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D(+)-Pipecolinic Acid

    • Product Name D(+)-Pipecolinic Acid
    • Alias (R)-Pipecolinic acid
    • Einecs 220-701-8
    • 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

    114378

    Product Name D(+)-Pipecolinic Acid
    Cas Number 535-75-1
    Molecular Formula C6H11NO2
    Molecular Weight 129.16 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 250-255°C (dec.)
    Specific Rotation +26° to +30° (c=2, H2O)
    Solubility Soluble in water
    Purity Typically ≥98%
    Synonyms D-Pipecolinic acid; (R)-Pipecolinic acid; (R)-Piperidine-2-carboxylic acid
    Pka 2.17 (carboxylic acid), 10.75 (amino group)
    Storage Temperature 2-8°C
    Ec Number 208-622-7
    Unii M4UA2R52E5

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

    Packing & Storage
    Packing D(+)-Pipecolinic Acid is packaged in a 25g amber glass bottle, sealed with a screw cap, and labeled for laboratory use.
    Shipping D(+)-Pipecolinic Acid is shipped in tightly sealed containers to prevent moisture absorption and contamination. It is typically packed under dry, cool conditions, and protected from light. During shipping, all relevant regulations are followed, including proper labeling, documentation, and safety precautions to ensure safe handling and delivery to the destination.
    Storage D(+)-Pipecolinic Acid should be stored in a tightly sealed container, protected from moisture and light. Keep the chemical in a cool, dry, well-ventilated area, ideally at room temperature (2–8°C). Avoid exposure to strong oxidizing agents and store away from incompatible substances. Ensure proper labeling and restrict access to authorized personnel only for safe handling and storage.
    Application of D(+)-Pipecolinic Acid

    Applications of D(+)-Pipecolinic Acid in Industrial Manufacturing

    D(+)-Pipecolinic Acid is an enantiomerically pure heterocyclic amino acid used in specialized sectors that require precise molecular building blocks. Drawing on our expertise as a regulated raw material manufacturer, we detail actual downstream integration in rigorously controlled industrial scenarios.

    1. Pharmaceutical Intermediate for Active Pharmaceutical Ingredients (APIs)

    Leading pharmaceutical manufacturers rely on D(+)-Pipecolinic Acid as a vital intermediate during synthesis of complex drugs, such as certain antiepileptics and neuroprotective agents. This raw material enters multi-step processes under regulated quality environments involving asymmetric synthesis, where chirality control directly impacts the final drug’s safety and activity profile. Material input typically occurs following initial condensation stages, supporting construction of piperidine or pipecolate motifs within the drug’s core structure. Our facilities address strict identity, purity, and trace element requirements to comply with international pharmacopoeial references, ensuring batch traceability for downstream GMP production. Finished pharmaceuticals may include branded or generic prescription medications using pipecolate structures as active moieties.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • EU GMP Part II for API manufacturing
    • USP <1092> and Ph. Eur. monographs (where applicable)
    • Local Drug Master File (DMF) registrations

    Typical usage ratio

    • 10–25% of total raw material blend in key synthetic steps, based on product stoichiometry and yield optimization.
    • Adjusted according to catalyst, solvent, and targeted impurity control.

    Downstream process integration

    • Charged post-initial activation as the primary chiral source
    • Enters amidation, coupling, and ring-closure reactions under controlled pH and temperature
    • Integrated into multi-reactor synthesis trains with validated material traceability
    • Purity confirmed by HPLC and NMR prior to main conversion step

    Final product types

    • Anticonvulsant drug molecules (e.g., ALKS-8700 intermediates)
    • Neuromodulating pharmaceutical APIs
    • Chiral building blocks for specialty drug discovery libraries
    • Contract-manufactured generic drug substances featuring piperidine functionalities

    2. Building Block in Peptide and Peptidomimetic Synthesis

    Biotech and peptide contract manufacturing organizations utilize this enantiopure amino acid derivative during custom peptide chain assembly, particularly in research and diagnostic sectors. Its unique structure introduces conformational rigidity and improved metabolic stability for modified peptides, including cyclic and linear sequences. Integration often takes place at the protected amino acid coupling stage, where D(+)-Pipecolinic Acid analogues support the design of peptidomimetics with enhanced pharmacokinetics. Our material complies with stringent bioprocessing contamination guidelines to prevent downstream interference, which is critical for scale-up batches that serve as reagents, probes, or therapeutic research candidates.

    Industry compliance standards

    • ISO 9001:2015 for quality management
    • EDQM and FDA guidelines for raw materials in therapeutic peptide manufacturing
    • ICH Q3A(B) for impurity profiling in biopharmaceutical ingredients
    • Relevant US and EU Research Use Only (RUO) labeling protocols

    Typical usage ratio

    • Varies from 1–15 mol% of total peptide sequence, based on design requirements
    • Adjusted to sequence length, number of modified sites, and stability targets

    Downstream process integration

    • Loaded as protected Fmoc/tBu or Boc derivatives during solid phase peptide synthesis (SPPS)
    • Integrated at chain elongation or cyclization stages
    • Added directly to solution-phase peptide coupling protocols for challenging position insertions
    • Purity and identity confirmed by LC-MS and amino acid analysis prior to use

    Final product types

    • Modified peptide drug candidates and peptidomimetic therapeutics
    • Diagnostic peptide reference standards
    • Resistant peptide probes for laboratory research
    • Cyclic peptide libraries for target screening

    3. Precursor in Agrochemical Synthesis

    Agrochemical manufacturers deploy D(+)-Pipecolinic Acid to construct piperidine-based structures for new-generation crop protection actives. It serves as a controlled intermediate in the chemical synthesis of selective herbicides or fungicides with improved environmental safety profiles. The raw material feeds into ring-formation or side-chain substitution reactions under specific process safety protocols to manage exotherms and mitigate batch-to-batch variability. Downstream agrochemical formulation validates absence of restricted residues, supporting registration in key regulatory jurisdictions. Our integrated management systems enable efficient auditing and batch documentation required for global crop protection supply chains.

    Industry compliance standards

    • FAO/WHO guidelines on pesticide manufacturing
    • REACH (EC 1907/2006) for chemical safety in Europe
    • ISO 14001:2015 Environmental Management for agrochemicals
    • Local regulatory submissions (e.g., US EPA, Brazil ANVISA)

    Typical usage ratio

    • 5–18% by reaction mass, modulated by final product type and desired substitution pattern
    • Adjusted for process safety and active ingredient yield

    Downstream process integration

    • Introduced at piperidine ring-formation or side-chain functionalization steps
    • Integrated in early synthetic steps to impart chirality where biological activity depends on isomeric purity
    • Samples cleared through in-house QC on elemental impurities before plant-scale production
    • Final batch blending with formulation stabilizers before packaging

    Final product types

    • Piperidine-based herbicides for selective weed control
    • Fungicidal crop protection active ingredients
    • Seed coating actives for industrial agriculture
    • Intermediate stock for further crop protection synthesis chains

    4. Chiral Auxiliaries and Catalysts for Fine Chemical Synthesis

    Chiral technology laboratories and specialty chemical producers leverage the unique configuration of D(+)-Pipecolinic Acid to prepare precision auxiliaries or catalytic ligands. Entry into fine chemical manufacturing involves immobilization or derivatization steps, where the amino acid’s cyclic structure imposes conformational control on key transformations, such as asymmetric hydrogenation or alkylation. Our traceability and analytical control allow end users to document optical purity critical for downstream product certification. This material supports production of chiral ligands and auxiliary agents demanded in the synthesis of active molecules for research, fragrance, and non-pharma specialty sectors.

    Industry compliance standards

    • ISO 9001:2015 for specialty chemical manufacture
    • Internal quality risk management aligned with Responsible Care programs
    • Certification of chirality by polarimetry and NMR according to customer specification
    • Material Safety Data Sheet (MSDS) documentation under GHS

    Typical usage ratio

    • Usual incorporation at 1–10 mol% relative to substrate in catalytic cycled systems
    • Auxiliary synthesis commonly ranges from stoichiometric to catalytic loading, as per target reaction pathway

    Downstream process integration

    • Converted to chiral ligands or auxiliaries via amide, ester, or imine functionalization
    • Inserted in transition metal-catalyzed asymmetric reactions
    • Recycled or separated post-reaction for further process economy
    • QC by chiral HPLC to validate batch-to-batch consistency

    Final product types

    • Enantioenriched fine chemicals
    • Custom chiral synthesis auxiliaries for R&D
    • Chiral metal complexes for asymmetric industrial catalysis
    • Precursors for research-grade aroma chemicals

    5. Research Compounds and Reference Standards for Analytical Laboratories

    Accredited chemical analysis labs and research institutions utilize D(+)-Pipecolinic Acid as a high-purity reference compound in amino acid profiling, chromatographic calibration, and stereochemistry studies. Its certified enantiopurity supports robust method validation, especially in the development of LC-MS/MS assays for biological or environmental sample analysis, and metabolic pathway elucidation studies. Our material meets ISO-accredited trace chemical reference requirements, and production adheres to batch-level documentation for scientific data integrity. Pack sizes and purities align with the needs of both quality control labs and academic research centers.

    Industry compliance standards

    • ISO 17034:2016 for certified reference material producers
    • ISO/IEC 17025:2017 for laboratory testing and calibration
    • Guidance for Industry (Analytical Procedures and Methods Validation for Drugs and Biologics, US FDA)
    • ICH Q2(R1) for analytical method validation

    Typical usage ratio

    • Standard solutions prepared at 1–100 μg/mL for LC or GC calibration
    • Reference spikes typically used at 0.1–10 μmol sample load per run

    Downstream process integration

    • Directly dissolved for reference standard preparation in analytical chemistry
    • Applied as calibration check for method development or system suitability testing
    • Spiked into biological or environmental matrices for recovery experiments
    • Stock solutions stored under specified temperature and humidity to maintain stability

    Final product types

    • Certified reference standards and calibration kits
    • Amino acid panels for clinical and food testing
    • Standardized reagents for LC-MS analytical protocols
    • Experimental batch samples for biochemistry studies
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    Certification & Compliance
    More Introduction

    D(+)-Pipecolinic Acid: Supporting Consistent Results Through Reliable Chemistry

    Experience Behind Every Batch

    We have spent years perfecting the synthesis of specialty amino acids, and D(+)-Pipecolinic Acid stands out as a core offering because of the precision it brings to research and industrial processes. It's not enough to hit the target: repeatability matters, and over the years our clients have told us that subtle variations in purity or physical characteristics throw off their work. In chemical manufacturing, the difference between success and wasted resources often comes down to the starting materials. This lesson drives our approach to quality.

    Specifications That Meet Real-World Demands

    Our D(+)-Pipecolinic Acid starts with a single focus: a crystalline, water-insoluble powder with reliable chemical identity and minimal trace contaminants. We provide this compound most often at ≥99% purity, confirmed by HPLC and chiral analysis, since both stereochemistry and absence of byproducts are critical for downstream applications. Our production does not rely on racemic mixtures or outsourcing, so contaminant profiles remain consistent from batch to batch. Melting point, appearance, and optical rotation are all routinely checked before any shipment leaves our facility. We do not cut corners on drying, so final product maintains sharp melting characteristics suitable for analytical and preparatory work.

    Supporting Drug Discovery and Beyond

    Since we manufacture D(+)-Pipecolinic Acid at scale, we've become a partner of choice for pharmaceutical developers. This compound helps advance synthesis of β-lactam antibiotics, ligands for asymmetric catalysis, and enantiopure intermediates that don't tolerate off-spec input. In my experience, most complaints in pilot chemistry programs trace back to reagent reliability, and many of our long-term clients originally switched after encountering inconsistency elsewhere. Our lot-tracing practices and batch certificates directly support regulatory submissions, and we have done this for both US FDA and EMA filings.

    We value open communication with R&D users. Teams designing peptide analogs, modified amino acids, or custom building blocks often request our technical support at the earliest stages. We've helped develop custom grades of D(+)-Pipecolinic Acid — for example, with tightened heavy metal limits for preclinical tox, or alternative particle sizes for automated dosing. Scaling up to kilogram lots does not erode these standards. We test every batch using the same validated protocols, and we never outsource critical stages where identity or purity could shift.

    Understanding the Details: Stereochemistry Matters

    D(+)-Pipecolinic Acid differs from its L(-) isomer in key physical and biochemical features. We cannot overstate the impact this has: enzymes and biological targets can tell the difference, and synthetic chemists need the right version at the right point in multi-step pathways. Many academic syntheses in the past have not controlled for chirality, resulting in mixtures or ambiguous outcomes. Our dedicated chiral routes guarantee the D(+) form, eliminating uncertainty and supporting rigorous research.

    Back when we first began producing this product, the market was filled with racemic material cut from bulk intermediates — fine if you just need bulk nitrogen or a non-specific reactant, useless for selective synthesis. I recall a client frustrated by inconsistent results with a supposed D(+) sample, later traced to a distributor with uncontrolled origins. This is why we publish batch-level chiral HPLC traces and make these available upon request.

    Consistency Through Vertical Integration

    Reliance on imported intermediates or speculative price breaks undermines quality at every turn. We control every aspect of our D(+)-Pipecolinic Acid production, from purification through packaging. Staff monitor every key point in the process, maintaining the high standards we've built into our systems with real-world experience. Analytical chemists verify stereochemistry, look for byproducts, and stay in constant communication with production. For customers this reduces hidden liabilities, which tend to show up at the worst possible times: failed reactions, ambiguous analytical data, or worst of all, regulatory questions at the review stage.

    It is difficult to overstate the trouble that small impurities can cause. Our analytical teams have tracked minor signals on HPLC back to trace side-reactions, prompting immediate upstream adjustments. The benefit for customers arises over and over again: transparent documentation makes troubleshooting straightforward, and supply chain headaches become rare.

    Applications and Synthesis Pathways Shaped by Feedback

    Research rarely stands still, and neither should manufacturing practices. Our partnerships with universities, biotech startups, and established pharmaceutical groups have transformed the way we approach D(+)-Pipecolinic Acid. Initially most requests centered on classic usage in organocatalysis and pharmaceutical intermediates. Years down the line, we now supply to groups working on peptide-based drugs, functionalized polymers, custom ligands, and enzyme inhibitors targeted at advanced diseases. End-use often requires special forms: we produce both free acids and protected derivatives, and we welcome detailed feedback on what helps or hinders new synthetic approaches.

    Real stories inform our improvements. One customer needed D(+)-Pipecolinic Acid compatible with trace analysis for a rare disease biomarker project. Their work demanded negligible background noise, so our teams refined purification, added new analytical runs, and post-processed without risking cross-contamination. We have incorporated those controls throughout our production, and later made them available in new product lines to everyone.

    Comparing D(+)-Pipecolinic Acid to Other Offerings

    Bulk trade in generic pipecolic acid sometimes leads to a misunderstanding: not all samples behave the same, and even subtle impurities change reactivity or biological properties. D(+)-Pipecolinic Acid should not be confused with the racemic or L(-) forms commonly available through unrelated channels. Sourcing from synthetic routes rather than fermentation guarantees lot-to-lot consistency and avoids variable stereoisomers that derail process development.

    Our hands-on approach means we have direct feedback about what works in diverse settings. For example, while the L(-) isomer appears in some biological processes, the D(+) form enables chirally pure syntheses that often feed into patented molecules. A peptide manufacturer once shared that racemization from subpar starting material contaminated their final product, leading to delayed batch releases and retesting. Our product avoids these pitfalls.

    Comparative solvent resistance, shelf stability, and analytical clarity all matter in the lab or pilot facility. We optimize crystallization and packaging so that moisture, particle aggregation, or trace contamination stay low. Problems sometimes still arise in the field — a drum dropped, a temperature spike in transport. We support users through replacement policies and tracking the root cause. Each time, we fold the lessons back into our quality manual.

    Regulatory Support In An Increasingly Complex Market

    Documenting the journey of each D(+)-Pipecolinic Acid batch underpins our relationship with regulated customers. Pharmaceutical and GMP operations demand rigorous certificates of analysis, traceable from raw material to finished product. Our facility uses validated SOPs, and our analytical documentation supports both routine research and full regulatory submission. We know reviewers seek evidence backing each step, so we maintain batch archives that allow for reconstruction years after delivery.

    Global supply interruptions and greater scrutiny on material origins mean our vertically integrated approach offers real peace of mind. We maintain in-house synthesis and storage rather than relying on a shifting network of subcontractors. This means our certificate chain never loses detail at handoff, and customers can audit our processes without barrier. For those in the pilot phase preparing regulatory documentation, this access saves both time and risk.

    Solving Practical Challenges in Chemical Supply

    Reliable product supply depends on foresight and direct experience. As demand surged during a recent wave of drug development projects, many producers struggled to maintain consistent output and quality. Drawing on years of logistics management, we keep reserve stock and buffer capacity, so projects don't grind to a halt over a missed lot. By predicting surges and scheduling proactive maintenance, we avoid the cycle of rush orders and disruptive gaps that plague less integrated operations.

    During a raw material shortage last year, one downstream customer needed assurance of uninterrupted supply for a clinical trial. Thanks to our advance planning they received the required lots on time, backed by full documentation right down to storage temperature logs. We don't make claims we can't support, and this focus on transparency has earned us repeat business across continents.

    Continuous Improvement: Investing in Technology and People

    Training and technology investment shape every batch of D(+)-Pipecolinic Acid we manufacture. Our synthesis team sharpened yield and purity by introducing upgraded filtration and drying systems, reducing downtime and transferring those gains directly to customers. Routine analytical calibration keeps standards tight, so we notice small changes before they impact performance. Teams gather regularly to analyze customer feedback, emerging regulations, and upcoming technical literature. This keeps product standards from ossifying and ensures that we keep up as new applications arise.

    Retaining skilled production staff means lines run with fewer errors, and our analysts know how to spot emerging problems before they grow. We've cultivated a culture where continuous self-check and peer review are expected, not obstacles. It is not uncommon for a process improvement sparked by one customer's challenge to ripple across the facility, lifting every product grade higher.

    Knowledge Shared Across Applications

    Customers employ D(+)-Pipecolinic Acid in varied and sometimes unexpected disciplines: medicinal chemistry, peptide science, chiral ligand synthesis, and more. This collective experience refines both our manufacturing priorities and technical advice. Analytical data from customer labs feed into our ongoing process validation, closing the loop between end use and quality management. No theoretical quality model can match the accuracy produced by field feedback over years of real use.

    As regulatory expectations have increased and industrial scale-ups have become more common, we revised our packaging, documentation, and communications to support both the single-bottle researcher and the large-batch procurement manager. Certified, clear origins and ready access to historical data help new customers implement process validation or scale up with minimal delay.

    Innovation Rooted in Practical Challenges

    Customers drive product evolution. The rise of high-throughput screening and continuous flow synthesis pushed us to refine particle size distribution and flowability. We adjusted our drying cycles, increased analytical checkpoints, and piloted new packaging formats based directly on user experience. Academic and commercial groups find our willingness to listen rare in a field sometimes dominated by bulk commodity suppliers. Direct relationships form the foundation of our continued success with this and other compounds.

    Over time, many custom variants have become new catalog items: higher-purity lots for trace analytical work, different forms for mechanistic studies, packaging changes to support automation, and more. By investing in people as well as process controls, we have built an organization grounded in problem-solving rather than one-size-fits-all catalog sales.

    Lessons Learned: Why Reliable D(+)-Pipecolinic Acid Matters

    Accumulating experience makes the difference between a product that simply meets specifications and one that enables discovery, innovation, or commercialization. Our D(+)-Pipecolinic Acid earns repeat business because it solves real-world problems: reducing the variability in synthetic pathways, supporting straightforward regulatory documentation, and preventing unforeseen setbacks in downstream work. Dozens of customers have shared their journey scaling up from milligrams to kilos, always searching for the certainty that comes from material they know and trust.

    Over the years, our organization learned to view each shipment not just as a fulfillment, but as part of the customer’s own chain of critical steps toward discovery, treatment, or innovation. Our ongoing dialogue with project scientists, production chemists, and regulatory managers leads to continuous refinement, and our team sees every return order as confirmation that attention to detail pays off.

    The Way Forward

    We see continued demand for high-quality chiral intermediates, especially as both small and large organizations pursue complex drug targets and advanced materials. Skill at controlling stereochemistry, process purity, and traceability plays a growing role in reaching those goals. Our customers expect — and receive — support rooted in practical experience, transparent documentation, and accountability at every step.

    Producing D(+)-Pipecolinic Acid remains a practical craft shaped by years of lessons, setbacks, and challenges overcome. As expectations grow and science advances, we will continue innovating and investing so that our clients can rely on us for both stability and adaptability. From process ideation to industrial implementation, our team commits to furnishing the chemistry—and the service—behind every successful use of D(+)-Pipecolinic Acid.