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H-D-Arg(No2)-OMe HCl

    • Product Name H-D-Arg(No2)-OMe HCl
    • Alias H-2,4-diaminobutyric acid(Nω-nitro)-OMe·HCl
    • Einecs 259-715-3
    • 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

    622504

    Product Name H-D-Arg(No2)-OMe HCl
    Molecular Formula C7H16N5O4Cl
    Molecular Weight 285.69 g/mol
    Appearance White to off-white powder
    Cas Number 146612-51-5
    Purity ≥98%
    Storage Temperature 2-8°C
    Solubility Water, Methanol
    Synonyms Nitroarginine methyl ester hydrochloride
    Form Hydrochloride salt
    Peptide Sequence H-D-Arg(NO2)-OMe
    Protecting Group NO2 on guanidino group
    Application Peptide synthesis
    Stability Stable under recommended storage conditions

    As an accredited H-D-Arg(No2)-OMe HCl factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, opaque plastic vial containing 100 mg of H-D-Arg(NO₂)-OMe HCl, tightly sealed, tamper-evident cap, desiccant included.
    Shipping H-D-Arg(No2)-OMe HCl is shipped in secure, chemical-resistant packaging to prevent contamination and moisture ingress. The container is clearly labeled with hazard and handling information. It is transported in compliance with local and international regulations for hazardous materials, ensuring safe delivery to laboratories or research facilities.
    Storage H-D-Arg(NO₂)-OMe HCl should be stored in a tightly sealed container, protected from light, moisture, and air. Store at 2–8°C (refrigerator) in a dry, well-ventilated area, away from incompatible substances like strong oxidizers and bases. Ensure proper labelling and avoid repeated freeze-thaw cycles to maintain stability. Handle under a chemical fume hood using appropriate personal protective equipment.
    Application of H-D-Arg(No2)-OMe HCl

    Applications of H-D-Arg(No2)-OMe HCl in Industrial Manufacturing

    H-D-Arg(No2)-OMe HCl serves as a specialized raw material in several advanced industrial and life science sectors. As the original manufacturer, we reference validated downstream fields and provide application-specific technical guidance on compliance, process integration, and finished goods.

    1. Peptide Synthesis for Pharmaceutical Actives

    Manufacturers in the peptide therapeutics sector frequently use this nitro-arginine derivative as a functional protected arginine building block during solid-phase and solution-phase peptide assembly. Its unique side-chain protection supports precise chain elongation and minimizes undesired side reactions, meeting stringent API and cGMP synthesis requirements. Users adjust loading based on sequence demands and resin choice. Post-coupling processes include specific deprotection protocols to produce target oligopeptides, including those for cardiovascular or oncologic indications.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP General Chapters <800> and <1078> for peptide quality and impurities
    • European Pharmacopoeia (current edition) for peptide synthesis reagents
    • 21 CFR Part 210/211 for finished pharmaceutical components

    Typical usage ratio

    • Monomer input constitutes 0.5–1.5 eq per coupling cycle in resin-bound synthesis; final ratio depends on peptide sequence length and target loading (0.2–0.7 mmol/g commonly)

    Downstream process integration

    • Included during main chain assembly after resin activation stage
    • Introduced before chain elongation; subsequent removal of protecting groups with TFA or similar systems
    • Quality control at sequence confirmation and side product removal stage

    Final product types

    • API peptide drugs (e.g., peptide hormones, enzyme inhibitors)
    • Peptide intermediates for later conjugation or modification
    • Precursor peptides for custom research reagents
    • Diagnostic/therapeutic peptide kits

    2. Research-Grade Custom Peptide Manufacturing

    R&D and specialty labs employ the raw material as an essential building block during custom peptide preparation for biochemistry, immunology, and proteomics studies. The nitro protection safeguards the guanidine group during sequential assembly, maintaining the chemical integrity required for precise sequence synthesis. Researchers determine the input amount according to resin swelling capacity and sequence complexity. Post-synthesis, specific cleavage chemistries remove the protection without degrading labile target motifs.

    Industry compliance standards

    • ISO 9001:2015 and ISO 13485:2016 for laboratory reagent production
    • GLP (Good Laboratory Practice) for research-use-only material
    • Analytical documentation: HPLC, MS purity reports per lab standards

    Typical usage ratio

    • 0.9–1.2 molar equivalents per coupling step, modified for peptide length or resin type

    Downstream process integration

    • Added at protected residue coupling during solid-phase or solution-phase synthesis
    • Participates in Fmoc/t-Boc or mixed protection schemes per synthesis protocol
    • Chemical deprotection incorporated after main assembly before final peptide isolation

    Final product types

    • Synthesized antigenic peptides for antibody production
    • Enzyme substrate libraries
    • Peptide standards for LC/MS or HPLC calibration
    • Functionalized peptides for protein interaction screening

    3. Protected Intermediate Supply for Biotech CMO/CDMO

    Contract manufacturing organizations (CMOs and CDMOs) utilize H-D-Arg(No2)-OMe HCl for large-scale production of protected peptide intermediates. This process takes advantage of its stability under automated synthesis conditions and allows for batch management under validated GMP. The material is presented as a dedicated input for multi-step synthesis protocols where intermediate capture and storage are required prior to final product finishing and regulatory batch release.

    Industry compliance standards

    • FDA cGMP requirements for bulk pharmaceutical ingredients
    • ICH Q11 for development and manufacture of drug substances
    • EU EudraLex Volume 4 (Part II)
    • ICH Q3A/B for residual impurities and intermediate purity

    Typical usage ratio

    • Utilization ranges from 0.5–2.0 eq, determined by batch scale and stepwise synthesis protocol

    Downstream process integration

    • Batched into protected residue sequence assembly stage on automated synthesizers
    • Stored as semi-finished protected intermediates after each elongation cycle
    • Integrated into process controls for interim quality verification and traceability

    Final product types

    • Protected peptide blocks for onward production
    • GMP-grade peptide intermediate stocks
    • Clinical trial material intermediates
    • Specialty protected amino acid sets for pharma clients

    4. Peptide-Based Diagnostic Kit Component Manufacturing

    Producers of diagnostic kits deploy this derivative as a protected arginine in the synthesis of peptide antigens and markers that require high stability and site-specific protection throughout manufacturing and shipping. This role demands strict adherence to manufacturing controls, purity standards, and batch traceability for regulated diagnostic products. The dosage aligns with proprietary synthetic route specifications and target sequence characteristics. After synthesis, precise deprotection and purification ensure bioactive kit performance.

    Industry compliance standards

    • ISO 13485:2016 for medical device and in vitro diagnostic component manufacturing
    • European Union Regulation (EU) 2017/746 (IVDR) for diagnostics
    • US FDA 21 CFR 820 QSR for device manufacturing
    • Global harmonized system for labeling and traceability

    Typical usage ratio

    • Typical input concentration: 0.6–1.1 equivalents per protected residue position, controlled by diagnostic peptide length and complexity

    Downstream process integration

    • Inserted during protected amino acid chain assembly for antigen marker peptides
    • Deprotected selectively prior to conjugation with carrier proteins or substrate labeling
    • Integrated with downstream QC for impurity and activity testing

    Final product types

    • Peptide-based lateral flow assay markers
    • ELISA test antigens
    • Synthetic peptide calibrators for diagnostic systems
    • Recombinant protein standards with synthetic peptide tags

    5. Fine Chemical Intermediate for Bioanalytical Reagents

    Bioanalytical reagent manufacturers employ H-D-Arg(No2)-OMe HCl to introduce nitro-arginine motifs in specialty labeling and detection reagents. Chemical robustness and precise guanidine modification support high-sensitivity mass spectrometry and protein quantification protocols. The dosage control follows specific labeling efficiency requirements, ensuring reproducibility across analytical batches. Downstream, the compound enters amidation or esterification stages, then undergoes high-purity isolation.

    Industry compliance standards

    • ISO 17034:2016 for reference material producers
    • OECD Guidelines for Testing of Chemicals (applicable sections)
    • Internal QC validation protocols (HPLC, LC-MS, NMR)

    Typical usage ratio

    • Ranges from 0.05 mmol to 1 mmol per batch, calibrated to target reagent lot size and sensitivity goal

    Downstream process integration

    • Used as a side-chain protected building block in bioanalytical label conjugation
    • Cooked into amidation or esterification workups for detection molecule construction
    • Processed under high-purity recovery and characterization workflow

    Final product types

    • Synthetic peptide labeling reagents
    • Protein quantification kits with modified arginine residues
    • Specialty MS standards for proteomic workflows
    • Custom detection probes for pharmaceutical analysis
    Free Quote

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    Certification & Compliance
    More Introduction

    Introducing H-D-Arg(No2)-OMe HCl: Direct from Our Production Lines

    Product Overview

    Right here at our chemical manufacturing facility, we produce H-D-Arg(No2)-OMe HCl from the ground up, using only high-quality raw materials and rigorous production controls. Decades of practical lab experience have shaped every step of our process, from the initial selection of reagents through the purification and packaging stages. Chemists in peptide synthesis, biochemical research, and pharmaceutical development rely on materials that meet tough standards—not just in purity, but in reproducibility. H-D-Arg(No2)-OMe HCl stands out as a specialized building block in complex peptide design, offering a stable nitrosated arginine derivative with a methyl ester that supports synthetic flexibility. Here in our manufacturing setting, batch-to-batch consistency underpins our commitment to chemical quality above all else.

    Understanding the Model and Specifications

    Our in-house process for H-D-Arg(No2)-OMe HCl follows established protocols based on peer-reviewed methodologies and our own refinements. We use protected arginine starting materials, introducing the nitro group at the guanidine moiety before esterification and hydrochloride salt formation. Each batch undergoes strong QC, including HPLC analysis, melting point confirmation, elemental analysis, and thin-layer chromatography mapping. Purity for our typical production lots exceeds 98%, confirmed by HPLC, exceeding most common requirements for peptide-coupling applications or analytical work. Every step, from reagent handling to product isolation, comes with decades of hands-on expertise—so our customers obtain product that works the first time, every time.

    Storage and stability often challenge researchers working with arginine derivatives. We supply H-D-Arg(No2)-OMe HCl as a stable crystalline powder, sealed in moisture-resistant containers and shipped with full documentation. Under recommended storage, our product holds its purity and reactivity across the typical timeline of laboratory-scale or pilot-scale use. We track and document conditions in our manufacturing and storage facilities, so no unexpected degradation or impurity formation occurs before end users even open a bottle. Only companies that run their own manufacturing can guarantee this kind of oversight from start to finish.

    Uses in Synthesis and Research

    Scientists working at the frontiers of peptide chemistry value reagents that let them tackle difficult syntheses. H-D-Arg(No2)-OMe HCl allows for selective introduction of arginine side chains into peptides lacking the reactivity of native guanidine, opening wider strategies for protecting group manipulation and backbone assembly. Many of the most challenging and biologically active peptide drugs require fine-tuned handling of guanidine chemistry, and our nitrosated arginine derivative helps unlock sequences not possible with conventional arginine sources.

    This product also plays a role in controlled studies of nitric oxide signaling, enzyme substrate specificity, and posttranslational modification modeling. By using a nitro-protected guanidine, the researcher can build peptide or protein fragments with selective deprotection profiles or introduce site-specific modifications with downstream functionalization. For any project where the side-chain chemistry of arginine plays a role, our material offers both reactivity and selectivity. We support academic, biopharma, and industrial clients who want scale and technical clarity direct from the source.

    Why Direct Manufacturing Matters

    In the chemical supply chain, quality gaps often creep in as materials pass from one supplier to the next. By owning our own manufacturing and refusing to outsource core synthesis, we run full analytical checks on the final product and its intermediates. Technical support comes right from the scientists who made the material, not a third-party distributor. We learn from client feedback and QC outcomes, constantly improving crystal morphology, particle size, and packaging based on real-world experience. When an analytical lab calls us with a technical question, there’s no guessing—solutions come from firsthand process knowledge and direct instrument data.

    Clients who set up automated synthesis protocols find that our version of H-D-Arg(No2)-OMe HCl processes cleanly, avoiding the technical headaches caused by off-spec, contaminated, or variable materials. Our customers have reported reduced column clogging in solid-phase synthesis and improved yield in peptide bond-formation steps, based on real case studies. When we receive questions about troublesome purification or side-product formation, we can diagnose root causes and suggest modifications—sometimes even tuning future lots in consultation with R&D partners. This level of customization and responsiveness is not available through resellers, repackers, or generic traders.

    What Sets H-D-Arg(No2)-OMe HCl Apart?

    Arginine derivatives come in many forms, but not all respond equally well to modern synthetic protocols. Our crystallization and purification procedures limit batch impurity below the threshold that triggers difficult side reactions during peptide assembly. The hydrochloride salt form we manufacture lends improved handling convenience and solubility for aqueous and organic settings alike. By controlling the esterification and salt stages in-house, we prevent hydrolysis, unwanted isomerization, or contamination from process solvents that sometimes persist in less careful production lines.

    Some suppliers prioritize cost over quality, balancing high throughput against the possibility of higher impurity levels or skipped QC steps. We’ve seen plenty of frustrated scientists lose time and money chasing unexplained impurities or hard-to-reproduce results from catalog vendors who cannot trace issues back to root process data. With us, transparent documentation tracks every step, and real process metrics back up purity claims—not just a data sheet downloaded off a website. Our clients deserve H-D-Arg(No2)-OMe HCl produced by professionals who stand behind every bottle.

    Our Experience and Its Impact

    Years of working directly with synthetic peptide labs and pharmaceutical teams shaped the way we build and test H-D-Arg(No2)-OMe HCl. Common problems like incomplete deprotection, bottlenecked resin cleavage, or solubility headaches affected our own in-house projects before we offered this product to outside users. Learning from failed runs means we recognize the bottlenecks, proactively screening raw reagents, employing stringent moisture controls, and choosing containers based on chemical stability, not just packaging cost. We have seen firsthand how even small levels of byproducts in nitrosated arginine derivatives can stop a scale-up in its tracks—so we maintain those controls with care.

    Multiple customers reported that our material’s lot-to-lot consistency cut down troubleshooting and labor costs in solid-phase and solution-phase synthesis. Some shifted from older suppliers after discovering mismatched integration peaks or batch-varying reactivity in competitor materials. By working file-by-file with actual analytical data, we learned which protocol adjustments yield the highest product purity and best coupling efficiency. The way we manufacture H-D-Arg(No2)-OMe HCl today reflects not only chemical theory but also years of hands-on learning in chemical production and customer support.

    Responding to Industry Trends

    Over the years, peptide synthesis has grown more automated and scale-sensitive. After collaborating with biotech companies and academic labs, our manufacturing team adapted drying and filtration methods for tighter control. Where some global suppliers cut corners or batch-mix product, we avoid cross-contamination and batch heterogeneity by using segregated lines and single-lot packaging. Because we hear from researchers working on therapeutics, diagnostics, and high-purity standards, we pay close attention to how our material performs in coupling protocols, extended-chain syntheses, and analytical workflows. It isn’t factory theory—it’s real-world synthesis experience, feeding back into every production run.

    Caring about regulatory benchmarks isn’t optional when manufacturing reagents that end up in clinical or regulated environments. We provide Certificate of Analysis, track impurities by LC-MS, and offer full traceability for every lot. Scientists and QA professionals have confidence in ordering, knowing they aren’t risking unforeseen contamination or regulatory failures downstream. Our approach comes from years of audit-ready production history, shaped by direct interaction with customers who know what happens when a critical building block lets them down. Only trusted, disciplined production meets the practical needs of advanced peptide and biochemical research.

    Addressing Technical Challenges in Synthesis

    Getting the full value out of H-D-Arg(No2)-OMe HCl means paying attention to the practical hurdles chemists actually face. Early versions of protected arginine building blocks often created more problems than they solved—with unreliable deprotection, poor coupling, or hidden impurities. Our technical staff learned each pitfall from real projects that succeeded and those that failed. Purification bottlenecks, solubility mismatches, and sensitivity to trace water or acid have shaped every control parameter in our process.

    We saw that some customers attempted unexpected reaction conditions or solvent systems, so we built a flexible approach to QC documentation and technical support. Our regular customers became R&D partners, guiding modifications to product drying, particle size, or salt form to suit evolving research and clinical demands. Direct feedback from major peptide manufacturers and academic innovators has led us to adjust our documentation, technical datasheets, and packaging so that each research group gets what works best for their protocols.

    Technical Support Built on Experience

    Technical questions rarely stop at the level of “what’s your Certificate of Analysis?” Our support team understands the synthesis and purification issues common to nitrosated arginine derivatives, so we go further. If a problem comes up during a coupling reaction or on analytical HPLC, we pull up our own lot data and work through troubleshooting with the client. This level of technical partnership only happens because we make H-D-Arg(No2)-OMe HCl in-house. We’ve helped resolve precipitation issues, coupling failures, and unexplained peaks by sharing internal analytics, synthesis tips, or even custom lot modifications.

    Not every client needs in-depth troubleshooting, but those who face the hardest synthetic challenges report that even a well-written troubleshooting note can save a week’s worth of labor. Because our staff have run these reactions themselves, clients receive confident, experience-based answers instead of rote policy or generic advice. This approach builds long-term confidence and partnerships, benefiting both sides.

    Environmental and Safety Priorities

    Manufacturing nitrosated amino acid derivatives comes with real environmental, workplace, and consumer safety concerns. We don’t outsource those responsibilities—our chemists and production crew monitor every step for safe reagent handling, waste minimization, and sustainable solvent management. Nitration and esterification both create risks in less experienced hands. We follow strict ventilation, containment, and disposal protocols, surpassing the minimum regulatory requirements and adopting best practices learned through years of direct hazard analysis. This safety attitude protects our people, our clients, and the communities around our plant.

    Because we control the entire workflow, customers receive product that matches strict hazard labeling and documentation. We avoid the supply-chain chaos of inconsistent hazard statements or non-compliant packaging that plague third-party resellers. This focus means clients can proceed with experimental, pilot, or regulated projects knowing their supplier understands the regulations, analytical science, and practical chemistry—not just business terms.

    Reliable Supply and Scalability

    The ability to source H-D-Arg(No2)-OMe HCl reliably has become more critical as the field of synthetic biology and peptide therapeutics expands. Researchers working on short timelines or planning scale-up projects can request larger quantities, secure in the knowledge that our plant adapts production volumes without quality loss. Custom packing and labeling projects let us meet the specific needs of medium or large research programs or contract laboratories requiring consistent batch performance.

    Through direct control over procurement, synthesis, and packaging, we avoid the disruptions that plague brokers and non-manufacturers. Predictable lead times and lot reservation systems provide clients with a stable source of material—and support innovation in fast-moving research environments. Our customers have come to rely on our supply chain as much as our technical know-how, and they have rewarded us with long-term loyalty.

    Facing Future Trends in Chemical Manufacturing

    As the industry shifts toward higher purity standards, better documentation, and green chemistry, our manufacturing lines evolve to meet these expectations. We invest in greener chemistry and safer process design, reflecting both a sense of responsibility and practical necessity. New syntheses often demand improved selectivity and reduced waste, so we implement solvent recovery and waste minimization based on direct audit outcomes and process metrics.

    Transparency and traceability carry as much weight as technical success. Our records keep track of batch genealogy, packaging integrity, and all analytical testing, so researchers aren’t left hoping their supplier can explain process anomalies or impurity findings. We listen to changing scientific needs, review audits, and maintain relationships with clients who expect a manufacturing partner willing to share both knowledge and results.

    Final Thoughts: The Manufacturer’s Perspective

    We don’t approach H-D-Arg(No2)-OMe HCl as an interchangeable commodity or orange-capped bottle in a warehouse. Each batch reflects years of hearing from frustrated scientists about what works, what doesn’t, and why careful handling of arginine chemistry makes a difference in complex peptide projects. Reliable quality, technical support based on real production, and open lines of communication guide everything we do. By collaborating directly with end-users, we learn not just how to synthesize H-D-Arg(No2)-OMe HCl, but how to help customers succeed on the first try. That’s the promise we offer as a manufacturer, and it’s what our clients trust to support the next generation of peptide and biochemical innovation.