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Tert-Butyl L-Alaninate Hydrochloride

    • Product Name Tert-Butyl L-Alaninate Hydrochloride
    • Alias tert-Butyl L-alaninate hydrochloride
    • Einecs 629-835-1
    • 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

    426947

    Chemical Name Tert-Butyl L-Alaninate Hydrochloride
    Cas Number 25505-13-1
    Molecular Formula C7H16ClNO2
    Molecular Weight 181.66 g/mol
    Appearance White to off-white solid
    Purity Typically ≥98%
    Melting Point 142-147°C (lit.)
    Solubility Soluble in water, methanol, and ethanol
    Storage Conditions Store at 2-8°C, keep container tightly closed

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

    Packing & Storage
    Packing The packaging consists of a 25g amber glass bottle, securely sealed and labeled with product details, handling precautions, and storage instructions.
    Shipping Tert-Butyl L-Alaninate Hydrochloride is shipped in tightly sealed containers to prevent moisture and contamination. It is transported as a non-hazardous substance under standard ambient temperatures. Packaging complies with chemical safety regulations, ensuring proper labeling and documentation. Protect from direct sunlight and store in a cool, dry location during transit.
    Storage Tert-Butyl L-Alaninate Hydrochloride should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances, especially strong oxidizers and moisture. Keep the chemical at room temperature (15–25°C). Ensure proper labeling and avoid sources of ignition. Store under inert gas if sensitive to air or moisture.
    Application of Tert-Butyl L-Alaninate Hydrochloride

    Applications of Tert-Butyl L-Alaninate Hydrochloride in Industrial Manufacturing

    Tert-Butyl L-Alaninate Hydrochloride functions as a key intermediate in several advanced chemical synthesis pathways, particularly within pharmaceutical and peptide manufacturing sectors. As an established manufacturer, we supply this compound in large volumes to ensure precise downstream integration, stringent compliance, and repeatable batch quality throughout critical applications. Below, we highlight distinct use cases based on current industrial practices, with detailed breakdowns on compliance, incorporation ratios, processing, and end products in each sector.

    1. Peptide Drug Synthesis

    Many developers of peptide therapeutics rely on tert-butyl L-alaninate hydrochloride for the construction of protected amino acid building blocks used in solid-phase peptide synthesis (SPPS). It enables selective introduction of alanine residues with controlled deprotection, ensuring batch-to-batch reliability and high purity sequences essential for clinical APIs. Its use is particularly prominent in multistep synthesis of oligopeptides and complex polypeptides where L-alanine incorporation dictates targeted biological activity.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US Pharmacopeia (USP), European Pharmacopeia (Ph.Eur.), Japanese Pharmacopeia (JP) specifications (where applicable for amino acid derivatives)
    • cGMP FDA CFR Title 21 regulations for peptide API manufacturing
    • EMA guidelines for synthetic oligopeptide APIs

    Typical usage ratio

    • Standard input ranges from 1.05 to 1.20 molar equivalents per target L-alanine residue, adjusted for resin-loading efficiency and sequence length
    • Higher scale multigram synthesis may require 1.1–1.3 molar equivalents for stepwise coupling yield optimization

    Downstream process integration

    • The raw material serves as a protected amino acid input for coupling to polystyrene or TentaGel resin matrices during SPPS initiation
    • It enters after Fmoc/t-Boc deprotection cycles, acting as the alanine donor in solution or automated peptide synthesizer reactors

    Final product types

    • Custom peptide APIs (e.g., hormone analogues, peptide vaccines, diagnostic peptides)
    • Research-grade peptide libraries
    • Oligopeptide intermediates for further post-synthesis modification

    2. Chiral Intermediate for Small Molecule APIs

    Pharmaceutical manufacturers and CDMOs employ tert-butyl L-alaninate hydrochloride as a stable chiral synthon, particularly in enantioselective synthesis. Its presence streamlines the introduction of L-stereocenters in key intermediates for beta-lactam antibiotics, DPP-4 inhibitors, and other small-molecule drugs. This scenario capitalizes on its crystalline stability under reaction conditions and compatibility with hydrogenation and alkylation reactions.

    Industry compliance standards

    • ICH Q11: Development and Manufacture of Drug Substances (Chemical Entities and Biotechnological/Biological Entities)
    • FDA cGMP CFR Title 21 for chiral intermediates
    • Specific Drug Master File (DMF) guidelines for starting materials in regulated API routes

    Typical usage ratio

    • Between 1.0 and 1.4 molar equivalents, based on the target molecule complexity and the stereochemical yield required
    • Ratios above 1.2 preferred for reactions involving excess base or complex coupling to ensure complete conversion

    Downstream process integration

    • Enter the synthetic route during initial or secondary alkylation, esterification, or amidation steps, depending on the targeted chiral center’s location
    • Often directly charged to reactors post-toluene or DMF dissolution for controlled temperature manipulation

    Final product types

    • Pharmaceutical chiral intermediates
    • Active pharmaceutical ingredients (e.g., beta-lactam antibiotics, antidiabetic agents)
    • Building blocks for asymmetric organocatalysis

    3. Amino Acid Derivative Production (Fmoc/Boc-Protected L-Alanine)

    Manufacturers of protected amino acids utilize tert-butyl L-alaninate hydrochloride as a principal precursor for preparing Fmoc-L-Ala-OH and Boc-L-Ala-OH. Its configuration allows direct transesterification and deprotection steps, yielding materials for rapid downstream use in peptide research, diagnostic reagent production, and fragment-based combinatorial chemistry.

    Industry compliance standards

    • ISO 9001:2015 for quality management in fine chemical production
    • REACH (EC 1907/2006) for safe raw material registration and handling
    • CAS and EINECS registration conformity for trade within global supply chains

    Typical usage ratio

    • 1.00–1.05 molar equivalents per equivalent of Fmoc-Cl or Boc2O reagent, adjusted for side reaction suppression
    • Precise weighing required to avoid excess hydrochloride, which impacts final product isolation

    Downstream process integration

    • Introduced at the amino acid derivatization step, typically after base treatment and pre-dissolution in a suitable organic solvent
    • Subsequent extraction and purification protocols determine downstream color, purity, and product fraction

    Final product types

    • Fmoc-L-Ala-OH
    • Boc-L-Ala-OH
    • Protected amino acid monomers for use in peptide synthesizers

    4. Research Chemicals and Analytical Standards

    Academic and industry research laboratories order tert-butyl L-alaninate hydrochloride to synthesize labeled standards, reference materials, or isotopically enriched derivatives for chromatographic and spectrometric method development. The compound’s crystallinity and purity support reproducible qualitative and quantitative analyses across amino acid profiling projects in pharma QC labs and technical R&D centers.

    Industry compliance standards

    • ISO/IEC 17025: Testing and calibration laboratory accreditation
    • USP Analytical Reference Standards for routine method qualification
    • GLP (Good Laboratory Practice) regulations for analytical material handling

    Typical usage ratio

    • Ranges from 0.5 to 2.0 mg/mL for HPLC or LC-MS standard solution preparation
    • For isotope-labeling, input based on stoichiometric conversion target (typically 1.00–1.10 equivalents per labeling reagent)

    Downstream process integration

    • Dissolved in ultrapure water or organic solvents for reference stock preparation
    • Used as the calibration standard or as a precursor for synthesis of isotopically labeled amino acids

    Final product types

    • Analytical reference standards (amino acid quantification kits for QC labs)
    • Isotope-labeled amino acid derivatives for metabolomics and proteomics
    • Labeled calibration materials for method validation
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    Certification & Compliance
    More Introduction

    Tert-Butyl L-Alaninate Hydrochloride: Experience at the Source

    Putting Chemistry to Work in Real Applications

    At our production site, every batch of Tert-Butyl L-Alaninate Hydrochloride tells a story of precision, teamwork, and continuous refinement. Chemists and operators have pored over its synthesis and purification, chasing both quality and yield in equal measure. Tert-Butyl L-Alaninate Hydrochloride shows up as a white or nearly white crystalline powder, consistent in performance across batches. We know well the expectations set by pharmaceutical labs and research teams who trust this compound for their work advancing the frontiers of medicine and biology.

    The Chemical: More Than Its Formula

    This derivative of L-alanine—paired with a tert-butyl ester and stabilized as a hydrochloride salt—offers concrete advantages over other protected amino acid esters. Unlike simple methyl or ethyl esters, Tert-Butyl L-Alaninate Hydrochloride brings a tert-butyl group’s robust hydrolytic stability to the mix. That means it resists premature cleavage during peptide synthesis, giving chemists more control at every coupling step. In solid-phase synthesis, where side reactions can waste days of effort, this measure of predictability protects both time and cost. Remove the tert-butyl group gently with mild acid; the structure of the amino acid stays intact, and side chains remain unscathed. This difference appears subtle in a textbook, but up close in the reactor, it builds confidence you can measure in both purity and productivity.

    Specifications That Come From Experience

    Through decades of hands-on process improvement, we have learned which technical standards make the biggest difference for peptide assembly and research applications. We target high optical purity, typically exceeding 99%, because unresolved racemization can haunt downstream reactions. Moisture control matters just as much. Overexposure to ambient air pulls water into the crystalline structure, so we package and seal every lot for transport immediately after drying and quality control analysis. Our HPLC and NMR instruments back up our results, but the best proof lies in repeat feedback from end-users who have yet to see a botched coupling or unexpected impurity from our production.

    Consistency Isn’t a Coincidence

    A good batch doesn’t just emerge by chance with Tert-Butyl L-Alaninate Hydrochloride. The synthesis line operators and shift leads at our facility understand the practical impacts of each deviation in temperature, stirring, or reactant purity because many of them have seen what happens otherwise. Even one off-spec lot can wreck a peptide sequence or set back a development campaign. Our team obsesses over raw material qualification, vessel cleaning, and periodic maintenance for these reasons. Automated monitoring helps, but good records and human attention fill the gaps.

    Meeting the Needs of Drug Synthesis

    Tert-Butyl L-Alaninate Hydrochloride supports a wide range of peptide couplings. Its use pops up most frequently in pharmaceutical development pipelines, including oncology and metabolic disorder pipelines where precise chiral control and strong regulatory documentation both matter. Our clients often mention the smoother workflow that comes from reliable deprotection behavior; tert-butyl esters, compared to benzyl or allyl varieties, come off cleanly under acidic conditions that don’t touch fragile side-chain groups. This translates into cleaner products, fewer byproducts, and higher yields throughout.

    A Distinctive Route to Protection

    Protection and deprotection strategies create the backbone of modern peptide chemistry. When other amino acid protecting groups demand extra steps—like hydrogenation, harsh acid, or expensive catalysts—tert-butyl esters allow selective cleavage. This selectivity avoids side reactions, especially those damaging labile residues. L-alanine derivatives see widespread use in designing peptide-based APIs and molecular probes. We’ve worked with teams running from academic labs to cGMP suites, all demanding consistency in their building blocks. Even on a kilo-scale, the solid handling properties and solubility profiles of our Tert-Butyl L-Alaninate Hydrochloride minimize operational headaches.

    Waste, Yield, and the Push to Do Better

    In chemical manufacturing, the discussion about green chemistry isn’t just academic. We looked at every step in our Tert-Butyl L-Alaninate Hydrochloride process, from raw alanine sourcing to final salt isolation, for ways to tighten material balances and cut waste streams. Tert-butyl alcohol recovery and hydrochloric acid neutralization take center stage. We implemented phase-separation steps and in-line purification to drive down mother liquor discard rates. Every improvement carries over to make pricing steadier and sustainability metrics sharper.

    Putting Our Work to the Test

    Behind every batch, a full analytical panel verifies identity, purity, and stability. Our specifications, grounded in years of client input, keep impurities including solvents, organic byproducts, and inorganic residues far below actionable limits. Reproducibility matters most in pharmaceutical and peptide research settings. A single deviation can introduce a byproduct into a synthetic pathway, undermining not just the compound at hand but also subsequent development steps. Tert-Butyl L-Alaninate Hydrochloride manufactured here has stood up to method validation protocols in many of the world’s leading pharmaceutical labs — we keep samples from every lot archived for later recall or reanalysis, and routinely invite audit teams to walk through both batch records and technical discussions.

    Supply, Scalability, and the Rhythm of Demand

    Customers who scale from milligram test runs to kilogram syntheses often find the market for amino acid derivatives growing tighter. We keep reserve inventory and capacity available for Tert-Butyl L-Alaninate Hydrochloride, anticipating seasonality and project launches in both drug discovery and contract synthesis sectors. Even as upstream raw material flows shift globally, having long-term agreements with suppliers shields our clients from disruptive shortages. Onsite blending and finished product hold points add resilience, allowing us to smooth out month-to-month surges in demand without passing volatility along.

    How Processing Experience Serves Specialized Research

    We support bioconjugation, catalyst screening, and peptide library generation efforts, all needing slightly different grades or handling arrangements. Tert-Butyl L-Alaninate Hydrochloride’s performance stays reliable across each. Collaborations with protein and peptide teams, bioscience startups, and university consortia alike let us adjust particle size distributions or packaging configurations without losing sight of product quality. These are not minor tweaks — they help solve logistical snags, speed up benchwork, and boost safety outcomes at the receiving docks.

    Learning With Each New Application

    Direct experience with different user groups has shaped our product over the years. Feedback from specialty pharma customers led us to implement more rigorous particle sizing to reduce dust and improve dispensing in automated peptide synthesizers. In research labs, where exact quantities and minimal loss make all the difference, our tighter sieving pays off in both yield and operator time. We’ve also worked with compounders focused on novel peptide-mimetic scaffolds who value our consistency in not just chiral purity but dissolution kinetics in their chosen solvents.

    Comparing to Other Alanine Derivatives

    Tert-Butyl L-Alaninate Hydrochloride stands apart from methyl or ethyl alaninate salts. The tert-butyl group’s bulkier structure means slower, more selective cleavage—an attribute essential for complex, multi-step syntheses. Peptide chemists frustrated by early hydrolysis events with smaller alkyl esters turn to tert-butyl versions because they reduce risk during lengthy synthesis campaigns. The hydrochloride salt adds further utility, increasing both shelf life and handling safety. Compared to Fmoc-protected alaninate derivatives, tert-butyl esters involve different protection strategies and removal protocols. Our team has compared their performance in-house, watching closely for points where one outperforms the other. The patterns we’ve seen reflect both literature precedent and real project outcomes: Tert-butyl variants often help retain sensitive residues, giving our clients greater freedom in structure design.

    Supporting Documentation and Regulatory Assurance

    Confidence in a chemical doesn’t stop at purity alone. As manufacturers, we routinely provide transparent batch records and certificates of analysis. Some customers—especially those advancing candidates towards clinical trials—ask for additional residual solvent data, impurity trend reports, or even on-site inspection rights. Our plant and documentation teams keep ahead of these audits, with batch traceability built into our ERP systems. Product stewardship and open communication save downstream partners both money and time, especially during regulatory submissions.

    Packaging That Reflects Real-World Needs

    Not every team needs a hundred-gram drum. Some need tens of milligrams, others require multiple kilograms reliably supplied every quarter. We have updated our packaging systems to deliver Tert-Butyl L-Alaninate Hydrochloride in high-barrier PET and aluminum composite bottles. This step, suggested by customers in high-humidity regions, cut pitting and caking rates, preserving the flow properties and crystalline appearance all the way to the bench.

    Shipping and Care in Handling

    Tert-Butyl L-Alaninate Hydrochloride isn’t a hazardous good under most shipping codes, but we understand the headaches that can come with regulatory reviews at customs and borders. Real shipping experience taught us to include extra documentation, declare contents clearly, and train our logistics partners in best practices for temperature and moisture control. We insulate and double-seal bulk shipments during humid months. Feedback from importers helps us revisit and refine these procedures to keep every delivery safe and compliant.

    Integrating Feedback and Improving Every Year

    We never assume that today’s best practice will serve tomorrow’s clients. Our technical support teams engage regularly with researchers and scale-up chemists, charting each pain point for continuous improvement. When an order of Tert-Butyl L-Alaninate Hydrochloride arrives that meets both tight purity requirements and tailored packaging requests, it reflects a long chain of both formal reviews and informal suggestions from our clients. Listening and adjusting production details allows us to stay ahead of shifting industry protocols and maintain our reputation for responsiveness.

    Why This Matters to You

    We see analytics teams who catch costly outliers before they derail a project. We’ve had repeat clients on five continents tell us that the difference between a smooth synthesis and weeks of troubleshooting often comes down to the reliability of a single building block. Anyone who has watched a project hit a wall over a small impurity or an unpredictable deprotection outcome knows the cost of compromise. That awareness informs every lot of Tert-Butyl L-Alaninate Hydrochloride we prepare — our pride flows from the trust our partners place in both our material and our process.

    The Balance Between Scale and Care

    Large-volume production always tempts shortcuts. We have chosen instead to keep every critical process step under direct oversight, running regular in-process checks that catch problems before product goes to the final storage bin. Long-standing relationships with both raw material vendors and finished product shippers give us leverage to enforce our standards. The time spent up front means no delays or surprises during audits, no frantic calls about missing paperwork, and no batches with unexpected results on first use.

    Looking Ahead: More Sustainable, More Reliable

    Making Tert-Butyl L-Alaninate Hydrochloride, year after year, breeds a respect for both consistency and adaptation. The regulatory environment tightens. Researchers demand not only better purity but more sustainable footprints and greater transparency around batch histories. We watch each trend and keep lines of communication open—knowing that every new analytical method employed by a partner might soon become an industry standard. We invest in greener solvents, energy recovery, and digital batch documentation because those measures bring practical value for our clients, not just minor improvements in a spec sheet.

    Stories From the Production Floor

    Some of our best process improvements have come straight from the operators overseeing the reactors. They've spotted small pH swings that signal a cleaning issue, or shifts in crystallization output that prompted changes in cooling ramps. Familiarity with the product, forged across years of hands-on labor, brings both troubleshooting power and genuine pride. When we ship a lot that passes every test and draws positive reviews from an end user, it isn’t just proof of our specifications—it represents the quiet expertise and commitment of every person along the line.

    Listening to Change—And Acting

    We encourage every partner to share both praise and complaints. Insights from an academic lab running single couplings have led us to fine-tune batch blends. Large pharma customers, reliant on uninterrupted supply for production lines, highlight the need for stockpiling and responsive logistics. Tert-Butyl L-Alaninate Hydrochloride continues to improve as each voice adds to the mix. By treating every comment as actionable, we raise not only our own standards but the reliability of every synthesis it supports worldwide.

    In Closing: A Manufacturer’s Commitment

    Tert-Butyl L-Alaninate Hydrochloride reflects a shared understanding developed through experience and engagement at every point along the value chain. It serves more than a shelf in the warehouse or a line on a spreadsheet—it answers the challenge of precise, reliable, and responsible chemistry in the real world. Whether it dissolves into a clinical candidate, a research peptide, or a novel diagnostic, we understand its true impact comes from the quality embedded by everyone who touches the process. Our promise is not just to supply a chemical, but to support every goal set by those pushing the boundaries of molecular science.