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Boc-Alpha-Cyclohexyl-D-Glycine

    • Product Name Boc-Alpha-Cyclohexyl-D-Glycine
    • Alias α-CHG
    • Einecs 676-574-6
    • 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
    VTB
    Specifications

    HS Code

    880972

    Productname Boc-Alpha-Cyclohexyl-D-Glycine
    Casnumber 139482-15-2
    Molecularformula C15H25NO4
    Molecularweight 283.36
    Appearance White to off-white solid
    Purity Typically ≥98%
    Meltingpoint 85-90°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Storagetemperature 2-8°C
    Synonyms Boc-D-α-cyclohexylglycine; N-BOC-α-Cyclohexyl-D-glycine
    Smiles CC(C)(C)OC(=O)N[C@@H](C(=O)O)C1CCCCC1

    As an accredited Boc-Alpha-Cyclohexyl-D-Glycine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Boc-Alpha-Cyclohexyl-D-Glycine is supplied in a sealed amber glass bottle, 5 grams, with a tamper-evident cap and labeled for research use.
    Shipping **Shipping Description:** Boc-Alpha-Cyclohexyl-D-Glycine is shipped in tightly sealed containers to prevent moisture and contamination. The chemical should be transported at ambient temperature, protected from excessive heat and direct sunlight. Proper labeling and documentation are provided, complying with safety regulations for laboratory chemicals. Handle with care to avoid spillage or exposure.
    Storage Boc-Alpha-Cyclohexyl-D-Glycine should be stored in a tightly sealed container, protected from moisture and light. Keep it at a temperature of 2-8°C (refrigerated conditions). Store in a cool, dry, and well-ventilated area away from incompatible substances such as oxidizing agents. Ensure proper labeling and handle using appropriate personal protective equipment to maintain chemical integrity and safety.
    Application of Boc-Alpha-Cyclohexyl-D-Glycine

    Applications of Boc-Alpha-Cyclohexyl-D-Glycine in Industrial Manufacturing

    Boc-Alpha-Cyclohexyl-D-Glycine represents a highly specialized intermediate for advanced synthesis in pharmaceutical and peptide manufacturing. As a direct manufacturer with large-scale capacity and process know-how, we supply this raw material to regulated industries demanding verified specifications for efficient, high-quality production outcomes.

    1. Peptide Active Pharmaceutical Ingredient (API) Synthesis

    Manufacturers use Boc-Alpha-Cyclohexyl-D-Glycine as a key protected chiral amino acid building block in solid-phase peptide synthesis (SPPS) and solution-phase peptide manufacturing. Its role in the sequence-specific incorporation enables the production of complex APIs such as D-modified therapeutic peptides and drug candidates. Downstream customers require precise purity and defined optical rotation for batch consistency and international regulatory filings. As a direct supplier, we ensure lot-to-lot reproducibility under GMP-like systems, supporting the preparation of injectable APIs, specialty peptide libraries, and clinical candidates.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • European Pharmacopoeia, General Monographs for Substances for Pharmaceutical Use
    • US FDA cGMP (21 CFR Parts 210 & 211)
    • EDQM CEP Dossier Guidance for Intermediates

    Typical usage ratio

    • Each peptide assembly cycle generally requires 1.05–1.15 molar equivalents, adjusted for coupling efficiency and sequence complexity; excess often removed after chain elongation.

    Downstream process integration

    • Integration occurs at the resin-loading or fragment-coupling stage after N-terminal Boc-deprotection; material enters via automated synthesizers or manual reactor charging.

    Final product types

    • Peptide-based APIs (e.g., antagonist peptides, modified hormone analogues)
    • GMP-grade peptide libraries for pharmaceutical R&D
    • Parenteral peptide drug substances
    • Custom peptide reference standards

    2. Chiral Intermediate for Small Molecule Drug Synthesis

    This protected D-amino acid finds application in the multi-step synthesis of small molecule drug intermediates, especially as a rigidifying unit to impart conformational control in piperazine, morpholine, or peptidomimetic core structures. Direct customers in the specialty drug and generics sectors source this intermediate for non-natural amino acid incorporation. The predictable cleavage of the Boc group under acidic conditions enables downstream residue modification without racemization, crucial for manufacturing regulatory submissions and scale-up batches.

    Industry compliance standards

    • US DMF (Drug Master File) supporting documentation
    • China NMPA Drug Registration Guidance
    • JP16, Japanese Pharmacopoeia checks where applicable for chiral purity
    • ISO 9001 quality management for synthesis intermediates

    Typical usage ratio

    • Employed at 0.90–1.10 equivalents in coupling steps; adjusted based on nucleophile or electrophile excess in multistep synthesis pipelines.

    Downstream process integration

    • Material loaded during enantioselective coupling or protection/deprotection cycles; incorporated during early or mid-stage synthesis of drug candidates.

    Final product types

    • Oral and injectable small molecule generics
    • Novel drug entity (NCE) candidates
    • Enantiomerically pure pharmaceutical intermediates
    • Advanced peptidomimetic intermediates

    3. Research and Development of D-Amino Acid Based Enzyme Inhibitors

    Leading biotechnology firms and pharmaceutical research institutes incorporate our material for the synthesis of D-amino acid-enriched peptide libraries aimed at enzyme inhibitor development. By integrating the cyclohexyl group at the alpha-position, researchers achieve high selectivity against proteolysis, increasing inhibitor binding stability. Our material’s suitability for high-concentration synthesis and analytical reproducibility supports advanced SAR (structure-activity relationship) studies. We provide supporting data and technical documentation to accelerate project milestones compliant with external audit requirements.

    Industry compliance standards

    • OECD Good Laboratory Practice (GLP) requirements for research substances
    • USP General Chapter <1045> for Biologics Characterization
    • Internal Pharmaceutical R&D Material Release Standards
    • ROHS Directive if research tools are applied outside human use

    Typical usage ratio

    • Formulated in screen libraries at 0.5–1.2 units per candidate peptide; ratios modified during high-throughput structural optimization.

    Downstream process integration

    • Material introduced during combinatorial synthesis, especially at the residue-specific coupling stage, for analog library generation.

    Final product types

    • Experimental peptide inhibitor candidates
    • High-throughput screening panels
    • Analytical standards for enzymology
    • Lead opt candidates for preclinical validation

    4. Custom Peptidomimetic and Macrocycle Synthesis

    Specialty chemical and contract research partners use Boc-Alpha-Cyclohexyl-D-Glycine for the creation of custom peptidomimetic scaffolds, constrained macrocycles, and industrial scale-up of new molecular entities. The conformational rigidity imparted by the cyclohexyl side chain is highly valued in library diversification projects and performance polymer development. As a manufacturer, we support large batch consistency for critical innovation programs and offer technical data on handling, solubility, and coupling yields tailored to this complex application space.

    Industry compliance standards

    • REACH Registration and Notification for non-pharma chemical use in the EU
    • ISO 14001 process management for chemical production facilities
    • GLP-grade documentation for preclinical supply
    • National Fire Protection Association (NFPA) handling and storage guidance

    Typical usage ratio

    • Ranges from 0.95–1.25 molecular equivalents per scaffold, depending on cyclization protocol and scale-up yield requirements.

    Downstream process integration

    • Applied at macrocyclization, conformational constraint, or post-residue incorporation stages in peptidomimetic synthesis flows.

    Final product types

    • Synthetic macrocycles for drug discovery
    • Custom non-natural peptide analogues
    • Rigidified peptidomimetic scaffolds for screening
    • Specialty intermediates for advanced material applications
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    Certification & Compliance
    More Introduction

    Boc-Alpha-Cyclohexyl-D-Glycine: A Closer Look from a Chemical Manufacturer’s Bench

    A Direct Perspective on Boc-Alpha-Cyclohexyl-D-Glycine

    In our daily production environment, the story of Boc-Alpha-Cyclohexyl-D-Glycine unfolds through years of steady hands and exacting equipment checks. The compound isn’t just a reagent; it represents the kind of precise molecular building block that defines success for solid-phase peptide synthesis. The product’s backbone, with its cyclic cyclohexyl ring and D-configuration, creates a unique shape that peptide chemists rely on. Gaining consistent quality isn’t a result of automation alone, but also a deep respect for every small observation, every note taken by our floor operators about how batch temperature or reaction purity influence the outcome.

    Here, we measure batches of Boc-Alpha-Cyclohexyl-D-Glycine with the sort of attention to detail that comes from seeing mistakes cost time and raw material. Typically, our team handles this product in white crystalline powder form. Customers trust the lot uniformity because we keep our own instrumentation checked, our glassware free of contamination, and our records open to scrutiny by anyone with a mind to understand our process.

    Applications Built from Real Lab Needs

    It’s easy to list that the main application for Boc-Alpha-Cyclohexyl-D-Glycine sits in the synthesis of peptides with unusual conformational constraints—especially when the goal is to introduce rigidity or test molecular recognition. But this insight comes directly from watching chemists reach for this building block during critical structure-activity studies or when standard glycine derivatives just don’t create the desired resistance to enzymatic cleavage in the lab. Our customers span research labs working on early-stage pharmaceutical investigations, to larger peptide production lines that can't afford to jeopardize batch timelines with impure or under-protected intermediates. We have followed up on returns of peptide chain assemblies and learned firsthand where solubility, purity and optical configuration play an outsize role. D-amino acids like this variant hold value because their configuration slows natural degradative enzymes, providing researchers additional time and stability in their assays.

    One aspect of Boc-Alpha-Cyclohexyl-D-Glycine that sets it apart arises in study design. The naturally occurring L-isomers of amino acids dominate proteins, but the D-isomers offer new directions in peptide mimicry and drug design. Adding a bulky cyclohexyl group means researchers build in enhanced hydrophobic character and steric bulk, which strongly affect how resultant peptides fold or resist biological breakdown. This practical effect is clearer in experiments than in catalog descriptions. Watching hundreds of test tubes, columns, and HPLC traces, I’ve seen how much the final peptide’s qualities trace back to these choices at the monomer stage.

    Refining the Model and Specifications

    We manufacture Boc-Alpha-Cyclohexyl-D-Glycine using a route that balances safety with yield, limiting exposure to unnecessary side-products through slow, staged additions and vigilant monitoring. Typical batches score more than 98 percent purity on HPLC, but each run teaches us new things about yield improvement, chromatographic removal of diastereomers, or the rare occurrence of by-products under sub-optimal drying conditions. The product formula—C13H21NO4—and its precise molecular weight serve as more than just catalog data. We reference them in daily GMP cross-checks and ongoing QA documentation.

    Our workers handle barrels and sacks with the same attention that a small-lot custom synthesis would require, not because regulation demands it, but because error in these steps turns small process hiccups into costly delays down the line. It’s common for clients to request additional analytical data—NMR spectra, mass spectrometry confirmation, optical rotation. Over years in business, we’ve learned to meet or exceed these technical needs, rather than rely solely on boilerplate specification sheets. New chemists on our team are trained to spot signs of incomplete deprotection or unresolved isomers—a practice born of our shared responsibility to keep downstream work free from surprise side-reactions.

    Why Differences Matter: Boc-Alpha-Cyclohexyl-D-Glycine Versus Other Boc-Amino Acids

    No two product lines feel quite the same at a hands-on level, and Boc-Alpha-Cyclohexyl-D-Glycine is no exception. On paper, variations between Boc-protected amino acids look minor, with only one substituent changing from one to another. In real use, that cyclohexyl ring stands out, bringing effects that chemists routinely note in their process logs. It creates greater steric hindrance during coupling steps, sometimes requiring optimizations like prolonged activation or finer control of reaction temperature. Some days, the process runs smoothly with the standard HBTU or DIC/HOAt activation, but for larger-scale assemblies or tougher fragments, our technical staff advises clients to conduct small-scale tests to dial in coupling protocols.

    If you compare Boc-Alpha-Cyclohexyl-D-Glycine with more familiar Boc-Glycine or Boc-Alanine, the differences in how the solid powder mixes or dissolves become apparent. The increased bulk affects solubility—most users find it dissolves more slowly, demanding patience and thorough stirring. Our team monitors how particle morphology affects reconstitution, sometimes adjusting the final drying phase to improve dispersion. Many regular customers in research or scale-up projects appreciate honest guidance about handling nuances: less dust than lighter amino acids, but more resistance to solution blending.

    Price points reflect not only supply chain costs for cyclohexyl starting materials, but the increased time taken at purification. Some clients ask why this product can’t be offered at the same price level as less demanding Boc-protected amino acids. The reality, learned over hundreds of process hours, is that every extra ring or branching on a molecule changes everything from required cooling cycles to solvent selections—details only a manufacturer living daily in this space can properly explain.

    Ensuring Consistent Quality: The Manufacturer’s Routine

    The matter of quality assurance for Boc-Alpha-Cyclohexyl-D-Glycine is as much about culture as it is about instrumentation. Every operator, technician, and supervisor knows that missing a moisture check or a minor impurity at prep level will eventually show up—either in the form of returned product or troubleshooting calls from clients whose syntheses won’t advance past a certain peptide elongation. We don’t hide from these scenarios; some of our best process improvements arose from forthright, sometimes difficult conversations with customers. Open feedback cycles sharpen our edge.

    Teams work through protocols documenting every critical control point: solvent grades, batch logs, TLC and HPLC checks at different steps. Recently, to address recurring questions about trace solvents, we invested in GC-MS screening at both intermediate and final stages. These tangible, observed practices, built over years of audit trails and experience with demanding regulatory reviews, harden our ability to guarantee purity and configuration correctness.

    Newcomers to the chemical industry sometimes underestimate the impact of lot variation. Minute changes—like a 1 degree swing in drying-room temperature—can manifest in batch-to-batch differences. We keep our QC lab close to the main plant, not in a distant building, so issues show up early and can be dealt with promptly by those with real authority to halt, clean, or retest. Customers benefit from this because we confront problems while still in our own hands, not after a product reaches a peptide facility halfway round the globe.

    Supporting Optimization in End-User Laboratories

    Years of collaboration with major and emerging peptide research teams give us continuing insight into the pitfalls and breakthroughs that follow use of Boc-Alpha-Cyclohexyl-D-Glycine. Our technical support isn’t just a phone number; it’s project managers and chemists who have stood over fouled filtration columns, repeated coupling cycles, and seen the difference that trace impurity or incomplete protection makes in downstream analytics. Sharing notes on failed sequences, unexpected aggregation, or handling tips allows users to get more from our product than what a spec sheet promises.

    Consistent feedback points to one core lesson: users want predictability. Whether scaling to multi-hundred gram peptide assemblies or running milligram trial syntheses, researchers lose trust quickly in a product line that drifts outside expected behavior. We lean on decades of process logs and customer dialogues to anticipate such stumbling blocks, and structure our process improvement drives around the pain points users describe.

    On occasion, we organize knowledge-sharing workshops for regular customers, not as a marketing exercise but as a roundtable of shared learning—what coupling additives prevent recalcitrant fastidiousness, which solvents preserve product integrity best. We walk users through the practical side of shelf life, noting that even with desiccator storage and careful resealing, high humidity environments can bring on slow decomposition in marginally-protected batches. It pays to rotate stock, audit inventory storage, and keep lines open between manufacturer and user for small batch revalidations.

    Addressing Real-World Challenges

    True production always grapples with challenges. Among the most pressing for Boc-Alpha-Cyclohexyl-D-Glycine, solvent compatibility and coupling efficiency stand out. Labs working under tight timelines or restricted regulatory frameworks often struggle with residual solvent levels. To support them, we monitor not just acetone and dichloromethane carryover, but any sign that the barrel’s lining or storage method interacts with the product. About a year ago, client feedback revealed a subtle color shift in a delivered batch—trace back shows a drum interior reaction; responding by shifting vendor and installing new lining inspection routines solved the problem.

    Wastage control in process transfer also counts among the underappreciated realities. With Boc-Alpha-Cyclohexyl-D-Glycine, minor caking or overly compacted powder sometimes causes difficulties in automated feeder lines. We study particle size distribution per lot, even running customer trials with high-speed dispensing units to check for bridging or inconsistent flow. Fixing these problems rarely falls to generic process tweaks—the real solution often combines small equipment upgrades in our plant with honest reporting and cooperative troubleshooting on the customer’s side. Some projects benefit from tailored sachet packing or low-density microgranulation, based on detailed dialogue about how different users dispense material under variable humidity and handling environments.

    Building Trust Through Transparency and Accountability

    Over decades of work with Boc-Alpha-Cyclohexyl-D-Glycine, we’ve learned that open process descriptions and clear acknowledgment of technical limits set the foundation for trust. Customers do not expect perfection from every batch, but they do expect frankness about what went wrong, and what steps are underway to prevent recurrence. This attitude extends through our handling of certificates of analysis, failure reports, and the occasional regulatory audit that brings new questions to light. Our process notes detail both what was done, what wasn’t, and why a particular step ended as it did.

    The industry rewards those who bring steady improvements and draw on their own operational data. We publish ongoing stability studies for Boc-Alpha-Cyclohexyl-D-Glycine, updating clients with not just storage recommendations, but the actual conditions under which degradation or change takes place. If new impurity peaks arise on a chromatogram, or a trend emerges after shipment under summer conditions, we don’t suppress the data. Instead, we update technical sheets, inform frequent buyers, and adjust storage protocols.

    Navigating Regulatory and Environmental Demands

    Environmental consciousness isn’t an abstract compliance term for us. Every ton of Boc-Alpha-Cyclohexyl-D-Glycine made brings a new waste stream, new by-product flow, and renewed scrutiny from both in-house safety committees and outside regulators. The cyclical structure of this molecule introduces some unique by-products—typically cyclic ureas or protected oxazolones—which must be captured and safely handled. We constructed closed-cycle solvent recycling farther upstream because the cost—and the ethical burden—of careless solvent management is too high for any industry with a future outlook.

    Recent years also brought increased regulatory documentation demands, especially as clean labeling and traceability gain ground in the peptide and small-molecule synthetic supply chains. End-users deploying Boc-Alpha-Cyclohexyl-D-Glycine in regulated market products request full traceable chain-of-custody data, alongside endotoxin and residual heavy metal reporting. We log every step, not solely to check boxes for compliance, but because each detail builds confidence for customers operating where the margin for error shrinks ever tighter.

    Listening Closely to User Experiences

    Direct user experience matters more than any theoretical description. We encourage open dialogue with clients, learning not just from successes but from failed syntheses, analytical hiccups, and awkward dispensing events. Our plant has evolved in step with these lessons. Years ago, we fielded repeated feedback on purity drift and coupling setbacks—remedied by tuning crystallization conditions and rethinking atmospheric controls in sensitive steps. User observations about solubility in nonstandard peptide solvents inspired a small series of solubility studies, the results of which became the basis for customer newsletters and updated technical guidance.

    Not every innovation starts from the R&D lab; many stem from a frustrated call or offhand comment in a follow-up meeting. Operators now perform random retention-sample analysis on aged lots in response to storage shelf-life questions from labs with intermittent procurement cycles. Each of these habits compounds, over years, to give downstream users more confidence in the critical choices that hinge on these building blocks.

    Future Outlook: Continuous Improvement by Design

    A chemical manufacturer grows by learning from every batch, every mistake, and every technical challenge. Boc-Alpha-Cyclohexyl-D-Glycine’s story weaves through raw material shifts, tighter documentation, and collaborative troubleshooting with chemists who push molecular limits. The pathway forward points to ongoing process improvements: more sensitive impurity tracking, tighter control of coupling reagents, and expanded in-house application testing that mirrors real-world peptide assembly lines.

    Our raw material buyers interact directly with upstream producers to stress test the predictability of supply, especially as markets fluctuate and global transportation throws up fresh challenges. We bring these lessons back to our process managers and frontline workers. In planning meetings, batch reviews, and quality audits, every operator has a voice—detailing observed batch issues, near-miss contamination, or smart workarounds to boost throughput without compromising purity.

    The value in Boc-Alpha-Cyclohexyl-D-Glycine, to us, lies just as much in these ongoing, hands-on refinements as it does in the precise chemistry that describes the molecule’s place in peptide science. Each batch made, each technical query fielded and each real-world peptide assembly run supports a broader commitment: steady innovation, clear accountability, and the willingness to bridge gaps between factory floor reality and bench-top research needs.