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1-Cyclopentylpiperazine

    • Product Name 1-Cyclopentylpiperazine
    • Alias CPP
    • Einecs 608-231-6
    • 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
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    Specifications

    HS Code

    493199

    Chemicalname 1-Cyclopentylpiperazine
    Casnumber 78629-61-1
    Molecularformula C9H18N2
    Molecularweight 154.26
    Appearance Colorless to light yellow liquid
    Boilingpoint 263.7 °C at 760 mmHg
    Density 0.97 g/cm3
    Meltingpoint -40 °C (approximate)
    Solubility Soluble in water and most organic solvents
    Refractiveindex 1.493 (estimated)
    Flashpoint 113.1 °C
    Pubchemcid 10321578

    As an accredited 1-Cyclopentylpiperazine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 100g amber glass bottle of 1-Cyclopentylpiperazine, securely sealed with a screw cap and labeled with safety and hazard information.
    Shipping 1-Cyclopentylpiperazine is shipped in tightly sealed containers, compliant with chemical safety regulations. The product is packed to prevent leaks or contamination and is accompanied by appropriate labeling and documentation. During transit, the chemical is stored in a cool, dry place and protected from physical damage, heat, and incompatible substances.
    Storage 1-Cyclopentylpiperazine should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Keep the container clearly labeled and out of direct sunlight. Ensure secondary containment to prevent spills and restrict access to trained personnel only. Store at room temperature unless otherwise specified.
    Application of 1-Cyclopentylpiperazine

    Applications of 1-Cyclopentylpiperazine in Industrial Manufacturing

    As a direct manufacturer, we supply high-purity 1-Cyclopentylpiperazine to leading industrial segments where this intermediate offers essential performance benefits in specialty chemical synthesis. The following strictly selected application scenarios reflect our experience supporting formulation, compliance, and integration for downstream partners in pharmaceuticals, agrochemicals, and material science.

    1. Pharmaceutical API Intermediate for Antidepressant Synthesis

    Branded pharmaceutical companies and CDMOs use our 1-Cyclopentylpiperazine as a core building block in the multi-stage synthesis of piperazine-based antidepressant APIs. This intermediate supports construction of the piperazine moiety in active molecules, offering optimal compatibility with downstream alkylation and acylation steps. Integrators apply controlled addition to maximize yield, minimize impurities, and ensure batch-to-batch reproducibility as required by finished dosage regulatory filings.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • EU GMP Part II (APIs)
    • USP & EP monographs (where applicable to target API)
    • REACH regulation (for EU-bound shipments)

    Typical usage ratio

    • 0.8–1.2 molar equivalents per target API batch, adjusted based on side-chain requirements and stoichiometry control.

    Downstream process integration

    • Introduced at the condensation or cyclization step to form core pharmacophores, followed by purification and subsequent derivatization.

    Final product types

    • Antidepressant active pharmaceutical ingredients (e.g., piperazine-derivative drugs)
    • Generic API intermediates for CNS applications
    • Custom contract-manufactured pharmaceutical intermediates

    2. Agrochemical Intermediate for Fungicide and Herbicide Synthesis

    Major agrochemical formulators utilize this material as a selective ring-building synthon during the preparation of novel triazole-based and piperazine-derived fungicidal or herbicidal actives. Its use in downstream synthesis enhances ligand frameworks which increase target binding performance and active stability, while strict traceability enables compliance with agricultural chemical approvals.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP) for agrochemical R&D
    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS) guidance
    • Chinese ICAMA registration protocols
    • REACH & EU PPP (Plant Protection Products Regulation, EC 1107/2009) for European downstream products

    Typical usage ratio

    • 0.9–1.3 eq per synthetic cycle, depending on route selectivity and subsequent functionalization.

    Downstream process integration

    • Employed during nucleophilic substitution or cyclization reactions to attach the piperazine ring prior to final crop-protection active ingredient assembly.

    Final product types

    • Systemic fungicides (triazole-piperazine classes)
    • Herbicidal active ingredient intermediates
    • Technical-grade pesticide actives for formulation plants

    3. Chemical Intermediate for Advanced Polymer Additive Synthesis

    Specialty polymer manufacturers leverage the reactivity of this material to incorporate piperazine-based structures into advanced additives that improve film flexibility, antistatic properties, and chemical resilience. Direct reaction with epoxides or isocyanates enables creation of tailored oligomeric linkers or chain stoppers, often under cleanroom or semi-batch conditions to conform to high-performance plastic standards.

    Industry compliance standards

    • ISO 9001:2015 for specialty chemical production
    • EU REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals)
    • RoHS (Restriction of Hazardous Substances) for polymer additives in electronic applications
    • FDA 21 CFR 177 (for indirect food contact polymers, where applicable and if downstream processed by the end user)

    Typical usage ratio

    • 2–8% by weight of total additive formulation, depending on the target molecular weight and additive function.

    Downstream process integration

    • Added at the prepolymer or chain modification step during additive synthesis, followed by neutralization and extrusion or dispersal into polymer masterbatches.

    Final product types

    • Antistatic polymer additives
    • Flexible polyurethane modifiers
    • High-resilience plastic packaging films

    4. Building Block for Active Ingredient Synthesis in Specialty Coatings

    Formulators in the specialty coatings sector employ our material to synthesize functionalized amine hardeners and cure accelerators. Its cyclic amine structure imparts controlled basicity and steric profile, directly influencing cure time, adhesion, and chemical resistance in epoxy, polyurethane, and hybrid coating systems. Rigorous supplier documentation ensures traceability during audits and quality reviews in this regulated market segment.

    Industry compliance standards

    • ISO 12944 for protective paint systems
    • REACH compliance for raw material approval in European coatings
    • ASTM D16 standards for paint and related coatings
    • APEO-free/low-VOC certifications depending on the end-user environment

    Typical usage ratio

    • 1.5–5% by weight of total hardener or accelerator formulation, adjusted for targeted pot life and crosslinking density.

    Downstream process integration

    • Incorporated during prepolymer mixing or as a late-stage additive prior to final blending and dispersion for functional coating formulation.

    Final product types

    • Epoxy curing agents
    • Polyurethane coating hardeners
    • Chemically resistant industrial floor coatings
    • Corrosion-protective metal primers
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    Certification & Compliance
    More Introduction

    Introducing 1-Cyclopentylpiperazine: A Proven Building Block for Chemical Industries

    Unveiling the Value of 1-Cyclopentylpiperazine

    Every day in our work, the heartbeat of innovation comes straight off the reactor floor. 1-Cyclopentylpiperazine, known among chemists by its chemistry-rooted name, has earned its standing as a reliable backbone in both research and manufacturing. Over the years, as we’ve scaled up our output, this compound has found a place not only in research labs but at the core of scaled-up development. By staying close to the synthesis process, we’ve witnessed its strengths first hand — especially in specialty applications where more common piperazine derivatives simply don’t measure up.

    Model and Specifications Rooted in Real-World Use

    We produce 1-Cyclopentylpiperazine in response to the repeated needs of pharmaceutical innovators, agrochemical formulators, and custom synthesis teams. Tradition calls for making clean intermediates that lend themselves to further manipulation. Standard output comes as a colorless to pale-yellow liquid or low-melting solid, depending on the batch size and ambient conditions in the plant. Purity consistently checks out at above 98 percent, with typical moisture control achieved through attention on the last distillation step rather than just post-processing checks. Throughout the production cycle, our team monitors by both GC and NMR to ensure each lot suits its destined purpose — either as an API precursor or an advanced intermediate.

    Chemically, this compound distinguishes itself through the presence of a cyclopentyl group attached to the piperazine ring, a feature that sets it apart from the common methyl or ethyl analogs that oversaturate the market shelves. Our batches routinely satisfy requirements for controlled levels of residual solvents, and we accommodate solid or liquid form preferences, depending on downstream process compatibility. Years of handling feedback from formulation chemists has shaped our packaging approach: we use sealed, inert gas-packed glass or fluorinated plastic to reduce cross-contamination — all based on practical results we’ve observed, not just paperwork.

    What Drives its Demand?

    Demand for 1-Cyclopentylpiperazine grew as innovative manufacturers needed to move beyond simple piperazine rings. The cyclopentyl attachment imparts physical and chemical characteristics that can strongly influence solubility, lipophilicity, and metabolic profiles. Our partners in med-chem often come to us looking for this compound as a platform to access next-generation CNS candidates, where the steric bulk and cyclic arrangement help tune biological interactions. Over many campaigns of scale-up, our in-process quality control revealed just how much a consistent compound profile aids in reproducible results — be it in kilogram-scale custom synthesis or multi-ton projects.

    From an agrochemical standpoint, our team fields requests where researchers need a basic framework that can support biocidal or herbicidal moieties. We’ve repeatedly observed that the cyclopentyl substitution helps confer stability in certain environments, standing up to hydrolysis or oxidative degradation where smaller groups might not persist. Feedback from pilot plant trials often points to increased shelf-life or enhanced field activity when people incorporate this backbone. These aren’t claims we make lightly — our own technical staff collects samples from every campaign and shares detailed analysis with the application teams to make sure our product upholds the real-world results our customers have come to expect.

    1-Cyclopentylpiperazine: More Than a Commodity

    Manufacturing this product brings practical challenges you can’t gloss over on a datasheet. Early on, we learned that using standard hydrogenation techniques led to inconsistent impurity profiles, especially when the input feedstock didn’t meet tight standards. One batch years ago drove the point home when downstream teams found sticky residues in a reactor load. Since then, we shifted our own upstream feedstock verification and shortened transit times to storage. Anyone who’s run a jacketed reactor in August heat or tried to control moisture content during a spell of high humidity will share our respect for disciplined process controls. Only by seeing the product into the drum with our own team can we claim that each lot offers the same starting point for your next reaction step.

    Being in the thick of manufacturing, we’ve also seen that consistency weighs more in long-term partnerships than shaving pennies off material cost. One of our regular API partners described how, after swapping to our 1-Cyclopentylpiperazine in their flow set-up, yield reproducibility improved across multiple pilot runs. Tight control over byproduct content reduced purification headaches later on, cutting weeks off their development cycle. These stories inspire us to keep refining not just test reports but practical, ground-level process tweaks.

    What Makes 1-Cyclopentylpiperazine Stand Apart

    Other piperazine derivatives on the market offer simpler substitutions. Methyl, ethyl, or phenyl groups crop up everywhere, but not every modification delivers the same effect in performance molecules or industrial processes. Our long-standing synthesis line has shown that the five-membered ring of cyclopentyl modifies the electronic and steric environment of the piperazine core in a distinct way. This isn’t just textbook chemistry — we’ve watched how solubility shifts across different solvents, how handling properties favor fluid dispensing in automated systems, and how intermediates formed from our product tend to resist hydrolytic cleavage under tough conditions.

    Some chemists come to us after running into reproducibility problems using more common substitutes. In process screening, they realize that 1-Cyclopentylpiperazine unlocks new pathways or streamlines purification by preventing off-pathway reactions. These aren’t just lab curiosities, but lessons that grew out of hard-earned years in scale-up and tech transfer. Packaging sheds light on this as well. Bulk chemistry has its surprises — some variants flow too freely, others clump or degrade with trace exposure to air. Our double-sealed containers came about precisely because we lost a load once to premature discoloration in an old stainless drum. That batch was still safe but failed color specs, showing us that practical changes inside the plant can genuinely influence what you achieve later in formulation.

    Trust Earned on the Production Line

    Most customers aren’t looking for theoretical purity or catalog claims. They need products that arrive with both chemical integrity and documentation to back it up. Each batch leaves our site with a trail of chromatograms, NMR reports, and hands-on blending and filling records from the same crew that’s managed this line for years. On plenty of occasions, regulatory questions rolled in about residual solvents or minor impurities—so we work with full transparency, providing the raw analytical data drawn directly off our own instruments. Documentation ties back to real plant runs; nothing gets adjusted post hoc or glossed over for convenience.

    Experience on the production floor tells us that a product like 1-Cyclopentylpiperazine isn’t simply another rung on the supply chain. Its physical stability, compatibility with a range of solvents, and resistance to storage stress all build up from careful handling and on-the-ground expertise. We don’t shy from revisiting a process step, either — only this year, a slight adjustment in reaction temperature helped us shave impurities and improved downstream filtration. Listening to both longtime process operators and end-users has proven every bit as valuable as any consultant’s report.

    Safety, Handling, and Traceability — Built from Practice

    Over the years, we learned that customer trust grows with real evidence of safe handling and consistent shipment quality. Plant-floor staff handle every shipment as if it’s bound for their own research line, following time-tested protocols for containment and documentation. We never take process shortcuts, since even a small deviation could ripple into a synthesizer’s workflow and tie up a production schedule. This hands-on approach reduces accidental cross-contamination and makes recalls all but unheard of on our side.

    We work with regulatory compliance rooted in evidence. All our batch records are updated in real time, and archives go back to the first lots we ever made. Our team regularly reviews accident logs and feeds findings back into the training routines for younger operators. Those lessons continue shaping how we do things — from storage temperature choices to packaging seals and shipping methods.

    Practical Guidance on Application

    Customers rely on our experience for more than just shipping product. Our technical team frequently fields questions about optimizing 1-Cyclopentylpiperazine as a precursor for small-molecule synthesis, specialty polymers, or as a scaffold for targeted delivery systems. We remind buyers: the cyclopentyl group holds more than mere bulk — it often supports pathway selectivity or process efficiency not easily matched by shorter chain analogs. Years of process feedback confirm it helps suppress competing side reactions, especially under catalytic hydrogenation or selective alkylation conditions.

    More than once, troubleshooting sessions in customers’ labs have highlighted that switching to our product resolved stagnated yields or unwanted byproducts. This is not just a lucky break; careful attention at every manufacturing step pays off far downstream, right through to final API or agrochemical product launch.

    Environmental Footprint and Waste Minimization

    Based on real outcomes, waste handling represents one of the most persistent challenges in specialty chemicals. As we reviewed the lifecycle footprint of 1-Cyclopentylpiperazine, practical adjustments to process design became obvious. We switched to less hazardous extraction solvents and recycled rinse waters by investing in on-site purification — moves that now save thousands of liters per month from landfill. These aren’t glossy claims — records track every tank of waste and its final processing outcome.

    We encourage our partners to review their own solvent and wash protocols, since small changes made in the plant or lab can quickly add up to major environmental benefits. Our position allows us to share these details openly, closing the loop with downstream teams to reduce their own disposal requirements.

    Long Experience Shapes Every Batch

    Generations of experience inform our daily work. Staff members who started on the bottling line now serve as shift supervisors, passing on the knowledge of what makes a good batch versus a stellar one. Operators recognize subtle changes in viscosity or color at a glance. These observations don’t just serve as backstories—they materially influence testing and release criteria, adding a human sense check to even the most sophisticated analytical instruments.

    Feedback from major research organizations often highlights this difference. Over the years, as research groups around the world have come to rely on our 1-Cyclopentylpiperazine as a known, trusted input, we’ve learned how much they value certainty. Changes in lot-to-lot color, smell, or even slight variations in reactivity can spell trouble for complex synthesis. Addressing these concerns has meant meticulous control not just in analytical chemistry but in everyday process management and shipping logistics.

    Comparison to Other Piperazine Derivatives

    Familiarity with the piperazine core structure runs deep in chemical manufacturing. As a manufacturer, we know firsthand how different substituents affect properties and downstream utility. Compared to the more commonplace methyl-, ethyl-, or phenylpiperazines, 1-Cyclopentylpiperazine stands out for the cyclic structure’s impact on steric hindrance and chemical reactivity in further transformations.

    Our lab teams ran dozens of head-to-head reactivity screens against simple piperazine analogs. The cyclopentyl group not only introduces a different hydrophobic face but also resists some of the N-oxidation, N-alkylation, or ring-opening side reactions found with linear chain modifications. This allows greater predictability for those developing new drugs or specialty materials. Chemists benefit when they can depend on reaction outcomes, especially in scale-up. We’ve seen customers use our compound as a foundation for developing ligands in catalysis, as well as side-chain modification for molecular probes, giving them options not available with plainer structures.

    Handling and storage further reveal distinctions. The robust cyclic group seems to guard against premature hydrolysis and atmospheric oxidation — phenomena traceable back through years of in-house stability trials. Rather than seeing degraded product or variable tints appear after months in storage, our controlled shipments continue to hold up, giving users confidence for the long term.

    Future Outlook Based on Practical Realities

    Developing and manufacturing 1-Cyclopentylpiperazine has taught us that meeting new challenges means revisiting old assumptions. As molecular design evolves in sectors like pharmaceuticals, specialty coatings, and materials science, demand for more diverse and reliable building blocks rises. Our job isn’t just scaling up an old process but embedding flexibility, transparency, and regulation-readiness that protects innovation at every step.

    In our view, the future holds more emphasis on supply chain reliability and compositional proof. The spread of digital inventory tracking and real-time QC analytics makes this expectation both possible and necessary. We have already begun implementing in-process, machine-learning assisted quality checkpoints, offering customers direct access to live process data — not just end-of-batch testing. This commitment traces back to lessons learned on the ground, where the smallest overlooked variable can sideline months of downstream development work.

    Supporting Chemists’ Aspirations, One Batch at a Time

    Chemistry relies on trust in both molecules and people. Over the years, our focus on detail, communication, and hands-on experience has forged deep ties with researchers and production experts worldwide. Their feedback shapes how we run our plant today. Each lot of 1-Cyclopentylpiperazine reflects our ongoing commitment to progress by learning, real dialogue about changing needs, and full accountability for the material bearing our stamp.

    Working with this compound from synthesis through final shipment, we’ve tackled stubborn challenges: stubborn trace impurities, variable storage performance, harsh weather disruptions, regulatory revisions, fluctuating raw material supplies, and intricate customer requirements. Solving these problems demanded both technical skill and adaptability. As a result, the product leaving our site today consistently achieves high marks for performance, traceability, and reliability.

    For those venturing into new chemical frontiers, tackling scale-up, or seeking a stable foundation for next-generation compounds, experience on the manufacturing floor shows why 1-Cyclopentylpiperazine deserves a place in the conversation. By delivering more than just material — by ensuring consistency, safety, traceability, and real, shared learning — we make sure that chemists everywhere can keep moving forward.