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5-Methyl-2'-Deoxycytidine

    • Product Name 5-Methyl-2'-Deoxycytidine
    • Alias 5-Methyl-2'-deoxycytidine
    • Einecs 634-137-4
    • 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
    VTB
    Specifications

    HS Code

    193601

    Name 5-Methyl-2'-Deoxycytidine
    Cas Number 838-07-3
    Molecular Formula C10H15N3O4
    Molecular Weight 241.25 g/mol
    Appearance White to off-white solid
    Melting Point 226-228 °C
    Solubility In Water Slightly soluble
    Storage Temperature 2-8 °C
    Iupac Name 5-methyl-2'-deoxycytidine
    Synonyms 5-Methyldeoxycytidine, 5mdC
    Purity Typically ≥98%
    Smiles CC1=CN(C(=O)NC1=O)C2OC(CO)C(O)C2O
    Pka 4.3 (approximate)
    Chemical Class Nucleoside analogue

    As an accredited 5-Methyl-2'-Deoxycytidine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 5-Methyl-2'-Deoxycytidine, 100 mg, supplied in a sealed amber glass vial, labeled with chemical details and storage instructions.
    Shipping 5-Methyl-2'-Deoxycytidine is shipped in securely sealed containers under ambient or refrigerated conditions, depending on quantity and stability requirements. Packaging complies with chemical safety regulations, ensuring protection from light, moisture, and contamination. All shipments include accurate labeling, safety documentation, and Material Safety Data Sheets (MSDS) for safe handling and regulatory compliance.
    Storage 5-Methyl-2'-Deoxycytidine should be stored at -20°C, protected from light and moisture to prevent degradation. Keep the chemical tightly sealed in a dry, inert atmosphere, such as under argon or nitrogen. This storage condition preserves its stability and prevents contamination or decomposition. Avoid repeated freeze-thaw cycles to maintain the quality and purity of the compound.
    Application of 5-Methyl-2'-Deoxycytidine

    Applications of 5-Methyl-2'-Deoxycytidine in Industrial Manufacturing

    5-Methyl-2'-Deoxycytidine serves as a specialized nucleoside building block in high-precision industries, including pharmaceutical manufacturing, epigenetics-based diagnostics, nucleic acid synthesis, and research reagent production. As a primary manufacturer, we supply this raw material with well-established quality control practices and batch traceability. Below are key downstream application areas with process details.

    1. Anticancer Drug Active Pharmaceutical Ingredient (API) Synthesis

    Downstream pharmaceutical manufacturers use this nucleoside derivative for the chemical synthesis of epigenetic-modifying APIs. The compound functions as a core reactant in the production of demethylating agents targeting abnormal DNA methylation in cancer cell regulation, especially for hematological malignancies. Manufacturers follow stringent in-process controls and validated synthetic steps to retain site-specific methylation, ensuring batch consistency and impurity management throughout scaling phases.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • US FDA cGMP 21 CFR Parts 210 and 211
    • European Pharmacopoeia (Ph. Eur.) monographs for nucleoside APIs
    • Chinese Pharmacopoeia ChP (for domestic use and export)

    Typical usage ratio

    • Used at 0.8–1.2 molar equivalents relative to the API’s nucleoside backbone
    • Adjusted based on target yield and impurity profile; low excess maintained for cost and purification control

    Downstream process integration

    • Initiates as protected monomer in early-stage nucleoside coupling reactions
    • Participates in site-specific methylation steps under controlled reaction temperature and pH
    • Incorporated in automated solid-phase synthesis for advanced API manufacture
    • Monitored by HPLC and LC-MS during purification and post-reaction processing

    Final product types

    • Oral and injectable anticancer drugs for leukemia, MDS
    • Solid and lyophilized API powders destined for further formulation
    • Clinical trial materials in finished dosage forms
    • Reference standards for pharmaceutical quality control labs

    2. Epigenetic Research Kit Formulation

    Biotechnology manufacturers rely on this nucleoside in reagent kits for DNA methylation analysis and epigenetic modulation studies. It enables researchers to incorporate site-specific methylation into custom oligonucleotides, serving as positive controls and calibration samples. Manufacturing demands low endotoxin, high purity, and batch verification, with robust supply chain documentation for life science grade reagents.

    Industry compliance standards

    • ISO 13485:2016 Quality Management for Medical Device Laboratories
    • ISO 9001:2015 Quality Management Systems for Research Reagents
    • US FDA 21 CFR Part 820 (for kits supplied to the US)
    • Certificate of Analysis (CoA) batch release for traceability

    Typical usage ratio

    • Incubated at 10–50 μM final concentration in methylation reaction mixtures
    • Oligonucleotide synthesis uses 0.05–0.2 mmol per 1 mmol scale batch based on labeling requirements

    Downstream process integration

    • Dissolved in pre-formulated buffer systems for kit assembly
    • Spiked in DNA substrate mixes for positive methylation control
    • Integrated into lyophilized research kit master mixes
    • Packaged into single-use tubes, sealed under nitrogen for extended shelf life

    Final product types

    • DNA methylation detection kits for academic and industrial labs
    • Epigenetic modification assay kits
    • qPCR and sequencing control standards
    • Custom oligonucleotides with methylated cytosine for basic research

    3. Synthetic DNA and Oligonucleotide Manufacturing

    Commercial oligonucleotide synthesis houses employ sterile, high-purity 5-Methyl-2'-Deoxycytidine as a key protected nucleotide during automated DNA chain assembly. The compound enables incorporation of methylated cytosine at programmed positions, supporting synthesis protocols that serve custom gene editing, education, and diagnostic sectors. Stringent quality control measures ensure consistent coupling efficiency, base protection, and minimized side reactions during synthesis and deprotection cycles.

    Industry compliance standards

    • US Pharmacopeia (USP) <797> and <1075> for oligomer purity and handling
    • ISO 18385:2016 Minimizing the risk of human DNA contamination in labs
    • OECD GLP for traceable process and reagent validation
    • REACH registration for supply to the European market

    Typical usage ratio

    • Loaded at 0.5–3.0% molar ratio in the phosphoramidite pool depending on methylation site design
    • Higher proportions based on the number of methylated bases per sequence

    Downstream process integration

    • Introduced as a protected nucleoside phosphoramidite during automated DNA synthesizer runs
    • Processed through sequential coupling, oxidation, and cleavage steps
    • Final deprotection and desalting prior to HPLC purification
    • Batch testing for purity, methylation specificity, and absence of depurination

    Final product types

    • Custom-modified DNA oligonucleotides for research
    • Primers and probes for methylation-sensitive PCR and qPCR
    • Gene editing guide strands
    • Synthetic gene standards for diagnostics

    4. Clinical Grade Reference Standards Production

    Accredited analytical standards manufacturers use this nucleoside as a verified reference standard for both quantitative and qualitative testing in regulated bioanalytical and pharmacological environments. The raw material undergoes full characterization, including NMR, mass spectrometry, and certificate of analysis batch release. Laboratories rely on the traceable standard for calibration curves in LC-MS/MS quantification of methylated DNA fragments in clinical samples.

    Industry compliance standards

    • ISO/IEC 17025:2017 Competence for testing and calibration laboratories
    • ISO Guide 34/ISO 17034:2016 Reference material production
    • USP Reference Standard procedures
    • FDA Guidance — Analytical Procedures and Methods Validation

    Typical usage ratio

    • Prepared at 0.5–10 μg/mL in calibration solutions, adjusted per instrument sensitivity
    • Aliquoted as single-use vials of 10–100 μg depending on end-user lab workflow

    Downstream process integration

    • Dissolved with certified reference solvents under inert atmosphere
    • Dispensed and lyophilized or sealed as neat standard
    • Applied directly to calibrate LC, LC-MS, or GC-MS instrument curves
    • Accompanied by batch-specific CoA and purity documentation in each package

    Final product types

    • Primary reference standards for clinical laboratory developed tests
    • Certified calibration kits for DNA methylation quantification
    • Control samples for regulated QC environments
    • Stability test samples for pharmaceutical and diagnostic validation
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    Certification & Compliance
    More Introduction

    5-Methyl-2'-Deoxycytidine: Insight from the Manufacturer’s Bench

    A Closer Look at 5-Methyl-2'-Deoxycytidine

    In our labs, 5-Methyl-2'-Deoxycytidine goes by its chemical shorthand, but for researchers and industrial users, the impact behind this molecule is anything but simple. We produce it not because it is easy, but because the relationships between process, performance, and reproducibility really matter. The compound itself stands out, built on the backbone of deoxycytidine, introducing a crucial methyl group at the 5-position. This slight molecular adjustment gives rise to major advantages in DNA methylation studies, epigenetic research, and the synthesis of biologically relevant oligonucleotides.

    What 5-Methyl-2'-Deoxycytidine Brings to the Table

    From where our process begins, the purity of each batch reflects both the sophistication and discipline behind our workflow. Each step serves the goal of ensuring that research involving DNA methylation analysis proceeds without costly interruptions. For researchers tracking subtle changes in gene expression, using clean, consistently manufactured 5-Methyl-2'-Deoxycytidine sets a foundation for confidence in downstream results. We routinely confirm purity above 98% by HPLC, a level we arrive at by thoughtful reaction tuning, not shortcuts. Our experience tells us that traces of process residues, inconsistent batch performance, or fluctuations in moisture content can quietly take apart expensive experiments. We’ve seen published work discredited due to such issues, and we take that outcome personally.

    We pack our product dry, sealed against typical lab humidity, and support project requirements with full analytical traceability for each lot. Customers benefit from simplified handling, precise molecular weight, and a melting point range supported by direct measurement. These are not abstract assurances but commitments backed up by real, visible QC data attached to every batch.

    Comparing with Other Cytidine Derivatives

    Real scientific progress relies on transparent differentiation. In the field of cytidine modifications, alternatives exist: normal 2'-deoxycytidine, 5-hydroxymethyl-2'-deoxycytidine, and even unmodified cytidine find use in molecular biology. Many newcomers ask what separates 5-Methyl-2'-Deoxycytidine from the rest. That methyl group confers structural stability in DNA, which matters tremendously for in vitro methylation models and for synthesizing oligos intended to mimic native epigenetic patterns. We manufacture derivatives free from unwanted isomers, avoiding cross-contamination between methylated, unmethylated, and hydroxymethylated forms. A methyl group, so small in size, avoids large steric clashes that would otherwise throw off DNA duplex formation and downstream enzymatic handling.

    In our experience, researchers using standard 2'-deoxycytidine in place of the methylated analog often find their enzymes interacting with non-methylated DNA, a poor model for epigenetic analysis. 5-Methyl-2'-Deoxycytidine duplicates the methyl pattern seen in native mammalian DNA, making it the only real choice for understanding methylation-specific DNA–protein recognition.

    Applications Across Research and Diagnostics

    We manufacture 5-Methyl-2'-Deoxycytidine for essential laboratory and commercial applications. In epigenetics, it acts as an essential piece of the puzzle in studies of gene silencing, X-chromosome inactivation, and imprinting. Surveillance for aberrant DNA methylation patterns, particularly in cancer research, depends on the ability to trace 5-methylcytosine residues precisely.

    Our compound features heavily in oligonucleotide synthesis. Solid-phase synthesis protocols benefit from nucleoside phosphoramidites made using our material since both the backbone’s integrity and the methylation mark survive the standard protecting group chemistry. During development, we provide feedback to customers on optimal storage, reducing degradation in high-throughput oligo synthesizers. We receive direct feedback from major genomics providers; consistent performance at scale is what has kept our material specified in their processes.

    DNA methyltransferase assays demand substrate DNA with precise methylation content. Many times, published work relies on oligonucleotides containing our 5-Methyl-2'-Deoxycytidine to determine enzyme activity on methylated versus unmethylated sequences. Biotech companies use the same principal product to develop methylation-sensitive detection kits, which find use in early cancer detection and forensic analyses.

    The Value of Consistent Quality

    Small deviations ripple through sensitive experimental systems. Our production team learned, often the hard way, that batch size, solvent handling, and lyophilization parameters all play a role in keeping the methylation mark intact and unaccompanied by side-products. More than once, we saw downstream amplification performance tumble when a supplier changed their purification scheme or switched water sources. We adopted a process authentication protocol for water and organic solvents, using dedicated glassware to prevent contamination.

    We adjust crystal drying protocols based on seasonal humidity changes, recognizing subtle influences that otherwise escape routine inspection. Years of experience have shown us that even a 0.5% drop in final purity or a few parts per million moisture can lead researchers astray. In response, we work closely with end users to ensure delivered product meets their experimental expectations, going beyond what most vendors offer.

    Our Process: Building In Reliability

    Making 5-Methyl-2'-Deoxycytidine at scale with reliably high purity does not come from off-the-shelf syntheses. We refined our approach through dozens of iterations. Early on, we abandoned open-flask methylation for oxygen-free processes. We determined that temperature ramps and the order of protecting group additions decide final product yield. Careful staff training and automated batch recording have prevented variance. Over the years, we recorded an internal defect rate of less than 0.9%, substantially below industry average.

    Customers demand and deserve transparency. Alongside each order, we provide complete spectroscopic and chromatographic documentation, from NMR through to mass spec, so no questions remain about identity or purity. Feedback loops with our clients have driven incremental gains, especially in scaling up from lab to production volumes without introducing new impurities. This dialog is not a marketing pitch, it is a responsibility we feel as a producer to support the scientific community.

    Supply Chain and Traceability: Taking Nothing for Granted

    In today’s environment, researchers want to know exactly what enters their studies. Our raw materials sourcing reflects strategic choices for lot control and supply chain security. We secure all starting materials through audited partners using tested, documentable routes. By keeping our synthesis and analytical work under one roof, we protect against bottlenecks and interruptions. Traceability records span at least ten years back, so that in case of any question, we respond with fact, not reassurance.

    This chain-of-custody mindset stems from episodes in chemical manufacturing where unnoticed substitutions or changes have invalidated months of work for customers. Our team understands the need to think beyond the lot at hand. This sense of stewardship underpins every lot release and batch record update produced for 5-Methyl-2'-Deoxycytidine.

    Environmental Commitment and Worker Safety

    We take environmental and worker safety seriously. Manufacturing nucleoside analogs presents specific hazards, since small molecular changes alter toxicity profiles. Our approach incorporates both local legal requirements and in-house standards that anticipate future regulatory shifts. During each production run, chemical exposure is minimized through contained handling and personal protective equipment. Waste solvents are recycled wherever possible in coordination with certified contractors. We treat these not only as legal obligations but as shared responsibilities to our workers and communities.

    Our wastewater testing extends beyond ordinary limits, with quarterly analyses for heavy metals and residual organics. Recent years brought increased scrutiny to pharmaceutical precursors and their environmental repercussions. Actual reductions in process waste volumes, and a move toward solvent substitution, have cut the footprint of each kilogram of 5-Methyl-2'-Deoxycytidine we ship. These changes came out of staff discussions, not boardroom mandates.

    Supporting Discovery and Advancing Standards

    Across different research groups, 5-Methyl-2'-Deoxycytidine shows up at key points in assay development and method validation. Journals and academic reviewers grew much more stringent about supplier transparency, sample documentation, and the avoidance of hidden contaminants. We see shipping documents being cited in supplementary materials, and request logs reviewed for regulatory filings. Meeting these expectations means keeping data on every lot, not just the ones with published issues.

    We regularly update our team on new findings in nucleoside chemistry, emerging literature, and best practices drawn from our major clients worldwide. Where customers encounter a workflow bottleneck, we supply process notes and practical advice, not a generic FAQ. Recently, industrial partners asked for higher-concentration solutions for automated dispensing robotics. We responded by developing custom dissolution protocols and standardizing packaging formats that prevent settling or loss of active material, based on actual user feedback rather than supplier convenience.

    Differentiating Product: How Experience Matters

    From our vantage point, a compound’s chemical specification only tells part of the story. 5-Methyl-2'-Deoxycytidine can be found elsewhere, but manufacturing experience, date-certain traceability, and honest communication determine real value to the bench scientist or clinical developer. Few competitors maintain consistently tight moisture levels or achieve reproducibility over long production runs. Our policy centers on accurate lot dating, closed-container shipment, and customer-accessible archives of each batch’s analytics.

    Working directly with research leaders and biomanufacturers has exposed us to a wide variety of needs. Some projects demand larger-scale packaging; others prioritize high-throughput applications with automated equipment. We adapted by offering pre-weighted amounts in tamper-evident containers, labeled with all relevant data required for regulatory submission or academic transparency. This approach cuts clerical work at the research site, while still delivering the precision needed at truly small scales.

    Challenges Ahead: Quality, Ethics, and Transparency

    Chemical manufacturing rarely stands still, and developments in epigenetic research bring ongoing challenges for nucleoside analogs suppliers. With the continual advance of analytical sensitivity in genomics, the days of “good enough” grade finished a long time ago. We spend resources on routine audits, not as a paperwork formality, but to defend against creeping impurities and fraud that have emerged in global supply chains.

    Ethically, the world expects more than technical compliance. With methylated nucleosides appearing in regulatory filings, patents, and diagnostic platforms, the integrity of supply must stand up under scrutiny. For us, this means offering verifiable analytical data and open dialogue with users rather than hiding quality issues inside a shroud of proprietary claims. Relationships of trust with technical experts at customer sites have reinforced these values.

    Moving Research Forward, Together

    A research project demanding high-integrity 5-Methyl-2'-Deoxycytidine gains little from unresponsive suppliers or those offering only off-the-shelf solutions. We learned through hands-on troubleshooting that small variations in product have outsize impacts in high-sensitivity assays or scaled diagnostic runs. We aim to partner with our end users, offering lot-specific guidance and follow-up data rather than answering only with generic encouragements.

    Our ongoing investments in staff training, facility upgrades, and real feedback loops with principal investigators shape the future versions of our production approach. Each lot of 5-Methyl-2'-Deoxycytidine, each customer feedback cycle, builds a stronger trust base, not just a transactional relationship. Where others may shift focus based on trends, our commitment to steady improvement and technical transparency anchors our reputation in the market.

    Why Researchers and Developers Rely on Us

    In laboratories, reproducibility trumps novelty every time. No team wants to rerun months of work because a supplier skipped quality control steps or diluted transparency for short-term convenience. We offer 5-Methyl-2'-Deoxycytidine with open, continual communication, direct batch analytics, and a history of corrective action where unusual questions arise.

    Where insight meets discipline, products like ours prove their worth by giving researchers the confidence to focus on discovery, not avoidable troubleshooting. Decades in the field have taught that the real differentiator is dependable, honest support anchored in proven manufacturing experience. We continue to earn that trust for every lot shipped and every phone call answered from the lab bench.