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(R)-(-)-1-Methyl-3-Pyrrolidinol

    • Product Name (R)-(-)-1-Methyl-3-Pyrrolidinol
    • Alias (R)-(-)-1-Methyl-3-hydroxypyrrolidine
    • Einecs 629-461-0
    • 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

    535590

    Cas Number 121775-82-6
    Molecular Formula C5H11NO
    Molecular Weight 101.15 g/mol
    Iupac Name (R)-1-methylpyrrolidin-3-ol
    Appearance Colorless to pale yellow liquid
    Boiling Point 207-209 °C (lit.)
    Density 0.956 g/mL at 25 °C
    Optical Rotation [α]D20 -24° (c=2, MeOH)
    Purity Typically ≥98%
    Smiles C[C@@H]1CCNC1O

    As an accredited (R)-(-)-1-Methyl-3-Pyrrolidinol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle labeled with chemical name, 25g quantity, hazard symbols, lot number, and tightly sealed with a screw cap.
    Shipping (R)-(-)-1-Methyl-3-Pyrrolidinol is shipped in tightly sealed containers, protected from light and moisture, under ambient or controlled room temperature. Packaging complies with chemical safety regulations to prevent leakage or contamination. Shipping includes detailed labeling and documentation, ensuring safe handling and compliance with local and international transport guidelines for laboratory chemicals.
    Storage (R)-(-)-1-Methyl-3-Pyrrolidinol should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition. Keep it away from strong oxidizing agents and incompatible materials. Refrigeration at 2–8°C is recommended to ensure stability. Always follow appropriate safety protocols, including proper labeling and secondary containment.
    Application of (R)-(-)-1-Methyl-3-Pyrrolidinol

    Applications of (R)-(-)-1-Methyl-3-Pyrrolidinol in Industrial Manufacturing

    As a direct manufacturer of (R)-(-)-1-Methyl-3-Pyrrolidinol, we supply this chiral intermediate for integration across several regulated downstream industrial fields. This section highlights the main sectors where our material enters proprietary processes, with specific attention to compliance, formulation ratios, and the eventual output products of our partners.

    1. Pharmaceutical Chiral Intermediate Synthesis

    (R)-(-)-1-Methyl-3-Pyrrolidinol is widely adopted in the pharmaceutical industry for the asymmetric synthesis of active pharmaceutical ingredients (APIs), especially for enantioselective construction of beta-blockers and psychoactive agents. Our process-qualified batches are used during early- and late-stage synthesis, allowing API manufacturers to meet strict enantiomeric purity requirements in final formulations. Customers rely on this raw material for azetidinone, pyrrolidine, and beta-lactam synthesis routes, integrating it before final drug crystallization and purification steps.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 210/211
    • EU cGMP EudraLex Volume 4
    • ICH Q3A Impurities Guideline

    Typical usage ratio

    • Reference range: 0.2–1.8 molar equivalents per API synthetic step
    • Ratio depends on chemoselectivity and batch reactor scale

    Downstream process integration

    • Charged directly in asymmetric amination or transamination steps
    • Employed in chiral pool synthesis as a key starting material
    • Used immediately prior to purification and crystallization of the intermediate

    Final product types

    • Chiral beta-blocker intermediates (e.g., Esmolol)
    • Psychoactive compound intermediates
    • Certified GMP-grade APIs
    • Custom enantiopure pharmaceutical building blocks

    2. Agrochemical Synthesis of Fungicide Precursors

    Leading agrochemical formulation plants utilize (R)-(-)-1-Methyl-3-Pyrrolidinol as a chiral synthon in the production of highly effective fungicide intermediates. The molecule’s stereochemistry is essential for downstream acylation yielding asymmetric pyrrolidone structures, commonly used in modern crop protection. Our material is introduced during early-stage process steps, ensuring batch traceability and structural specification required by agrochemical registration regimes.

    Industry compliance standards

    • FAO/WHO Specifications and Evaluations for Agricultural Pesticides
    • China GB 2763 Pesticide Residue Regulation
    • ISO 9001:2015 Quality Management Systems
    • REACH Registration for industrial chemical use in EU

    Typical usage ratio

    • 0.5–2.0% w/w based on batch size and product conversion pathway
    • Adjusted to target enantiopurity in final technical concentrate

    Downstream process integration

    • Input during the alkylation or acylation stage of fungicide intermediate synthesis
    • Reacted in closed reactor systems before formulation of technical concentrate
    • Bypassed in inert solvents to prevent racemization

    Final product types

    • Asymmetric pyrrolidone-based fungicide intermediates
    • Precursor to technical crop protection actives
    • Registered fungicidal seed coating agents

    3. Fine Chemical Synthesis of Pyrrolidine-Based Catalysts

    Specialty fine chemical producers incorporate our material to synthesize advanced pyrrolidine ligands and enantioselective catalysts, widely used for asymmetric catalysis in organic synthesis. This application focuses on catalyst R&D and upscaled commercial manufacturing where strict control of chiral purity and process contaminants is critical. Our product undergoes stringent analytical verification at entry points to ensure performance in high-value catalyst applications.

    Industry compliance standards

    • ISO 17025 Laboratory Accreditation for Analytical Testing
    • ISO 14001 Environmental Management Systems
    • Chemical control as per GHS and local transport regulations

    Typical usage ratio

    • 0.1–0.8 mol equivalents relative to target pyrrolidine ring system
    • Fine-tuned per catalyst batch scale and target stereochemistry

    Downstream process integration

    • Reacted in controlled condensation or cyclization steps
    • Undergoes purification and analysis before catalyst assembly
    • Introduced at early synthesis for tight chiral control

    Final product types

    • Pyrrolidine-ligated homogeneous catalysts
    • Chiral organocatalysts for organic transformations
    • Catalyst precursors for fine chemical R&D

    4. API Impurity Profiling and Analytical Standards Production

    Several GMP and analytical companies utilize our chiral pyrrolidinol as a reference standard during development of impurity profiling methods for pharmaceutical QC laboratories. We supply this item with full batch traceability and chromatographic profile documentation, enabling downstream users to calibrate HPLC and chiral GC assays for pharmaceutical enantiomers. Entry timing and quantity depend on the analytical protocol under development.

    Industry compliance standards

    • USP/NF Reference Standards Program
    • Ph. Eur. Reference Substances Framework
    • ICH Q2 Validation of Analytical Procedures
    • ISO 17034 General Requirements for Reference Material Producers

    Typical usage ratio

    • 0.1–10 mg per analytical batch, scaled by sensitivity and detection range
    • Calibration levels determined by HPLC/GC system requirements

    Downstream process integration

    • Used as chiral standard in system suitability and method validation
    • Spiked into sample matrices for recovery studies
    • Applied in combined impurity profiling workflows

    Final product types

    • Certified reference standards for pharma QC labs
    • Analytical calibrators for HPLC or chiral GC
    • Impurity marker compounds in dossier submissions
    Free Quote

    Competitive (R)-(-)-1-Methyl-3-Pyrrolidinol prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    (R)-(-)-1-Methyl-3-Pyrrolidinol: A Closer Look from the Manufacturer’s Bench

    Introduction and Real-World Experience

    Manufacturing specialty chemicals isn’t just about chemistry. It’s about, day after day, getting the details right on the line and at the reactor. Products like (R)-(-)-1-Methyl-3-Pyrrolidinol don’t just fall out of the sky — their consistency, purity, and usability come from thoughtful process choices, hands-on lab work, and a close relationship with our customers’ expectations. Years in this field teach you where little impurities creep in, how small process tweaks affect the outcome, where the needs of R&D labs clash with the requirements of large-scale synthesis. This way, you don’t just tick off boxes on a product sheet: you help chemists, formulators, and engineers get the results they need because you’ve lived through their struggles.

    The Chemistry that Matters

    Let’s talk about (R)-(-)-1-Methyl-3-Pyrrolidinol — known to some simply as chiral 1-methylpyrrolidinol. Chemists look for this compound for its chirality and its ability to participate in a range of synthetic routes. As a manufacturer, the main focus is keeping the (R) enantiomer pure, making sure the optical rotation is exactly as specified batch after batch, so downstream reactions run as expected and patents stay protected.

    This particular molecule stands out because of the way its stereochemistry impacts final outcomes in chiral synthesis. We’ve spent countless man-hours fine-tuning crystallization, watching columns, optimizing temperatures so that both small-scale batches and multi-kilo productions give you the same answer when you put the polarimeter in your hand. We look closely for diastereomeric and enantiomeric impurities, because in this field, even trace amounts can knock an API or catalyst preparation off course.

    Performance Under Real Conditions

    What separates (R)-(-)-1-Methyl-3-Pyrrolidinol from the pack isn’t just the chiral purity, though that sits at the foundation of every credible batch. The next layer is reproducibility — running 10 g for a research order or 5 kg for a pilot plant. From a manufacturer’s perspective, this involves constant monitoring of key parameters: water content, residual solvents, density and melting point, GC/MS impurity profiles. Our lab staff knows the minor side products that can show up and how to keep them out. It’s the nuts and bolts of what actual users need — clean spectra, low moisture, and materials that behave in their glassware the way they should.

    The approach here is straightforward. Real control of input reagents, process steps, and storage means each drum or bottle moves through the line with the right traceability. Our team uses enantioselective synthesis routes, optical rotation checked after isolation, and rigorous cleanup. You can count on the numbers; we check with proven analytical methods and share the actual instrument traces on request.

    What (R)-(-)-1-Methyl-3-Pyrrolidinol Brings to the Table

    This compound isn’t a commodity. It’s not used as a solvent or a bulk additive that disappears in the background. Its primary attraction lies in asymmetric synthesis — serving as a building block, chiral auxiliary, or intermediate for pharmaceuticals, natural product research, and occasionally advanced materials. The (R) configuration opens up applications that cannot use a racemic or contaminated sample. Synthetic chemists see a difference when they draw new routes, especially for chiral amine or lactam-containing molecules. Our own customers have shared results confirming that low-level contaminants that might pass in racemic bulk grade just ruin high-selectivity catalytic steps or final enantiopurity. That’s a reality that never appears in standard marketing language; it’s what comes up on the phone or email at midnight when scale-up hits a bottleneck.

    Getting a project off the ground with this material means you don’t have to troubleshoot a starting point — you can focus on your actual end-goal without rolling back to fix someone else’s drift in purity or wrong-handed synthesis. In direct terms, we make sure the material’s rotation, melting point, and NMR profile land inside the window every customer expects. Clients working on chiral drug synthesis or fine-tuning a new active ingredient don’t have time for “close enough.” They need to hit specifications on every batch, and that’s what repeat orders from major research centers and pharma groups reflect.

    Specifications, Not Just for the Sake of Paperwork

    Specifications mean more, in practice, than numbers on a certificate. In our own production lines, two things matter above all: keeping enantiomeric excess at the top level and holding impurities down. For this compound, our standard process delivers (R) enantiomeric purity greater than 98%, often reaching 99+%. We routinely measure optical rotation using calibrated polarimeters aligned to national standards. Solvent residues stay low, since vacuum drying and proper storage prevent contamination. Water content, checked by Karl Fischer titration, stays within the limits demanded by rigorous research and production.

    Other critical data points include melting point range, color, and impurity profile. Batch records are not only maintained — they’re checked by chemists who scrutinize each one before a drum leaves our dock. This isn’t for regulatory box-ticking. At scale, flaws during one run can magnify over time; we handle this by keeping each lot documented, with samples retained for repeat analysis if needed. That way, customers trust that the physical sample matches the paperwork year after year.

    How Our Experience Shapes What Customers Actually Get

    Through years in the specialty manufacturing space, I’ve seen how expectations shift over time. Early on, requests often came in for small research batches, with high interest in price per gram. As developments advanced, requests for a consistent 1 kg or more at tight specs increased — especially as specialty pharma and advanced materials ramped up. Our on-site team adapted production, adding in-line monitoring and post-processing checks so those changes never caught anyone off guard.

    Some customers, especially those moving from lab to pilot scale, worry about the risk of switching suppliers. They voice concerns about delays, variability, or unresponsive follow-up. Our manufacturing process always builds in redundancy — parallel lines, back-up reagent reserves, qualified staffing for 24/7 operation — and active communication. If any parameter falls outside the promised window, we tell customers before they discover it themselves. Transparency about process, lots, and deviations saves everyone time and headaches. Being open about manufacturing realities is a big part of why clients come back.

    What Sets Our (R)-(-)-1-Methyl-3-Pyrrolidinol Apart

    Many labs and procurement teams compare products by price and published specifications. Those can tell you simple things: claimed purity, chiral excess, solvent residues. But there’s an unseen layer that builds trust — timely delivery, honest updates during production, willingness to share detailed data, and help troubleshooting. We often work with new customers who come to us after batches from others have failed quality checks or stopped reactors due to undetected by-products. They tell us the difference is in being able to speak with people who actually know the process — lab chemists, QA staff, operations managers — not a sales middleman.

    This compound presents unique handling challenges: sensitivity to oxygen, potential for degradation under incorrect storage, the danger of cross-contamination with its (S) isomer or other closely related building blocks. We take steps to eliminate cross-over — separate glassware, distinct storage, batch records that track every stage. These are details from years on the floor, not undefined platitudes from a catalog. We respond directly to customer inquiries about lot records, storage temperatures, or even out-of-the-ordinary questions like shipping timing during holidays.

    Case Studies: Lessons Learned on Sourcing and Manufacturing

    Real-world lessons from the floor include several memorable cases. One pharma partner pushed a key drug candidate to pilot trials, only to discover that a previous supplier provided (R)-(-)-1-Methyl-3-Pyrrolidinol with undetected ~2% (S) impurity. The compound’s enantiomeric excess on paper matched their minimum spec, but only because the test method didn’t resolve a late-appearing impurity. Their team spent months unraveling the cause of low selectivity in a downstream step before chiral HPLC data from our archive showed what cheaper methods had missed.

    Another frequent issue — especially for international customers — concerns shipping and customs. Specialty chemicals with chiral requirements sometimes sit in customs offices, exposed to fluctuating temperatures and delays. We’ve built packaging and pre-shipment stabilization into our routine, and double-wrap our containers against moisture, air, or accidental exposure. This may sound minor. But it means users receive the same usable batch that left our QC area. We absorb these extra process steps because, in the long run, complaints or failed syntheses cost everyone more. Our mix of technical depth and real-world logistics comes from years in the game, not just a day-one checklist.

    Comparing with Alternatives and Lower-GRADE Materials

    Alternative sources of (R)-(-)-1-Methyl-3-Pyrrolidinol often point to cost advantages or easy delivery. The true test comes in high-stakes syntheses, regulatory filings, and IP protection. Materials with lower enantiomeric purity, inconsistent water content, or small spectral anomalies can slip through under batch “averages.” We invest in batch-by-batch validation and use reference standards to ensure nothing gets missed in split peaks or ambiguous readings.

    Some users have tried racemic mixtures for initial method development or for less demanding tests. Our experience shows that chiral applications rapidly hit walls — off-target products, diminished yields, regulatory agency flags, and wasted reagents. With this specialty compound, overlooking detail carries downstream risks for months and, in the worst case, for full product lines. Reliable production and fast troubleshooting cut those risks to almost zero. Our team is ready to discuss the science or the routine — not as a sideline, but as our main job.

    Why Usage Experience Shapes Real-World Value

    Theory and published results only go so far. Synthetic routes live or die not just on paper but on how materials behave in a busy lab. (R)-(-)-1-Methyl-3-Pyrrolidinol brings specific properties, and our own experience helps users get full value from each order. We talk new users through optimal handling, storage, weighing, and transfer, especially under scaled-up batch conditions. Advice doesn’t end at “store cool and dry” — we explain possible trace moisture effects, solubility tips, and what to expect if the material has sat a bit too long on a warm shelf. Many clients have avoided last-minute setbacks because a real chemist picked up the call, not a quoting bot.

    Feedback from users often points to extended shelf-life, less batch-to-batch adjustment, and more predictable synthetic results compared to less controlled products. In early days, incoming calls focused on spectral data and documentation — these days, customers ask about supply chain reliability, production rate flexibility, and disaster backup plans. We respond the same way we always have: with actual process know-how, living records, and honest answers.

    Our Perspective on the Path Forward

    (R)-(-)-1-Methyl-3-Pyrrolidinol will continue to matter where chirality counts, especially as researchers chase new targets and production pressures rise. Manufacturing to a higher standard isn’t about ticking off specifications. It’s about understanding upstream chemistry, fielding customer questions with experience, and standing by products batch after batch.

    We remain involved in every stage, from upstream sourcing to downstream troubleshooting. Our product doesn’t live in a marketing vacuum; it runs through glassware, reactors, and regulatory filings every week. We welcome tough questions and detailed requests. For those developing the next chiral molecule or pushing synthesis beyond the limits, we offer more than just material. We offer realistic, transparent, hands-on partnership straight from the manufacturer's bench.