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L(+)-Asparagine Monohydrate

    • Product Name L(+)-Asparagine Monohydrate
    • Alias L-Asparagine monohydrate
    • Einecs 205-758-4
    • 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

    177523

    Chemical Name L(+)-Asparagine Monohydrate
    Cas Number 5794-13-8
    Molecular Formula C4H8N2O3·H2O
    Molecular Weight 150.14 g/mol
    Appearance White crystalline powder
    Solubility Soluble in water
    Melting Point 234-235°C (dec.)
    Storage Temperature 2-8°C
    Purity Typically ≥99%
    Synonyms L-Asparagine hydrate; (S)-2-Amino-3-carbamoylpropanoic acid monohydrate
    Ec Number 200-735-9
    Ph Value 5.0-6.5 (10g/L, 25°C in water)

    As an accredited L(+)-Asparagine Monohydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White HDPE bottle containing 100g of L(+)-Asparagine Monohydrate, labeled with product details, hazard symbols, and storage instructions.
    Shipping L(+)-Asparagine Monohydrate is typically shipped in tightly sealed containers to protect it from moisture and contamination. It should be stored and transported at room temperature, avoiding excessive heat or direct sunlight. Standard safety and regulatory guidelines for non-hazardous chemicals apply during packing, labeling, and shipping.
    Storage L(+)-Asparagine Monohydrate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated place, away from direct sunlight and sources of moisture. Keep it at room temperature (15–25°C). Avoid storing with incompatible substances such as strong oxidizers. Always ensure proper labelling, and follow local regulations and safety guidance for chemical storage.
    Application of L(+)-Asparagine Monohydrate

    Applications of L(+)-Asparagine Monohydrate in Industrial Manufacturing

    L(+)-Asparagine Monohydrate serves critical technical functions in tightly controlled production settings across food, pharmaceutical, bioprocess, and laboratory reagent sectors. Our facility supplies this high-purity amino acid to address unique formulation, regulatory, and process requirements for each downstream segment.

    1. Food and Beverage Protein Fortification

    Food manufacturers incorporate L(+)-Asparagine Monohydrate to modulate amino acid profiles and enhance textural stability in protein-enriched beverages, infant formula blends, and bakery goods. In these applications, processors specifically regulate asparagine to balance organoleptic properties, nutritional value, and Maillard reaction profiles. All ingredient handling must comply with national food safety and additive regulations. Ingredient integration focuses on upstream blending under validated mixing protocols, with QC checkpoints to verify amino acid content consistency in finished batches.

    Industry compliance standards

    • GB 2760 (China Food Additive Use Standard)
    • FDA 21 CFR 172 (Food Additives Permitted for Direct Addition to Food)
    • EU EC 1333/2008 (Food Additives Regulation)
    • Infant Formula Codex Standard 72-1981 (JECFA)
    • FSSC 22000, ISO 22000 Food Safety Systems

    Typical usage ratio

    • 0.01%–0.10% w/w in protein beverages
    • 0.05%–0.2% in infant nutritional products
    • Adjust level based on protein base, amino acid analysis, and sensory profile requirements

    Downstream process integration

    • Added to premix tanks during early wet blending
    • Dosed before thermal processing or UHT treatment
    • Verified for homogeneity and traceability through process controls

    Final product types

    • Ready-to-drink protein shakes
    • Infant milk formulas
    • Baked goods with protein enrichment
    • Dietetic and clinical nutrition supplements

    2. Diagnostic and Research Reagents

    Producers of biochemical test kits and diagnostic controls require controlled grades of this amino acid for use as calibration standards, substrate components, and cell culture additives. Stringent documentation and traceability systems are enforced to meet research reagent purity, consistency, and safety requirements. Manufacturers analyze incoming raw material by HPLC and supply certificates of analysis as part of kit assembly under cleanroom conditions.

    Industry compliance standards

    • ISO 13485 (Medical Device Quality Management)
    • ISO 17025 (Testing and Calibration Laboratories)
    • REACH Regulation (EC) No 1907/2006 for laboratory chemicals
    • FDA cGMP (21 CFR Parts 210, 820 for diagnostic devices)

    Typical usage ratio

    • 0.01–1.0 g/L for standard solutions preparation
    • 10–50 mg/L for biochemical assay kits
    • Concentration adjusts by kit type, detection sensitivity, and platform

    Downstream process integration

    • Direct incorporation in buffer or assay formulation zones
    • Sterile filling into vials or ampoules during reagent kit assembly
    • Batch-to-batch QC for lot consistency

    Final product types

    • Diagnostic assay standards
    • In vitro biochemical test kits
    • Cell culture media components
    • Enzyme activity control solutions

    3. Pharmaceutical Intermediate Synthesis

    API and generic drug manufacturers utilize L(+)-Asparagine Monohydrate as a substrate, building block, or resolving agent in targeted pharmaceutical syntheses. Production requires compliance with pharmacopeial standards and GMP certification. Manufacturers validate raw material identity, monitor process yields, and document impurity profiles. The amino acid enters as a reacting intermediate and may undergo chiral resolution, acylation, or enzymatic transformation prior to downstream process steps.

    Industry compliance standards

    • USP monograph for Asparagine
    • Ph. Eur. 10.0 (European Pharmacopoeia)
    • China Pharmacopoeia (ChP) 2020
    • ICH Q7 GMP for Active Pharmaceutical Ingredients

    Typical usage ratio

    • Varies based on process route; typically 0.2–1.5 molar equivalents in the reaction step
    • Adjustment based on target yield and downstream purification efficiency

    Downstream process integration

    • Dosed in reaction vessels as substrate or resolving agent
    • Integrated with automated synthesis or chiral resolution systems
    • Followed by extraction, crystallization, or filtration steps

    Final product types

    • Pharmaceutical intermediates
    • Chiral pharmaceutical actives
    • Specialty amino acid-based APIs
    • Sterile injectable ingredient precursors

    4. Cell Culture Media Production

    Manufacturers of fermentation media, vaccine intermediates, and bioprocess supplies add L(+)-Asparagine Monohydrate to optimize cell growth and protein yield in microbial, yeast, or mammalian cell cultures. Raw material must meet defined purity and contaminant thresholds, verified through in-house testing, and comply with bioprocess industry quality documentation requirements. Addition timing and blend uniformity directly impact cell viability and product titer, requiring close process monitoring and adjustment.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management for Biologicals)
    • USP <1043> Ancillary Materials for Cell, Gene, and Tissue-Engineered Products
    • ICH Q5A (Viral Safety of Biotechnology Products)
    • ISO 18363 for BSE/TSE risk in cell culture supplements

    Typical usage ratio

    • 20–200 mg/L in mammalian cell culture media
    • Up to 0.05% in microbial or yeast fermentation broths
    • Level set according to cell line, metabolic demand, and media formulation

    Downstream process integration

    • Dissolved into basal media solution during compounding
    • May be sterilized by filtration prior to inoculation
    • In-process QC sampling for stability and nutrient content checks

    Final product types

    • Cell culture media powders and concentrates
    • Fermentation process supplements
    • Media for recombinant protein and antibody production
    • Biopharma-grade vaccine intermediates

    5. Cosmetic and Personal Care Ingredients

    Producers in the cosmetics sector use this amino acid to condition advanced formulations for skin and hair care, targeting hydration and barrier-support properties. Compliance requires adherence to authorized ingredient inventories and safety assessment guidelines for finished products. Manufacturers blend L(+)-Asparagine Monohydrate with humectants and bioactive agents, and control pH and thermal exposure to preserve ingredient function through post-production QC.

    Industry compliance standards

    • Cosmetic Ingredient Review (CIR) Safety Assessments
    • EU CosIng Database for Ingredient Inventories
    • China GB 9685 (List of Permitted Cosmetic Additives)
    • ISO 22716 Cosmetics GMP

    Typical usage ratio

    • 0.02–0.15% in skin creams and lotions
    • 0.01–0.05% in hair conditioners and serums
    • Formulation adjusted for desired moisture retention and compatibility with active agents

    Downstream process integration

    • Dissolved into aqueous phase during emulsion manufacturing
    • Stabilized with chelating agents at controlled pH
    • QC assesses homogeneity and shelf-life stability

    Final product types

    • Facial and body moisturizers
    • Anti-aging serums
    • Hydrating hair care conditioners
    • Personal care leave-on and rinse-off products
    Free Quote

    Competitive L(+)-Asparagine Monohydrate prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

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    Certification & Compliance
    More Introduction

    L(+)-Asparagine Monohydrate: Reliable Supply from a Direct Manufacturer

    Introduction

    Every year, our production lines see rising demand for L(+)-Asparagine Monohydrate. In food, pharmaceuticals, and bio-tech, this amino acid has gained steady traction as companies fine-tune formulations for both performance and regulatory compliance. Manufactured batch after batch here, without relying on brokers or outside processors, we keep direct control over every aspect of this product. That constant oversight speaks volumes to partners who rely on consistency—not just in quality, but in predictable lead times and transparent supply.

    Product Identity and Value

    L(+)-Asparagine Monohydrate appears as fine, white, odorless crystals. Skilled chemists walking through our plant often point out the batch’s clarity and separation, a telling sign of proper crystallization during synthesis and controlled drying. We use fermentation routes, which avoid petrochemical residues and satisfy industry requests for plant-based raw materials. The monohydrate form performs better during blending and handling than its anhydrous cousin; moisture trapped within each molecule reduces dust during weighing and mixing. Over the years, many clients voiced their appreciation that our monohydrate version doesn’t cake or clump in humid environments, even after long ocean voyages or warehouse storage.

    It's not just shape and appearance that separate this amino acid from generic blends. Our in-house analytical lab runs HPLC purity testing rather than relying solely on the official minimum standards. Buyers have noticed that the actual purity in our lots often exceeds the listed specification, so they can scale up without worrying about impurities that could throw off sensitive downstream processes. We constantly monitor heavy metal content and microbial counts—an expectation in pharma and infant formula, but it also brings peace of mind in animal nutrition and cell culture supply.

    Specifications That Matter

    Detailed specifications have grown from the simple percentage purity norms. Clients who source food additives want visible traceability for allergens, cross-contamination risks, and detailed batch histories. Our L(+)-Asparagine Monohydrate contains negligible endotoxin and residual solvent, which satisfies even the fussiest QA auditors. For pharmaceutical manufacturing, every shipment is supported with a full certificate of analysis and, where needed, documentation for regulatory filings. We maintain tight particle size distribution, which impacts how powders flow and suspend; uneven granules slow operations and prompt cleanups, so we screen and mill to a tight range before packaging. Smart inventory management means that when a customer scales up, they draw from the same master batch, not a mix of leftovers from different lots.

    Water content stays within a narrow window for both chemical stability and repeatable dosing. Some buyers, used to the wild swings in moisture from third-party traders, find that the product from a single-source factory remains impressively stable from bag to bag. The resulting monohydrate doesn’t hydrate further nor lose its moisture too quickly during extended storage. That may sound trivial, but for years, our plant teams heard from customers whose old suppliers sent asparagine that rapidly formed clumps or shifted concentration when opened. Our approach—sealing in clean-room environments, and real-time batch moisture analysis—resolves these problems at the source.

    Application and Industry Experience

    Technicians on the factory floor see every stage of L(+)-Asparagine Monohydrate’s journey, from fermentation tank to packaged powder. This hands-on experience shapes how we understand its uses out in the real world. Food manufacturers use it to help yeast thrive in bread doughs and boost the Maillard reaction for roasted notes. Since the early 2010s, we’ve supplied bakery, coffee, and savory snack brands needing granular control over browning and texture. Demand has especially ballooned in the plant-based alternative space, as developers realize asparagine’s influence over final flavor and protein structure.

    The pharma world approaches asparagine with a different lens. Chemists here often field inquiries about peptide synthesis, cell culture supplementation, and specialty infusion solutions for medical nutrition. The monohydrate form’s low endotoxin satisfies injectable drug makers. Meanwhile, animal feed specialists request asparagine for high-performance diets in aquaculture and pet food, a niche market with surprising regulatory scrutiny. Medical-grade buyers express the most exacting needs, so ongoing validation and real-time reporting play a daily role in our plant’s routines.

    Differences From Other Products—From Firsthand Experience

    Customers occasionally ask, “Why not choose asparagine from a bulk trader at a lower price?” Experience has taught us that quality isn’t interchangeable. Lower-cost blends sourced through layers of distributors arrive with less clear documentation. Our direct supply, on the other hand, includes full transparency on method, source, and trace impurities. Buyers frequently report that off-spec batches from traders led to entire days of lost production, costly recalls, or test failures—situations we help prevent with manufacturer-to-customer traceability.

    The monohydrate form brings unique handling benefits over anhydrous or impure versions. Bulk powder made outside strict humidity environments tends to clump, feed poorly in auto-dosing machines, and introduce dosing errors. We learned early on to avoid these pitfalls by building strict clean-room rules and constant batch checks for hydration state. In the early days, one major customer faced downtime after receiving clumped product from a competing trader; recalls, bin cleaning, and angry plant managers followed. Since switching to our asparagine monohydrate, their dosing process stays smooth, and weekend maintenance budgets dropped.

    Another critical difference: our plant handles fermentation, extraction, purification, and drying within a closed circuit. Process engineers on-site control pH, feedstock, and every physical handoff. This approach stands apart from generic warehouse blenders, who combine off-the-shelf amino acids from various origins. Full process visibility means a single quality team can head off problems before product leaves the gate, instead of chasing paperwork after the fact. In industries governed by audits, recalls, and rising scrutiny—be it feed mills or injection solution suppliers—this level of traceability helps buyers sleep at night.

    Building on Scientific Evidence

    As the original manufacturer, we follow the science closely. Early university studies laid the groundwork for fermentative production of asparagine, shifting the landscape away from low-yield, solvent-heavy routes. Now, analysis published in the Journal of Agricultural and Food Chemistry identifies L(+)-Asparagine as essential for flavor and color in baked products. Meanwhile, medical researchers cite its key role as a non-essential amino acid with conditional value in critical care nutrition, especially during rapid cell turnover or wound healing. Our technical teams read new literature monthly to adjust production targets and impurity profiles in response to new market data.

    Strict regulatory changes, such as Annex VIII of the European Feed Additives Legislation, prompted us to align batch trace elements and dioxin testing to exceed minimum benchmarks. That didn’t just meet paperwork; it shifted our entire weigh-in, documentation, and validation process upstream, building quality into the earliest steps. Industry partners appreciate a vendor who doesn’t just react, but engineers compliance into the formula from the outset. Bringing evidence-based improvements onto our factory floor means ongoing investment in technology and skill-building.

    Supply Chain Experience and Customer Relationships

    Raw material prices swing with each harvest season; trace chemicals drift in and out of availability during global supply hiccups. Yet, our vertical integration protects our buyers. Suppliers who know our process and equipment reserve their best quality lots for us, knowing they won’t have to deal with third-party negotiation hassles. No costly surprises, no mystery sub-components. We work directly with logistics partners, shipping managers, and on-site buyers. From years of collaborating with Asia-Pacific and European multinationals, we’ve learned that smooth customs processing and electronic records make regulatory reviews much less painful than lost or hard-to-translate documents.

    Feedback loops grow short when customer service works next to the production plant. Technical teams routinely answer queries within hours—sometimes walking over to storage or QA to pull up a specific batch number or upload an extra test result. Being present right at the point of manufacture means issues are resolved before they snowball into complaints or lost bags. Our maintenance teams run predictive analytics to keep batch lines running, so no plant sits idle waiting on a shipment stuck in inspection or lost in a customs warehouse. If a bag arrives damaged, we replace, not argue, because our invoices and packaging bear only our original factory labels.

    Regulatory and Industry Developments

    Global markets transform with updates in food safety laws, labeling practices, and environmental requirements. End-users of L(+)-Asparagine Monohydrate face evolving lists of chemical reporting obligations, allergens, GMO statements, and sustainability audits. Our documentation packages already cover these demands, built upon both GMP and regional food safety certifications. Community trust has grown as customers rely on us to keep pace with new allergen guidelines and labeling updates, not just reacting once something goes wrong. Global authorities demand prompt batch recalls and rigid documentation on demand. We store electronic records for every kilogram shipped so nothing is left to question.

    Environmental concerns have moved center stage for food processors and pharma labs alike. Our choice to avoid old-fashioned solvent extractions arose from persistent customer questioning during green product audits. Fermentative synthesis, paired with closed-loop water recycling and energy usage audits, reduces the product’s carbon footprint. This opens real doors with customers aiming for “clean label” or “eco” certifications. Five years ago, that barely registered a footnote in discussions. Now it forms a core component of RFQ (request for quote) language from procurement teams. We’ve invested in lab analytics that match the rigor of modern eco-label audits to support clients needing to prove emissions and waste data, not just list them on a spec sheet.

    Continuous Improvement and Future Needs

    Feedback shapes our next production runs. Technicians on the ground report bottlenecks, like occasional dusting or high fines during shipping. Adjustments to air filtration and granulation methods keep batch quality high. Customers share wisdom drawn from their own lines: stories about hopper clogging, flavor overrun, or shelf opacity that drives us to run extra tests or tweak process controls. Each new shipment reflects what worked and what needs extra attention. This dynamic interaction turned our asparagine monohydrate from a commodity item into a product that plants and QA teams request by name, trusting both the stated specs and the real-world reliability.

    Certifications expand as the market shifts. With each FSSC 22000 or ISO re-audit, we incorporate new traceability apps, digital sign-offs, and faster batch ID lookups. Biotech and medical nutrition sectors push us toward even stricter impurity profiles and reporting requirements; food applications challenge us with transparency and green labeling. Plant diet developers and alternative protein specialists regularly submit requests for customized solutions. This two-way street keeps both our teams and customer R&D groups moving in sync, adapting with new science and operational changes.

    Conclusion: Why Direct Manufacturing Makes a Difference

    As the original makers of L(+)-Asparagine Monohydrate, we see every batch’s journey from fermentation to final packaging. We remember the batches that had to be remade, the weekends spent recalibrating dryers, the many hours spent perfecting powder flow and crystallization scenarios. Every improvement and every disappointment stays documented in our plant records and process manuals. Our strongest relationships grew from solving customer problems—delays, out-of-spec results, or contamination scares—by being present at every stage and learning from each experience. Customers come back for reliability, not just the lowest price. This is the quiet advantage of sourcing from a direct manufacturer. Each lot of L(+)-Asparagine Monohydrate that rolls out of our facility is a result of years of technical know-how, ongoing learning, and the sort of accountability that builds trust across industries. We stake our reputation—batch after batch—on giving customers what they expect, with nothing hidden or left to chance.