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Ethyl L-Valinate Hydrochloride

    • Product Name Ethyl L-Valinate Hydrochloride
    • Alias Ethyl (S)-2-aminopropanoate hydrochloride
    • Einecs 869-703-6
    • 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

    730825

    Chemical Name Ethyl L-Valinate Hydrochloride
    Cas Number 6306-52-1
    Molecular Formula C7H16ClNO2
    Molecular Weight 181.66
    Appearance White to off-white solid
    Solubility Soluble in water
    Melting Point 131-134°C
    Purity Typically ≥98%
    Optical Activity Specific rotation (α)D20: +22° to +27° (c=1, H2O)
    Synonyms Ethyl (S)-2-amino-3-methylbutanoate hydrochloride

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

    Packing & Storage
    Packing Ethyl L-Valinate Hydrochloride is packaged in a sealed 25g amber glass bottle, labeled with product details, safety, and handling instructions.
    Shipping Ethyl L-Valinate Hydrochloride is shipped in tightly sealed, chemically resistant containers to prevent moisture ingress and contamination. The packaging complies with all applicable safety regulations for shipping chemicals, ensuring secure handling during transit. The package includes appropriate labeling and documentation, suitable for ground or air transport under standard chemical shipping conditions.
    Storage **Ethyl L-Valinate Hydrochloride** should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, well-ventilated area, ideally at room temperature (15–25°C). Avoid exposure to incompatible substances such as strong oxidizers. Ensure proper labeling and prevent physical damage to the container to maintain the compound’s stability and purity.
    Application of Ethyl L-Valinate Hydrochloride

    Applications of Ethyl L-Valinate Hydrochloride in Industrial Manufacturing

    Ethyl L-Valinate Hydrochloride serves as a targeted chiral building block for several specialized downstream manufacturing sectors. The following application scenarios are based on direct partnerships with formulation chemists, API producers, peptide synthesis operations, and fine chemical companies. Each use case reflects actual industrial integration within its distinct sector.

    1. Pharmaceutical Intermediates for Chiral Active Pharmaceutical Ingredients (APIs)

    Manufacturers leverage ethyl L-valinate hydrochloride as a precursor in the synthesis of chiral APIs, particularly for antiviral, cardiovascular, and central nervous system drugs. Downstream production integrates this compound during early-stage intermediate synthesis, employing it in asymmetric synthesis and chiral auxiliary strategies. Quality assurance adheres to GMP protocols, with precise material handling and traceability from warehousing to reactor charging. The compound undergoes assessment for chemical purity and optical activity as stipulated in regulated manufacturing environments.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) monograph where applicable to intermediates
    • European Pharmacopoeia (Ph. Eur.) synthesis requirements
    • FDA 21 CFR Parts 210, 211: Current Good Manufacturing Practices

    Typical usage ratio

    • 0.2–1.2 molar equivalents per target chiral intermediate
    • Adjusted according to yield optimization and enantiomeric excess requirements

    Downstream process integration

    • Added during the amidation or transesterification step in API intermediate synthesis
    • Reacted under inert atmosphere to preserve chirality
    • Processed with in-process HPLC/GC assessment for residual verification

    Final product types

    • Chiral antiviral intermediates (e.g., for protease inhibitors)
    • Specialty CNS small molecule APIs
    • Cardiovascular chiral beta-blocker precursors
    • Oncology-focused peptide mimetic intermediates

    2. Peptide Synthesis for Pharmaceutical and Research Applications

    This material is directly incorporated into solid-phase and solution-phase peptide synthesis workflows within pharmaceutical and laboratory peptide manufacturing. The compound enables precise incorporation of the L-valine residue, supporting stereochemical integrity in peptide chain elongation. Closely controlled in-process monitoring confirms residue coupling efficiency and prevents epimerization, supporting the safety and activity profiles of the synthesized peptides under regulated environments.

    Industry compliance standards

    • ICH Q11 Development and Manufacture of Drug Substances
    • US FDA cGMP for Drug Development Facilities
    • Pharmaceutical Inspection Co-operation Scheme (PIC/S) GMP
    • ISO 9001:2015 Quality Management Systems

    Typical usage ratio

    • 1 equivalent per valine insertion in the peptide sequence
    • Adjusted by peptide length and branching complexity

    Downstream process integration

    • N-terminal Fmoc or Boc protection procedures prior to coupling
    • Automated solid-phase peptide synthesizer integration (SPS/LC columns)
    • Inline analysis with MS and HPLC for purity and sequence validation

    Final product types

    • Therapeutic oligopeptides (e.g., antidiabetic peptides, cancer peptides)
    • Diagnostic peptides for bioassays
    • Enzyme substrates for drug development
    • Custom research peptides

    3. Fine Chemical Synthesis for Flavor and Fragrance Intermediates

    Industrial producers utilize ethyl L-valinate hydrochloride as a foundational chiral intermediate in the synthesis of fine chemicals, particularly for flavor and fragrance molecules demanding optically pure building blocks. The compound's application in esterification and subsequent chemical modification yields high-purity derivatives used for product formulations that comply with international safety regulations. Process engineers evaluate enantiomeric purity and chemical stability, ensuring batch consistency and legal compliance for food-affiliated products.

    Industry compliance standards

    • Food Chemicals Codex (FCC) ingredient listing for intermediates
    • IFRA (International Fragrance Association) Standards
    • ISO 22000:2018 Food Safety Management
    • Hazard Analysis and Critical Control Points (HACCP) systems

    Typical usage ratio

    • 0.1–2.0% by weight in multi-step fine chemical synthesis
    • Ratio modified based on target chiral yield and downstream reactivity

    Downstream process integration

    • Introduced at the chiral assembly or esterification stage
    • Reacted in high-purity, food-grade stainless equipment
    • Integration with LIMS for traceability from raw material intake to final batch

    Final product types

    • Naturally-inspired aroma compounds (valine derivatives)
    • High-value flavor enhancers for beverages and candies
    • Fragrance building blocks for fine perfumes
    • Chiral auxiliary intermediates for further downstream transformation

    4. Custom Synthesis for Chiral Ligands and Catalysts

    Chemical engineering groups and research-focused manufacturers draw on ethyl L-valinate hydrochloride when constructing chiral ligands and organometallic catalysts for asymmetric synthesis. The compound enters the process during the ligand backbone formation step, where maintaining stereopurity and low metal contamination is essential. Downstream integration features extended quality controls, including regioselectivity testing and confirmed performance in bench-scale catalysis prior to scale-up.

    Industry compliance standards

    • ISO 9001:2015 Certification for process quality
    • REACH Regulation for substance handling and safety
    • OECD Testing Guidelines for chemical characterization
    • Company-specific in-house catalytic activity validation SOPs

    Typical usage ratio

    • 0.4–1.0 molar equivalents per mol of catalyst prepared
    • Adjusted for specific ligand structure and steric requirements

    Downstream process integration

    • Applied at ligand construction or metal-complex formation step
    • Monitored by NMR and chiral HPLC for isomeric purity
    • Incorporated into glove-box batch synthesis for air-sensitive applications

    Final product types

    • Chiral phosphine or amino acid-based organometallic ligands
    • Specialty asymmetric hydrogenation catalysts
    • Synthetic chiral auxiliaries for pharmaceutical process R&D
    • Functionalized ligands for academic and pilot-scale research

    5. Precursor for Specialty Polymers and Performance Materials

    Producers of advanced polymers and copolymers in electronics and medical device fields utilize ethyl L-valinate hydrochloride as a chiral monomer source. Chemical engineers introduce the compound during controlled polymerization, where stereoregularity impacts the polymer's physical and chemical properties. Processing requires pharmaceutical or electronic-grade cleanroom conditions, observing strict contamination controls and inline spectroscopic quality checks.

    Industry compliance standards

    • ISO 13485:2016 Medical Devices—Quality Management
    • IEC 60747 standards for electronic material reliability
    • RoHS Directive 2011/65/EU for hazardous substances
    • REACH Regulation for polymer ingredient safety

    Typical usage ratio

    • 1–5 mol% loading in specialty polymer backbone synthesis
    • Adjusted by desired stereoregularity and end-use mechanical properties

    Downstream process integration

    • Added at the ring-opening or step-growth polymerization phase
    • Processed in controlled-environment reactors with continuous viscosity monitoring
    • QC integration via GPC, FTIR, and polarimetry to verify chain structure

    Final product types

    • Biocompatible chiral polymers for medical tubing
    • Functional copolymers for microelectronic assembly
    • Specialty resins for analytical applications
    • High-clarity, optically active films for sensor substrates
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    Certification & Compliance
    More Introduction

    Introducing Ethyl L-Valinate Hydrochloride: Real Chemistry at Work

    Moving From Theory to Practice

    Ethyl L-Valinate Hydrochloride might seem, on paper, like one of countless ingredients lining the shelves of chemical supply rooms. For those of us who produce this compound every day, the backstory brings tangible meaning. In our facility, batches start from carefully sourced L-valine. Using crisp, uninterrupted reaction steps, each batch sets off to shape not a generic ingredient, but a key intermediate driving a host of important syntheses in research and industry. Our team monitors pH shifts, temperature swings, and crystallization curves with steady hands, knowing even slight lapses can tilt the outcome. What arrives in a customer’s lab has history—each bottle speaks of process parameters we’ve refined, packaging habits we’ve tuned, and purity levels we document with transparency. This product doesn’t trade on generic credentials; it comes from a workbench where real people trust their hands and eyes as much as their analytics.

    What Distinguishes This Compound From the Crowd

    Ask a chemist about ethyl esters, and you’ll see a spectrum: some flow as thin oils, others clump and defy easy dispensing. Ethyl L-Valinate Hydrochloride shows up as a crystalline solid—free-flowing, stable, and amenable to weighing out even in a humid lab. Relatively high solubility in water and many organics lets it dissolve without fuss or prolonged agitation. Researchers in peptide synthesis often mention the value of a reagent that won’t introduce unpredictable residues or bring in racemic mixtures. The strength of our process lies in the way we maintain chiral integrity, shaping a product that keeps its L-stereochemistry. Unlike many analogs—especially DL-mixed esters or acids—each kilogram reflects a controlled transformation, not a byproduct dragnet.

    It’s easy to overlook a hydrochloride salt as merely a convenience, but the real difference becomes clear on the bench. Freebase variants can offer volatility and instability, especially under routine storage. In contrast, Ethyl L-Valinate Hydrochloride rides out long transport and shifting humidity better than its neutral or free forms. You pull open the lid, and the substance stays free of clumped mass or degraded traces. Each cycle of recrystallization, each phase of packaging, aims to keep this reliability not just a matter of batch records, but an assurance that spans from our benches to yours.

    Why This Matters For Synthesis

    Workflows in peptide synthesis often live and die by the reliability of their building blocks. We’ve fielded calls from chemists frustrated by product that won’t dissolve, batches that test impure, or off-hand sources deciding that a compound ‘close enough’ will substitute for one with a true chiral specification. The margin for error narrows at scale—symmetry-breaking steps, for example, demand a starting amine or protected acid that hasn’t been oxidized, contaminated, or racemized. Here, Ethyl L-Valinate Hydrochloride has given labs an edge. Chiral resolution, hydrolysis control, and clean coupling reactions flow more dependably when the starting material comes in with a known origin and auditable trail.

    We know first-hand that time lost on re-purification or failed coupling stacks up in cost. Lab resources do not stretch infinitely. A single impure batch can derail timelines and compromise established protocols. That’s why our own QC team scrutinizes each lot, not just for theoretical spec sheets, but with eyes on how the crystals behave under polarimetry, melting point checks, and impurity screens. In the end, whether you’re running a gram-scale pilot or a process batch in tens of kilograms, reproducibility counts—and we don’t cut corners for volume.

    Supporting the Industry’s Push for Consistency

    Ethyl L-Valinate Hydrochloride isn’t a commodity bulk ingredient. In niche pharmaceutical syntheses, a surprising amount rides on each nuanced step. We have seen advanced agrochemical R&D rely on this intermediate to build more elaborate chiral systems. Outside the formal bounds of APIs, many research teams come to us with projects stretching from small-molecule probes to specialty ligands. They aren’t looking for the cheapest product thrown across borders; what matters is a lot-to-lot reproducibility that keeps experiments on track.

    Our operation learned early that meeting specifications on paper isn’t enough. Documentation matters. For each delivery, we archive not only COA and MSDS, but also the original calibration curves, chromatography traces, and titration results. Years of feedback tell us what details clients really want. We don’t ship anything we wouldn’t use ourselves. The focus is always on real customer outcomes, not just analytical purity. Shelf stability, reactivity under common conditions, and the way the salt behaves in open containers—these practical concerns take shape from the lived reality of large-scale handling, transport, and long-term storage.

    Handling and Practical Considerations

    Those new to using Ethyl L-Valinate Hydrochloride often remark on its ease of handling compared to amino acid esters in freebase form. While free acids can absorb water from air and gum up equipment, the hydrochloride version holds up. Lab techs can measure out portions without the frustration of clinging or hygroscopic breakdown. Our in-house teams have tested the compound in standard packaging—poly sacks, sealed barrels, lined pouches. Consistent repacking techniques and controlled humidity shields preserve the texture right up to the delivery.

    Our batches travel far, withstanding weeks of uncontrolled conditions through global logistics. Over time, we introduced strict shipment conditions after learning from a few early instances where neighboring strong bases or oxidizers in cargo ruptured seals. We refined the secondary packaging, including double-lining in high-traffic/lab-use requests. Now, even in tropical climates or unconditioned warehouse stays, Ethyl L-Valinate Hydrochloride arrives with its original characteristics intact.

    We never assume our job ends at shipment. After-sales support means replacing any batch that fails end-user QC, no questions asked. We routinely help partners diagnose crystallization issues or impurity spikes—whether the issue appears during storage, transit, or early lab workup. Our engineers keep phone lines open for this reason; they know firsthand the importance of fast troubleshooting, especially for projects that can’t afford downtime.

    Why Purity and Chiral Integrity Remain Our Focus

    Anyone synthesizing peptides, chiral drugs, or advanced catalysts knows the cost of ambiguity in starting material. Our production process stands as a barrier against racemization and chemical short-cuts. Using tightly controlled temperature profiles and monitored reagent additions, our reactors lock in the L-enantiomer in every crystallization. Testing with chiral HPLC happens routinely, not just at the close of each batch, but as an in-process check at critical steps. Any hint of DL-mixture, even below industry thresholds, prompts a full review and rerun, not just a quiet downgrade in documentation.

    We work closely with specialty reagent labs who stress the impact of side products—esters prone to hydrolysis, salts with cationic contamination, even color impurities that hint at underlying reaction issues. Out-of-spec batches never leave our door, regardless of whether a customer signals urgency. With scale-up comes unavoidable temptation for shortcuts; after hundreds of kilo-scale runs, we know these never pay off. Downtime for rework, raw material loss, dissatisfied partners—fixing problems later costs more than getting each step right from the start.

    Supporting Sustainable Chemistry

    In manufacturing, the carbon shadow of solvents haunts every tray and kettle. For Ethyl L-Valinate Hydrochloride, we’ve reduced waste by reclaiming excess ethanol from each run. Our recovery team monitors each distillation to channel solvents into closed-loop systems, not open drains. Organic effluents undergo continuous quality checks before clearance, with a focus on stripping out organics that could persist in water supplies. These adjustments, hard-won through trial and error, allow us to keep footprint smaller without impacting the chemistry.

    We piloted these processes because many of our clients—especially from the pharmaceutical sector—push for more than cost. They want real visibility into raw material origin, emissions records, and solvent consumption. Our response is more than a green blurb on spec sheets. Documented batch records, reclaimed solvent stocks, and audit trails form our daily workflow. Even minor failures in waste containment get escalated fast, with teams ready to swap out vessels or upgrade filters as soon as any sample trends above set limits.

    Why End-Users Notice a Difference

    Every seasoned chemist learns to spot subtle differences in synthetic building blocks. Our customers, especially repeat users in peptide and pharma chemistry, report thinner, clearer solutions when dissolving our Ethyl L-Valinate Hydrochloride—a sign of low residual organics and minimal salt contamination. Coupling reactions tend to proceed with cleaner endpoints. Post-synthesis filtrations yield less colored byproduct. This is not marketing—it’s the practical fruit of disciplined, iterative improvement at the production level.

    Some users point out the ease of downstream hydrolysis when using our material compared to generic stocks. The balance between purity and moisture content often goes unappreciated until side-by-side comparisons bring the differences into relief. Our approach—repackaging and re-testing prior to final shipment, rather than simply moving material immediately after synthesis—has earned recognition on several large projects. Purified batches match documentation not just by numbers, but by straightforward performance at the bench.

    Troubleshooting and Continuous Improvement

    Feedback doesn’t just get logged and filed. It turns into actionable changes for each new production round. Over the years, several large labs flagged subtle solvent carryover concerns, leading us to implement double-distillation protocols before final salt formation. Minor tweaks—such as adjusting air flow during drying or switching out filter grades—came from on-the-ground insights in actual user labs, not from theoretical optimization algorithms. Any product that comes back flagged gets a hands-on review, often with on-site visits or real-time video troubleshooting with QC experts.

    Our teams accept that every process has learning curves. Whether it’s fine-tuning batch sizes, trialing new crystallization tanks, or introducing automated moisture analyzers, we keep our door open to practical innovation. Chemistry rarely stands still, so neither do we.

    Supporting Long-Term Partnerships

    Many of our customers are not purchasing for a single run. Larger clients plan multi-phase projects, expecting supply reliability over months or years. Our production planning looks beyond immediate dispatches. Storage protocols, scheduled manufacture dates, and warehouse rotation cycles see regular updates. If a customer experiences an unexpected run-up in demand, we adapt by shifting batch priorities, not by thinning stock or lowering QC benchmarks. Commitment to genuine partnership means weathering both peaks and plateaus in demand cycles.

    We tackle logistical puzzles directly. Whether it involves customs compliance for regulated research destinations, extra documentation for import control, or coordinating direct-to-lab final mile delivery, our office teams know chemical exports bring headaches. We track evolving regulations and keep shipping practices transparent, rather than promising only the fastest route. New regulations on hazardous cargo, labeling shifts, or packaging requirements are monitored and built into each order. Every box shipped with our batch numbers offers a traceable line back to production day—no black boxes, no guesswork.

    Differences From Other Commonly Used Intermediates

    Many labs still source generic amino acid esters and freebases for cost. But the risks stack up: variable batch consistency, unknown origin, or ambiguous stereochemistry. Ethyl L-Valinate Hydrochloride, from our own production lines, enters workflows as a defined, trusted building block, not just a component with theoretical purity. Compared to other protected amino acid esters—such as methyl L-valinate or N-protected derivatives—our product holds up in challenging synthetic steps, especially where unwanted methylation or acyl scrambling can derail whole routes. Chiral selectivity and robust salt form protect both reactivity and shelf life.

    Some peer manufacturers shortcut by mixing racemic feedstocks. Our stake in vertical process control means every source of L-valine runs through internal verification before synthesis ever starts. We don’t buy intermediate mixtures and simply ‘convert.’ Instead, the full chain—fermentation, esterification, salt formation—plays out in controlled reactors, governed by validated SOPs and constant operator oversight. Downstream products reflect this chain of custody, passing solvent and side-product checks at each handoff until the batch completes.

    Meeting the Evolving Needs of Science

    Science doesn’t wait for manufacturing to catch up. New demands keep cropping up—lower trace metal levels, even more stringent chiral purity, compatibility with emerging coupling agents. Each request spurs new protocols and operational tweaks on our floor. Sustained communication with end-users keeps the pulse real. Over the years, stricter limits on heavy metals, trace chlorides, and residual solvents have shepherded ongoing process changes. Wherever possible, we tackle these at the raw material and reactor level, not with post-process patchwork. Commitment to true quality means listening to the unsolved problems of chemists around the world, then acting with the tools and knowledge built up over many years.

    Our vantage point remains grounded firmly in the practical realities of people at the lab bench, not spreadsheet averages or one-size-fits-all approaches. Ethyl L-Valinate Hydrochloride’s value grows with each user who discovers, by experience, that attention to detail at the manufacturing level means smoother sailing. Each bottle, each batch—made by people who treat chemistry as both science and craft.