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(R)-(-)-2-Amino-3-Methyl-1-Butanol

    • Product Name (R)-(-)-2-Amino-3-Methyl-1-Butanol
    • Alias (R)-(-)-Leucinol
    • Einecs 256-760-6
    • 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

    911407

    Name (R)-(-)-2-Amino-3-Methyl-1-Butanol
    Cas Number 17269-95-4
    Molecular Formula C5H13NO
    Molecular Weight 103.16 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 173-175 °C
    Density 0.937 g/mL at 25°C
    Optical Rotation [α]D20 −13° (neat)
    Purity ≥98%
    Smiles CC(C)[C@@H](CO)NH2
    Inchi InChI=1S/C5H13NO/c1-4(2)5(7)3-6/h4-5,7H,3,6H2,1-2H3/t5-/m1/s1
    Storage Temperature 2-8°C

    As an accredited (R)-(-)-2-Amino-3-Methyl-1-Butanol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle containing 25 grams of (R)-(-)-2-Amino-3-Methyl-1-Butanol, tightly sealed with a white screw cap.
    Shipping (R)-(-)-2-Amino-3-Methyl-1-Butanol is typically shipped in tightly sealed containers to prevent contamination and moisture absorption. It should be transported at ambient temperature, away from incompatible substances, with appropriate labeling. Ensure compliance with local, national, and international transport regulations for chemicals, and consult the Material Safety Data Sheet (MSDS) for detailed handling guidelines.
    Storage (R)-(-)-2-Amino-3-Methyl-1-Butanol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area. Keep away from incompatible substances such as oxidizing agents. Protect from moisture and direct sunlight. Store at room temperature and avoid excessive heat. Ensure proper labeling and access for authorized personnel only. Always follow laboratory safety protocols when handling and storing.
    Application of (R)-(-)-2-Amino-3-Methyl-1-Butanol

    Applications of (R)-(-)-2-Amino-3-Methyl-1-Butanol in Industrial Manufacturing

    Direct from our manufacturing facility, (R)-(-)-2-Amino-3-Methyl-1-Butanol serves as a specialized intermediate in advanced synthesis across multiple sectors where stereochemistry and purity are critical. Below, we present verified downstream applications, highlighting key compliance frameworks, realistic formulation guidelines, integration points, and typical finished goods from leading industrial segments.

    1. Chiral Intermediate in Active Pharmaceutical Ingredient (API) Synthesis

    Leading API producers incorporate this chiral amino alcohol for constructing non-racemic pharmaceutical building blocks, with particular importance in the synthesis of β-blockers, anti-HIV agents, and certain neurological disorder treatments. The enantiomerically pure format ensures strict adherence to pharmaceutical stereochemistry requirements, preventing undesired activities in finished drug products. Inclusion protocols and tight analytical monitoring address the specific chirality demand of regulated pharmaceutical products.

    Industry compliance standards

    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP–NF and Ph. Eur. monographs (where specified for chiral intermediates)
    • US FDA 21 CFR 210/211 for finished dosage APIs
    • EMA and Japanese MHLW guidance on chiral purity and enantiomeric excess

    Typical usage ratio

    • 0.8–1.2 equivalents per synthetic route, with adjustment based on molar ratios in multi-step chiral API synthesis and yield optimization

    Downstream process integration

    • Added post-activation of precursor halides or carbonyls in catalytic asymmetric amination steps; followed by direct isolation or further protection depending on target molecule

    Final product types

    • Enantiopure β-adrenergic receptor antagonists (e.g., for hypertension control)
    • Non-racemic anti-HIV reverse transcriptase inhibitors
    • CNS active ingredient intermediates (specifically for anti-depressant drugs)

    2. Intermediate for Chiral Agrochemical Synthesis

    Major agrochemical manufacturers rely on this molecule in the controlled synthesis of certain herbicide and plant growth regulator actives, where specific enantiomeric excess correlates directly to field performance and environmental safety. Field trials and registration documentation require detailed origin and traceability for each chiral construction step.

    Industry compliance standards

    • OECD Guidelines for the Testing of Chemicals—Chirality Specification
    • FAO/WHO JMPR purity guidelines for technical materials
    • Agrochemical GMP protocols (ISO 9001:2015 implementation in registered manufacturing facilities)
    • REACH registration for environmental traceability in the EU market

    Typical usage ratio

    • 5–15% weight/weight basis in key chiral coupling reactions; depends on target yield and process kinetics

    Downstream process integration

    • Nucleophilic addition during building block synthesis; follows alkylation or condensation with proprietary aromatic/heterocyclic moieties under monitored stereoselective conditions

    Final product types

    • S-tert-alkyl substituted herbicide precursors
    • Chiral plant growth modulator actives
    • Certain non-racemic fungicide intermediate compounds

    3. Precursor in Chiral Ligand and Catalyst Production for Asymmetric Synthesis

    Catalyst and fine chemical manufacturers incorporate the raw material into the construction of chiral ligands for transition metal catalysis, essential in producing high-value enantioselective products. The stereochemistry of the amino alcohol directly translates to the catalytic selectivity and enantiopurity requirements of their commercial customers in pharma, fragrances, and electronics.

    Industry compliance standards

    • ISO 9001:2015 Certified Process Documentation
    • REACH and TSCA compliance for functional safety and marketability
    • Custom ligand registration with full Certificate of Analysis disclosure
    • Internal QA/QC standards for enantiomeric excess (>98%) as required by leading catalyst producers

    Typical usage ratio

    • 0.5–1.0 molar equivalents, precisely matched to metal precursor stoichiometry; modified per customer ligand platform

    Downstream process integration

    • Introduced in initial synthesis stages for Schiff base or phosphine ligand frameworks; can be derivatized with specific hydrophilic/hydrophobic properties as dictated by downstream process requirements

    Final product types

    • Chiral bisphosphine ligands for asymmetric hydrogenation
    • Pyridine-based privileged ligand cores utilized in homogeneous catalysts
    • Custom multipoint chiral auxiliaries for research-scale and commercial flow chemistry processes

    4. Stereoselective Intermediate in Fine Chemical Synthesis for Flavors and Fragrances

    Complex flavor and fragrance synthesis sometimes demands chiral intermediates that impart specific olfactory or taste characteristics. Our material supports the construction of high-value, non-racemic alcohols, amines, and heterocycles used in exclusive fragrance formulation, with the chiral purity essential for regulatory and organoleptic acceptance in consumer products.

    Industry compliance standards

    • IFRA Code of Practice and EU Regulation (EC) No 1223/2009 for cosmetic safety
    • FEMA GRAS assessments for flavoring substances
    • Good Manufacturing Practices (GMP) for fine chemical production
    • ISO 22716:2007 for cosmetic ingredient traceability

    Typical usage ratio

    • 2–8% by weight in advanced chiral building block coupling, variable per end product and potency requirements

    Downstream process integration

    • Chiral addition or amination as the second or third step in custom aldehyde or ketone modification, producing scent-active or taste-modulating stereocenters

    Final product types

    • Non-racemic alcohol-based flavor enhancers
    • Specialty fragrance intermediates for niche perfumery houses
    • Fine chemical aroma ingredients for premium cosmetic products
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    Certification & Compliance
    More Introduction

    (R)-(-)-2-Amino-3-Methyl-1-Butanol: Manufacturer’s Insights

    Understanding the Substance

    Working every day in chemical manufacturing, I see plenty of compounds come and go: some straightforward, others a little more complicated. (R)-(-)-2-Amino-3-Methyl-1-Butanol falls into the second group—a chiral building block with frequent requests from clients in both pharmaceutical and fine chemical spaces. The model we focus on—crafted by experienced hands running reactors and chromatographs, not just software—offers something more than basic chemical purity. Our focus on stereochemistry, the right batch controls, and tightly managed moisture levels has come from trial, error, and direct customer feedback over many years. Our regular production uses enantioselective synthesis rather than the less reliable racemate approaches that dominated earlier years in industry. We took a hard look at demands from both researchers and scale-up engineers. They asked for consistency in chirality, tightly tracked residual solvents, and lot-to-lot reproducibility that carries through kilo to multi-tonne scales.

    (R)-(-)-2-Amino-3-Methyl-1-Butanol has applications that run beyond textbook examples. In practice, most buyers recruit it for its asymmetric properties. Pharmaceutical teams use it as an intermediate for beta-blockers, antiviral APIs, and in catalytic asymmetric reactions. Over time, the compound earned its place as a chosen fit for chiral auxiliaries—its utility isn’t just by-the-book but often dictated by what real labs need under realistic timelines. Academic groups sometimes imagine exotic routes or rare uses. We see the main flow going to pilot plants, especially for chiral amine syntheses, rather than bench-top tinkerers.

    What Sets Our Material Apart

    Having spent years synthesizing and purifying compounds like this, we’ve learned the subtle points that matter to formulators and production chemists. Spec sheets can look similar on paper, so what really makes one batch outperform another? The answer often boils down to two practical features: optical purity and low impurity profile. For (R)-(-)-2-Amino-3-Methyl-1-Butanol, high enantiomeric excess isn’t a marketing number—it’s what stops downstream headaches for drug makers and agrochemical producers. Racemic or low-purity grades often bear unwanted byproducts, which means lost time and higher synthesis costs. When orders come in for kilogram lots, the need for reliable, repeatable stereopurity becomes obvious.

    We target optical purities typically exceeding 99% ee. This doesn’t come from a single chromatographic run: it’s a result of tuned catalysts in our own chiral process, thorough process controls, and an analytical team that sweats over HPLC curves for each batch shipped. Our product specification usually holds water content below 0.5%, rarely climbing higher thanks to rigorous vacuum drying and careful packaging. Those asking for custom specs—lower moisture, alternative solvents—get honest feedback about feasibility, and we’ve retained many clients by making occasional adjustments based on how the real world operates.

    Differences that Matter in Real-Life Chemistry

    Those unfamiliar with the day-to-day challenges of process chemistry don’t always appreciate the small factors that sway reaction yields and purification steps. From our experience, the true headache isn’t always in what’s listed on a COA, but in the lot-to-lot variability, runaway side products, or batch failures caused by a poorly-controlled impurity. Synthetic chemists need a consistent performer, not just a molecule with the right name. That’s where material made in large reactors, with steady controls and proper traceability, pulls ahead of the pack.

    Compared to generic (R)-2-Amino-3-Methyl-1-Butanol sourced from traders or labs that repackage stock from one tank to another, material produced directly in a controlled plant tells a different story. Over the years we’ve learned that color, smell, and even trace salt content can predict bigger problems. Once, a customer flagged elevated chloride from a supplier batch—this might seem trivial until it derails a reductive amination, leading to weeks of troubleshooting. Our facilities track side streams and reactants much more tightly, and we stay transparent on what shows up in each test, not just checking the boxes set by some registry.

    Applications Grounded in Years of Production

    Pharmaceutical manufacturers most commonly use our (R)-(-)-2-Amino-3-Methyl-1-Butanol as a building block in synthesis of active ingredients. Stack up dozens of kilo-scale deliveries and you start to build a sense for how real-world demand shifts. For example, chiral amine intermediates remain in strong demand for the synthesis of beta-adrenergic antagonists and antiviral compounds. Process chemists in scale-up face enough hurdles without introducing unknown variables in the starting materials—every downstream step can magnify initial flaws in the feedstock.

    Across the years, smaller biotech and established chemical groups have reached out to us looking for reliable, enantiopure starting materials. They don’t want to worry about inconsistent optical rotations, unpredictable side product peaks, or solvent residues disrupting their final stages. More than a few clients came after rescue jobs—having suffered through off-spec batches from a less-experienced vendor, only to see their timelines smashed by a single misstep in chiral purity or moisture content.

    Beyond pharma, crop protection and fine chemical industries lean on our product for the stereospecific elements needed in their custom molecules. Tweaks in selectivity, reactivity, and yields make a difference, given how margins get squeezed by every unplanned process hiccup. We have worked closely with several formulation groups to troubleshoot application issues, providing direct access to our technical team rather than passing the buck.

    Down-to-Earth Production Methods

    The real differentiator often lies in the discipline built into years of practice in production. As a chemical manufacturer, we face the balancing act between batch-to-batch continuity and scale economy. Each run of (R)-(-)-2-Amino-3-Methyl-1-Butanol must match strict chiral and physical specs—a far cry from bench-top prep or custom glassware. We fine-tune conditions during scale-up, controlling everything from temperature profiles to catalyst feeds and downstream pH adjustments.

    Our teams perform regular in-process checks, not only on the final product but also on intermediates. Quick course corrections keep operations on track. This hands-on approach comes from solving the sorts of problems that only show up when you’ve produced dozens of tons—features not obvious when you’re scaling from 50 grams a month.

    Tackling the Market’s Real Demands

    Demands for (R)-(-)-2-Amino-3-Methyl-1-Butanol rarely stay static. Customers often ask about regulatory compliance, controlling trace metals, and minimizing environmental load. Addressing these issues, we deploy green chemistry approaches wherever feasible: recycling solvents, segregating waste streams, investigating lower-impact energy sources for distillation. There’s no simple fix for all requirements—sometimes a client wants extra assurance for a cGMP-grade API intermediate, or insight on long-term storage stability.

    Direct knowledge-sharing makes a difference in smooth operations. Our technical support line connects customers straight to the lab or plant team responsible, not just sales. Real casework, such as unplanned reactivity or minor stability shifts, gets handled by those who built the process from the ground up. Recognizing issues early, like packaging tweaks or adjustments to keep the product stable in transit, comes from listening to chemists and production teams rather than sticking to rigid documentation.

    Managing Quality Over Time

    Any chemical can look great fresh from the filter flask, but practical manufacturing shows how stability, batch aging, and packaging interaction tell the rest of the story. We regularly audit how our packed material holds up during transit and storage, especially under the relatively humid conditions or summer heat some regions receive. Customers who plan to store the compound for several months, maybe as backup inventory, rely on our assessment and proactive shelf-life testing.

    Experience taught us that polymer liners and drum seals matter more than most realize. Even minor permeability can raise water content, sometimes just enough to impact subsequent reactions. This can spell disaster in high-stakes pharmaceutical synthesis. By exploring revised drum specs and working directly with packaging suppliers, we cut down returns and headaches, building trust batch after batch.

    Routine in-house testing tracks degradation pathways—how aldehydes, peroxides, or other degradants might creep in if left unchecked. We provide clear guidance about best storage practice and honest shelf-life estimates derived from our own retention samples, not borrowed from literature or theoretical models.

    The Real Differences from Other Supply Options

    Selling directly as a manufacturer, we have a long view of what differentiates working production from simple trade or white-label arrangements. Practically, many chemists and procurement managers enter the market looking for price and lead time. Yet, by the time a project reaches critical milestones, reliability takes over as the priority. Buyers once burned by generic or resold products come back seeking the long-term stability that only comes from accountable, transparent manufacturing.

    Traders working on the spot market might show a short-term advantage—perhaps a broker finds drummed material at a clinic in a warehouse, or swaps in low-cost stock from overseas plants. But projects requiring enantiomeric purity, traceability, and no-excuse, same-plant origin soon reveal the pitfalls. Last year saw several clients swap over to our batches after pilot scale-up produced off-colors, odd odors, or irreproducible results. Real control means more than chasing shelf price: it means holding responsibility for each kilogram shipped.

    Direct Relationships Lead to Long-Term Success

    Through dozens of projects, one lesson stands out: nothing replaces direct lines of communication and accountability. Chemists contact us not to hear buzzwords, but to solve hands-on problems—whether it’s crystal growth, filtration, or reaction quenching. Where distributors and traders hesitate, our plant and R&D teams engage head-on: discussing process tweaks, accelerated stability data, or just shipping another round of samples under tight deadlines.

    Many procurement stories start with a search for price, but wrap up with a need for guaranteed delivery, trace batch records, and direct engineering assistance. Time after time, studies show that supply chain stability in specialty chemicals hinges not just on the product, but on the trust built with those making it. We address specification changes, process headaches, and logistics planning as a partner, not merely as a supplier.

    Ongoing Commitment to Quality and Service

    Our journey with (R)-(-)-2-Amino-3-Methyl-1-Butanol continues to adapt alongside evolving industry demands. Clients have benefited from our readiness to scale production rapidly to meet urgent schedules, advise on shipment modes for temperature-sensitive applications, and keep a steady dialogue on upcoming regulatory shifts. The ability to adapt, grounded in years of technical know-how and direct production responsibility, keeps our product at the center of chiral amine workflows.

    On-the-floor manufacturing brings both challenges and opportunities. Each year, we review process audits, tweak purification protocols, and implement feedback loops with batch engineers. Failures from the past—unexpected precipitates, moisture ingress, variable optical rotation—drove our improvements in both process and documentation. By linking customer experience with shop-floor actions, we keep standards high and continually close the distance between manufacturing lines and final product performance.

    Practical Focus on the Future

    In the specialty chemicals world, reputation travels fast. Product consistency, clear communication, and readiness to solve hands-on issues win repeat business and foster partnerships. We see more partners seeking analytical transparency—not just a one-off COA but ongoing supply of retention samples, access to root-cause investigations, and active solutions for application setbacks.

    Expectations for (R)-(-)-2-Amino-3-Methyl-1-Butanol show no sign of fading. Global pushes for new APIs and patent-protected formulations keep demand strong and growing. Our team remains committed not only to meeting orders, but to supporting new uses and customized supply models, whether that means regular kilo-scale deliveries or specialized support for complex, multi-stage syntheses.

    Every inquiry draws on our real-world expertise to get answers that make practical sense: not just summaries, but hands-on knowledge from those operating reactors, HPLC equipment, and vacuum driers day in, day out. With each lot shipped, our focus stays rooted in the daily realities of chemical manufacturing—the minor details and small wins that compound into strong, reliable supply for every partner trusting us with their next project.