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(S)-(+)-2-Methylpiperazine

    • Product Name (S)-(+)-2-Methylpiperazine
    • Alias (S)-(+)-2-Methylhexahydropyrazine
    • Einecs 676-141-8
    • 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

    131303

    Cas Number 73874-95-0
    Molecular Formula C5H12N2
    Molecular Weight 100.16 g/mol
    Iupac Name (S)-2-Methylpiperazine
    Appearance Colorless to light yellow liquid
    Boiling Point 169-170°C at 760 mmHg
    Melting Point -30°C (approximate)
    Optical Rotation +41° (c=1, H2O)
    Purity Typically ≥98%
    Storage Conditions Store at 2-8°C, keep container tightly closed

    As an accredited (S)-(+)-2-Methylpiperazine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing (S)-(+)-2-Methylpiperazine is supplied in a 25g amber glass bottle with a secure screw cap and a detailed product label.
    Shipping (S)-(+)-2-Methylpiperazine is shipped in tightly sealed containers designed for chemical safety. It is packaged to prevent leaks or contamination and labeled according to international regulations. The chemical is transported by certified carriers, complying with applicable hazardous material guidelines to ensure safe delivery and handling at the destination.
    Storage (S)-(+)-2-Methylpiperazine should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible materials such as strong oxidizers and acids. Protect from light, heat, and moisture. Ensure containers are clearly labeled and stored at room temperature. Follow all relevant safety and chemical hygiene procedures when handling and storing this compound.
    Application of (S)-(+)-2-Methylpiperazine

    Applications of (S)-(+)-2-Methylpiperazine in Industrial Manufacturing

    As a specialized producer of (S)-(+)-2-Methylpiperazine, we supply this advanced chiral diamine intermediate to highly regulated industries for high-value synthesis and production. The following key industrial segments represent the main real-world application scenarios of this material, with process-integrated advantages for downstream manufacturers seeking consistency, regulatory compliance, and proven performance.

    1. Chiral Pharmaceutical Active Ingredient Synthesis

    This material serves as a core chiral building block in small molecule pharmaceutical synthesis, especially where asymmetric centers impact the safety, efficacy, and regulatory acceptance of final drug substances. Leading API manufacturers rely on its enantiopurity to enable efficient asymmetric synthesis, particularly for piperazine-containing molecules in CNS and oncology drug pipelines. (S)-(+)-2-Methylpiperazine enters the synthetic route at the chiral amination or cyclization stage, allowing direct scale-up from bench to cGMP commercial processes. Quality assurance teams rigorously audit incoming raw material compliance to underpin batch release and regulatory submissions.

    Industry compliance standards

    • ICH Q7 and EU GMP for APIs
    • 21 CFR Part 210/211 (US FDA Good Manufacturing Practice)
    • Ph. Eur./USP/JP reference standards where applicable to chiral intermediates
    • ICH Q3A/B for impurity profiles

    Typical usage ratio

    • Employed at 0.8–1.2 molar equivalents depending on downstream substrate; exact charge adjusted based on the required yield and the targeted enantiopurity of the final API intermediate

    Downstream process integration

    • Added during enantioselective amination or substituted piperazine ring construction
    • Integrated post-coupling or cyclization steps for chiral control
    • Subjected to repeated in-process chiral purity testing (HPLC/GC) by quality teams

    Final product types

    • Chiral piperazine API intermediates
    • Pharmaceutical actives for CNS drugs (e.g., certain antidepressants, antipsychotics)
    • Anticancer small molecules containing chiral piperazine
    • Patent-protected pipeline APIs

    2. Advanced Agrochemical Intermediate Production

    Agrochemical synthesis demands high-purity chiral intermediates to optimize bioactivity and regulatory acceptance. (S)-(+)-2-Methylpiperazine is integrated in the synthesis of selective pesticide actives, especially for herbicides and fungicides with piperazinyl substructures, valued for plant compatibility and field efficacy. Downstream manufacturers depend on our controlled stereochemistry to avoid unwanted isomers, which can trigger regulatory concerns. Strict compliance with agrochemical GMP standards and traceability of chiral sources ensures market access in Europe, North America, and Asia-Pacific.

    Industry compliance standards

    • FAO/WHO pesticide specifications
    • ISO 9001:2015-certified supply chain
    • REACH registration and CLP hazard communication (EU)
    • EPA 40 CFR Part 158 data requirements for active ingredients (US)

    Typical usage ratio

    • Ranges from 1.0–1.5 eq in coupling reactions for chiral agrochemical target scaffolds; ratio adjusted to optimize conversion and cost-in-use based on bulk manufacturing operations

    Downstream process integration

    • Added at the enantioselective step for precursor synthesis of herbicides/fungicides
    • Direct drop-in to chiral piperazine-containing intermediates
    • Subjected to process scale validation and impurity mapping per batch

    Final product types

    • Chiral agrochemical actives (e.g., fungicides with piperazine rings)
    • Precursor compounds for selective herbicide analogs
    • Chiral intermediates used in crop protection R&D
    • Patent-backed pesticide technical concentrates

    3. Specialty Polymer Curing Agent Manufacturing

    This chiral piperazine derivative serves as a diamine curing agent and crosslinker in the formulation of advanced specialty polymers, including epoxy and polyamide resins for electronics and performance coatings. Its defined stereochemistry reduces crystallinity and modulates thermal-mechanical properties critical for microelectronics encapsulation and aerospace composites. Downstream compounders introduce the amine at the prepolymer or curing phase, ensuring performance reproducibility for industrial-scale production. Internal QC ensures the substance meets stringent monomer/curing agent impurity specifications imposed by high-reliability customers.

    Industry compliance standards

    • IEC 61249 and IPC-4101 (electronic laminate standards)
    • ISO 9001:2015 for polymer and resin manufacturing
    • RoHS/REACH compliance for polymers in EU electronics
    • ASTM D1655 for specialty coatings and composites

    Typical usage ratio

    • Provided at 2–8 wt% relative to epoxy resin systems; precise ratio set through lab-scale cure studies to optimize pot life and crosslink density

    Downstream process integration

    • Added at room or elevated temperature directly to pre-polymer blends
    • Used in post-cure or co-curing steps for multi-functional epoxy/polyamide matrices
    • Subject to in-process viscosity, cure speed, and mechanical property QC testing

    Final product types

    • Microelectronics encapsulation resins
    • Aerospace composite prepregs and adhesives
    • Heat- and chemical-resistant specialty coatings
    • Low-bleed, high-reliability circuit board substrates

    4. Chemical Specialty Building Blocks for Research and Fine Chemical Synthesis

    R&D laboratories and fine chemical manufacturers use (S)-(+)-2-Methylpiperazine as a specialty building block for creating advanced libraries of chiral compounds, screening tools, and protected intermediates. Its specific enantiomeric form allows custom synthesis of small molecule probes and high-value intermediates for biotech and pharmaceutical innovation pipelines. Procurement teams require archived documentation for regulatory audits and method validation batches, reinforcing traceability and audit-readiness.

    Industry compliance standards

    • ISO 9001:2015 for laboratory reagent quality
    • GLP (Good Laboratory Practice) for R&D sample and reference standards
    • GHS/CLP hazard labeling for laboratory and pilot plant inventory
    • Supply documentation aligned with ICH Q2 (analytical method validation)

    Typical usage ratio

    • Flexible, typically 0.5–1.5 molar equivalents per designed research route; the batch size and usage depend on custom synthesis yield and target scaffold complexity

    Downstream process integration

    • Charged during early screening and hit-to-lead optimization in combinatorial synthesis
    • Employed at scale-up for reference sample production
    • Utilized in pilot studies subject to purity and chiral integrity batch QC

    Final product types

    • Synthetic reference standards
    • Screening compound libraries for pharma and biotech clients
    • Protected chiral intermediates for downstream coupling
    • Custom fine chemicals for contract R&D

    5. High-Purity Intermediate for Diagnostic Reagent Synthesis

    Producers of specialty diagnostic reagents incorporate (S)-(+)-2-Methylpiperazine as a chiral amine input in the synthesis of selective buffer agents, molecular probes, and modified enzyme substrates. The material’s verified enantiopurity and batch-to-batch consistency facilitate high-sensitivity labeling and detection chemistries for clinical and environmental diagnostic platforms. Integration typically occurs under highly controlled, documented process environments to assure conformity with IVD and research reagent standards.

    Industry compliance standards

    • ISO 13485:2016 for medical device and diagnostic reagent quality systems
    • CLSI/NCCLS (Clinical Laboratory Standards Institute) reference methods
    • FDA 21 CFR Part 820 for diagnostic raw material traceability (US)
    • REACH registration for substances in EU/UK diagnostics

    Typical usage ratio

    • Between 0.2–0.6 molar eq per substrate in buffer or labeling reactions; loading adjusted per end-user detection sensitivity and reagent composition purpose

    Downstream process integration

    • Charged during the synthesis/derivatization stage for buffer and detection probe assembly
    • Subject to post-reaction chiral purity confirmation for each lot release
    • Used in scale-up to bulk diagnostic raw materials under clean conditions

    Final product types

    • Enzyme activity assay substrates
    • Molecular probe kits for clinical and environmental diagnostics
    • Specialty buffer solutions for IVD platforms
    • Reagent components for immunochemistry and molecular biology kits
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    Certification & Compliance
    More Introduction

    (S)-(+)-2-Methylpiperazine: Direct from the Manufacturer

    Getting to the Roots of Specialty Amines

    Our work with (S)-(+)-2-Methylpiperazine began over a decade ago in response to the demand for selective chiral building blocks in both chemical research and process-scale applications. As manufacturers with hands-on lab and plant experience, we noticed a gap: many available piperazines came through convoluted supply chains, and the traceability of enantiomeric purity often suffered along the way. We scaled up our proprietary asymmetric synthesis to ensure that every batch achieves a consistently high enantiomeric excess (ee), with each lot verified by chiral HPLC in-house. Over the years, requests from pharmaceutical innovators and advanced materials scientists sharpened our approach. Instead of stopping at reliable supply, we built our process to allow for custom runs at varying scales—stretching from gram-level lab needs to tonnage for commercial partners.

    Model, Specifications, and Real-world Performance

    Our (S)-(+)-2-Methylpiperazine comes in a range of purities, with our standard model consistently surpassing 98% chemical purity, chiral excess above 99%, and moisture content kept below trace levels thanks to rigid in-process controls. We found earlier on that minor impurities, which some suppliers ignore, can interfere with downstream reactions—particularly in sensitive catalytic applications. Deep lab work taught us which solvents or storage conditions can trigger racemization, so we reinforced our purification and packaging steps accordingly. We ship this molecule in sealed amber glass or specially lined steel drums, based on size, always with lot-specific characterization data so researchers and production chemists know exactly what they’re working with.

    This approach matters in more than sterile theory—our technical liaisons have seen production choke points caused by less controlled material. By keeping our specifications strict and our supply direct, project chemists save time recalibrating methods and enjoy predictable yields batch after batch.

    Matching Product to Real Applications

    Working with (S)-(+)-2-Methylpiperazine goes beyond just offering a chiral intermediate. Our own pilot plant has put this molecule through its paces in pathways relevant to both drug discovery and specialty coatings. Medicinal chemistry teams value the enantiopure scaffold for producing various APIs, where even minor stereochemical drift can render libraries useless or compromise activity. We’ve supplied multi-kilogram lots to scale-up campaigns developing kinase inhibitors, CNS actives, and chiral auxiliaries, where stringent regulatory expectations demand full traceability from raw material to finished substance.

    We have also paired with partners pushing boundaries in polymer modification and advanced materials. Here, the fixed chirality of our (S)-isomer can tune packing, solubility, or surface interactions in final products. Some clients have shown us how racemic or poorly separated piperazines throw off the structure-property relationship they need for next-generation bio-compatible resins or specialty surfactants. Instead of generic, catch-all supply, we deliver batches dialed in for each project, working together to adjust purity, water content, and even particle size for those who need it.

    Not All Piperazines Are Created Equal: What Sets Our Product Apart

    From the start, we noticed broad market confusion about piperazines. Low-resolution offerings often blur the crucial difference between chiral and achiral materials. Many traders out there list (S)-2-Methylpiperazine next to the racemic or (R)-enantiomer without clear distinction, or worse, neglect to guard against cross-contamination. In our facility, we use dedicated production lines—eliminating the risk of mixing enantiomers and safeguarding against cross-over with related diamines.

    Breaking free from convention means we avoid blanket processes used for generic piperazines. Generic routes can leave behind more than just traces of starting materials or side products, especially for runs scaled beyond analytical batches. We optimized both isolation and purification, working alongside our QC teams as well as project partners. Instead of relying on generic spec sheets, we supply live batch data—chiral analysis, water by Karl Fischer, and residual solvent profiles specific to our (S)-isomer process. We’ve learned that this level of transparency builds solid trust with both regulatory auditors and R&D teams chasing tight formulation targets.

    Delivering Confidence to Research and Industry

    Every run of (S)-(+)-2-Methylpiperazine starts with a clean, traceable input stream and a process honed by hundreds of campaigns. Over the years, we’ve encountered unexpected variables—such as batch-to-batch fluctuations caused by supplier inconsistency in ancillary reagents. Maintaining our own validated protocol and reserving back-up lots of key inputs guard against these headaches. We hold to regular audit routines, and when a new challenge appears, our on-site analytic lab steps up analysis—side-by-side with customer requests for tailored certificates.

    Feedback from researchers working in both discovery and scale-up reveals where others fall short. Bottlenecks from barely-there chirality data or insufficient documentation create delays or failed QC in drug development pipelines. Our engagement with cross-disciplinary R&D teams tuned our own operations to preempt such gaps, offering full chain-of-custody summaries and open consultation from molecule selection through shipping and post-delivery support. By keeping everything under one roof, from synthesis to QA to distribution, we eliminate the root causes of many sourcing and quality issues.

    What We’ve Learned: Process Adjustments from Real-world Collaboration

    Joint projects with partners in pharmaceuticals, fine chemistry, and materials science changed many elements of our production philosophy. Early on, rigid purification cut-off points created waste and cost that didn’t always match end-user needs. For applications where ultra-high purity is critical, such as in chiral pharmaceutical synthesis, we fine-tuned reflux ratios, solvent choices, and drying protocols—sometimes at the cost of yield, but always in the interest of zero-compromise. For high-throughput screening work, where quick turnaround for intermediate-scale batches matters more, we dialed in a process that balances cost and purity by working with clients to define accept/reject criteria before starting.

    The open exchange between our process engineers and customer teams drives constant improvement. We track every customer specification revision and feed those lessons back into our manufacturing SOPs. For example, switching over to greener solvents for a leading biotechnology firm not only met external sustainability goals but also simplified post-processing and improved worker safety. Discovering that stalling polymerization reactions were traced back to microcontaminants in a batch pushed our QC to set even tighter acceptance levels than published pharmacopoeia standards.

    Beyond Specifications: The Value of Direct Manufacturer Relationships

    Purchasing from us puts you in direct connection with the people making the product. We’ve seen projects nearly derailed by piperazine batches sourced without traceability, where every delay meant lost time for the end user and production headaches for us as well. Working without a middleman gives both sides a chance to be open about intended use, projected timelines, and hurdle points around regulatory or technical approvals. In our experience, this transparency allows us to flag potential mismatches early—before a single drum leaves the plant.

    Customers with complex or shifting needs benefit most from this engagement. If a process calls for tailored documentation, alternate packaging, or last-minute schedule shifts, our in-house specialists mobilize quickly. Over the years, we’ve navigated transport logistics in tight regulatory environments, implemented material changes on the fly, and tracked down sources of obscure impurities that, in a different system, might take months to resolve through chain-of-custody handoffs. This whole lifecycle approach—from first synthesis to post-delivery stability monitoring—grew out of hard-won experience supplying demanding projects in both regulated and emerging markets.

    Differentiation in a Crowded Market

    Generic chemistry supply often falls short where stereochemical precision and material integrity count. We’re committed to continuous engagement with both new researchers and long-term partners. Not every process calls for extreme chiral purity or exhaustive documentation, but across the development pipeline, reliable data, fast response, and consistency matter. Our process isn’t frozen. The feedback we hear from fermentation specialists one month feeds plant changes for an agrochemical producer the next. We respond in real-time to field discoveries, not months after an issue costs someone downstream productivity.

    Over years of direct feedback, we learned to sidestep the problems that crop up from batch variability and mislabeling—issues that haunt researchers in crowded marketplaces. Some clients highlight supply-side headaches caused by intermediaries lacking technical insight or facing language barriers with remote manufacturers. We counter this by putting our process engineers on direct call, skipping endless back-and-forth, and digging into technical problems side by side until a real solution emerges. This is especially crucial with complex molecules like chiral piperazines, where a single detail in the supply story can tip a whole campaign.

    Mitigating Supply Chain Uncertainty

    The chemical marketplace can be unpredictably turbulent: freight delays, shifting compliance rules, or weather-driven disruptions can all hit schedules. Our in-house stock buffers, real-time QMS tracking, and redundant raw material sourcing help control the uncontrollable. Maintaining direct relationships with both producers and key downstream users acts as a stabilizer; by planning ahead, both sides gain agility to move resources where most needed.

    Unanticipated interruptions don’t have to halt projects. In the past, we’ve tapped back-up pools of high-purity starting materials, reconfigured production schedules, and fast-tracked certifications for accelerated drug approval pathways. Each surge in demand or last-minute turn sparks fresh collaboration with both clients and our workforce. The lessons we draw from these tests ultimately strengthen our readiness for whatever comes next—whether it’s evolving compliance standards, supply shocks, or the next leap in drug design or material science.

    Why the Origin of Your (S)-(+)-2-Methylpiperazine Matters

    Researchers and product managers feel the ripple effects of poorly sourced intermediates—missed project deadlines, inconsistent quality, and hours lost troubleshooting material issues. In fields where trace chiral drift or micro-residuals matter, trusting your builder molecules to generalized supply chains or commoditized sources barely holds up. By choosing a manufacturer who both makes and understands the chemistry, projects cut uncertainty. The empirical knowledge we’ve earned producing, testing, and troubleshooting (S)-(+)-2-Methylpiperazine finds its way into each discussion, each customization, and each delivered batch.

    Our doors remain open to problem-solving at every stage—from development to pilot production and on to commercial scale. The difference is clear to anyone tired of re-qualifying inconsistent supply, re-writing project methods, or stalling critical deadlines while searching for answers outside their team. We build every relationship the way we build our chemistry: directly, transparently, and with full ownership of each variable.

    Working Ahead: Meeting Future Challenges Together

    As innovation in pharmaceuticals and specialty materials accelerates, the spotlight only grows brighter on building blocks like (S)-(+)-2-Methylpiperazine. Regulatory expectations become stricter, integration into high-value chemical space grows more sophisticated, and new fields—from smart polymers to enantioselective catalysts—keep surfacing challenges no data sheet alone can solve. Our team continues rapid iterations alongside industry leaders, sharing in the success and learning from every hard-fought advance or setback.

    We stay engaged with regulatory bodies, technical societies, and industry consortia so our materials and documentation exceed minimum requirements. Lessons from a complex CMC filing last year now shape how we bundle lot release documentation for similar projects. By tracking outcomes—good and bad—over years and bringing those findings into technical consultations, we help users avoid old traps while building their next generation of products.

    Final Thoughts: Chemistry Built on Real Experience

    Manufacturing (S)-(+)-2-Methylpiperazine at scale, and at a level of quality trusted by researchers at the forefront of their fields, brings its share of challenges and rewards. Rather than serve up generic intermediates, we commit to understanding real applications, learning from user experience, and feeding that practical knowledge right back into every lot produced. Our record is built on direct accountability, from technical discussions through production and delivery. Each kilogram that leaves our facility reflects a shared pursuit of progress—one grounded in technical rigor, transparency, and total commitment to the needs of those pushing chemistry forward.