labeled molecule sits at the right chemical shift, there’s no guesswork. We work with customers who run stability tests in varied conditions—freezers, benchtops, transport across hemispheres—and we record performance metrics alongside real storage: not theory, but practice grounded in supply chain realities.

    Learning from Experience and Listening to the Field

    We’ve seen sudden regulatory changes tighten scrutiny on reference standards. Once, a batch of Zofenopril-D5 faced unexpected customs holdups—not due to paperwork, but demands for more granular batch-level data. Because our plant maintains a traceable, open door approach to production records, we met the request in hours, not weeks. Lessons like these inform not just compliance decisions, but also our communication approach. When researchers reach out needing smaller, test-scale lots, we cut through the red tape because we’ve lived through last-minute method development crunches ourselves. We put authenticity and usability first, so our partners move forward instead of drowning in slow-moving bureaucracy.

    Our daily business brings us into conversation with scientists in pharma, regulatory affairs, and academia. They bring concerns: Will this lot behave the same under saline and organic extraction? Will spectra overlap with endogenous compounds? Will the batch documentation satisfy inspectors? We don’t shy away from these exchanges. Each valid concern shapes how we produce, package, and label every unit. Not every challenge can be solved by automation or process flow diagrams—sometimes it takes direct, honest answers, and willingness to tweak on a dime. Many of our customers prefer the long view: continuity of supply, reliable quality, and the option to adapt quickly as project focus shifts.

    Differences and Technical Challenges Compared to Unlabeled Zofenopril

    Synthesizing Zofenopril-D5 calls for skills that go beyond standard hydrogenation or esterification chemistry. We select optimal conditions to introduce deuterium selectively at targeted positions, all while preserving the pharmacophore’s integrity. The heavier isotope doesn’t change how the molecule binds to target enzymes, but it does shift the analytical profile, creating a unique signature in every batch. This difference matters in competitive, data-driven workflows, where traceability and batch reproducibility make or break downstream assays.

    Markets see plenty of Zofenopril products, both as raw materials and as formulated medications. Most of these come from bulk production lines focused on volume. By producing the D5-labeled version, we accept extra cost, longer cycle times, and careful controls on cross-contamination, because substituting even trace hydrogen for deuterium commonly ruins the batch’s value in research settings. Our experience gives us the confidence to deliver only lots passing full isotopic ratio confirmation, because we’ve spent years troubleshooting what happens when internal standards receive inconsistent or unexpected labeling. Many vendors stop at nominal labeling—our production protocols verify each molecular site holds deuterium as intended.

    Supporting Scientific Progress Through Collaboration

    Working hand-in-hand with contract research organizations, bioanalytical labs, and university departments, we answer practical questions about storage, standardization, and data interpretation. Scientists call about the long-term chemical stability of Zofenopril-D5 stored at subzero temperatures versus room temperature. We gather and share the actual test data, not just literature references. Those who run calibration curves over months value updates on shelf life, degradation products, and guidance on preventing isotopic exchange during sample prep. Sometimes, customers face narrow method parameters or shifting regulatory targets. We don’t just reference previous lots; we actively investigate and provide up-to-date results for the specific scenarios our customers describe, because their problems drive our continuous process improvements.

    We’ve also learned to support diverse project scales from pilot-phase R&D all the way into regulated clinical diagnostics. Some organizations need gram-quantities, others only a few milligrams. Flexibility on lot size, speed of documentation, and transparency in communication ensures both large and small projects stay on track. Throughout, batch traceability and documentation stays central, supporting regulatory submissions, audits, and repeat orders. These tasks matter because, in regulated industries, even the smallest labeling error can cascade into significant setbacks.

    Continuous Improvement and Future Outlook

    The journey to build a staple product like Zofenopril-D5 takes more than reactors, documentation, and skillful operators—it’s about learning from real setbacks, listening to users, and acting on experience. Real-world stress tests provide feedback that trumps theory. The feedback loop between plant floor, QC bench, and research bench leads to small, consistent advances in our offering: faster turnaround, clearer certificate of analysis formats, more nuanced guidance on handling and storage variables. Even the container we choose for shipment considers static buildup, potential for light degradation, and ease of transfer in the customer’s workspace—not just cost.

    Looking ahead, we see the field of isotopically labeled pharmaceuticals expanding as regulatory and analytical requirements climb. More complicated drugs appear in pipelines, and analytical separation gets more exacting each year. Our aim remains straightforward—keep refining every aspect of production, from raw material sourcing to packaging and customer support, so researchers trust the labeled standards that underpin their daily work. We’ll keep drawing on direct lab experience, cross-disciplinary collaboration, and a relentless drive to provide the clearest, most reliable Zofenopril-D5 on the market.

    Stronger Standards Drive Stronger Science

    As a manufacturer, we don’t separate ourselves from the scientists, project managers, and analysts who use Zofenopril-D5. Many of us have walked in those shoes ourselves; we know the frustration of unclear results, the sting of a failed validation, the relief when a robust internal standard saves a week’s work. This background shapes not just our chemical expertise, but our entire approach. By maintaining clear communication, honest feedback, and tightly managed processes, we help customers meet rising expectations in drug development and analytical science.

    Every lot we release reflects the hard-earned lessons of the past, guided by a company culture that holds itself accountable every day. If your project depends on clear, reliable detection, quantification, or validation of Zofenopril-related compounds in complex matrices, Zofenopril-D5 bridges the technical and practical needs. We stand with you in the pursuit of science that advances not just our business, but the lives of patients and the broader health of the industry.