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4'-Piperazinoacetophenone

    • Product Name 4'-Piperazinoacetophenone
    • Alias Pipazethate
    • Einecs 250-730-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    372088

    Chemical Name 4'-Piperazinoacetophenone
    Molecular Formula C12H16N2O
    Molecular Weight 204.27 g/mol
    Cas Number 40932-60-3
    Appearance White to off-white crystalline powder
    Melting Point 98-102°C
    Solubility Soluble in water and organic solvents
    Iupac Name 1-[4-(Piperazin-1-yl)phenyl]ethan-1-one
    Smiles CC(=O)C1=CC=C(C=C1)N2CCNCC2
    Storage Conditions Store in a cool, dry place, away from light and moisture

    As an accredited 4'-Piperazinoacetophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 4'-Piperazinoacetophenone, 25g: Supplied in a sealed, amber glass bottle with tamper-evident cap, labeled with chemical details and hazard warnings.
    Shipping 4'-Piperazinoacetophenone is shipped in sealed, chemical-resistant containers to prevent contamination and moisture exposure. Packages are clearly labeled with hazard information and handled according to standard chemical transport regulations. Shipping is conducted by certified carriers in compliance with local and international guidelines for the safe transport of laboratory chemicals.
    Storage 4'-Piperazinoacetophenone should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Keep away from incompatible substances such as strong oxidizers and acids. Ensure storage conditions prevent excessive heat and minimize exposure to air. Follow all pertinent regulatory and safety guidelines when handling and storing this chemical.
    Application of 4'-Piperazinoacetophenone

    Applications of 4'-Piperazinoacetophenone in Industrial Manufacturing

    As a manufacturer specializing in high-purity 4'-Piperazinoacetophenone, we support downstream sectors with strict requirements for process control, regulatory compliance, and functional performance. Our material integrates directly into several advanced industrial applications, where its molecular structure enables critical chemical transformations and targeted end-use properties.

    1. Pharmaceutical Intermediate for Antipsychotic APIs

    4'-Piperazinoacetophenone functions as an essential intermediate in the synthesis of atypical antipsychotic active pharmaceutical ingredients (APIs), including compounds such as Quetiapine. Process engineers utilize it during key stages of condensation and ring formation. In this application, manufacturers rely on batch traceability, validated synthesis pathways, and documented impurity profiles to ensure primary compliance for regulated markets. Formulation teams adjust usage ratios according to target yield, reaction efficiency, and downstream conversion steps. Precise integration into multi-step reactions ensures control over the structural integrity of the final API.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA Code of Federal Regulations Title 21 Part 211
    • EU GMP Volume 4 Part 2
    • Chinese Pharmacopoeia (where applicable to intermediate stage)

    Typical usage ratio

    • Reaction molar ratio: 1.05–1.10 equivalents relative to the linking core, adjusted for conversion efficiency

    Downstream process integration

    • Introduced after initial synthetic coupling step, prior to final cyclization or functionalization
    • Prepared and dosed under nitrogen or inert atmosphere to maintain purity
    • Analytical verification by HPLC for in-process control
    • Removed by aqueous workup following completion of transformation

    Final product types

    • Antipsychotic drug active substances (e.g., Quetiapine, analogs)
    • Pharmaceutical tablets or capsules from downstream formulation
    • Regulatory submission APIs in pilot and commercial scale
    • Off-patent bulk drugs for global generic supply chains

    2. Intermediate in Specialty Heterocyclic Compounds Synthesis

    Chemical manufacturers use 4'-Piperazinoacetophenone as a tailored building block for heterocyclic compounds, particularly in the production of substituted piperazine derivatives with industrial and research value. Its defined piperazine functionality and acetophenone motif enable targeted nucleophilic substitutions and cyclization reactions under controlled reflux or catalytic conditions. Plant operators and process chemists maintain strict specifications on purity, moisture content, and reaction compatibility to achieve desired selectivity and yield in downstream custom synthesis operations.

    Industry compliance standards

    • ISO 9001:2015 certified quality management systems
    • REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) compliance for European market
    • Hazardous Chemical Safety Management Regulations (China, where applicable)
    • GMP intermediate documentation for export to regulated clients

    Typical usage ratio

    • 10–25% molarity relative to starting aromatic substrates, adjusted for expected coupling efficiency and step yield

    Downstream process integration

    • Dosed during nucleophilic substitution or cyclization stage in batch or semi-batch reactors
    • Compatible with acid/base or transition metal catalyzed protocols
    • Purification through short-path distillation or preparative chromatography as required
    • Intermediate stored under desiccant and light-protected conditions

    Final product types

    • Specialty heterocyclic intermediates for fine chemical libraries
    • Building blocks for agrochemical research and development
    • Analytical standards used in custom assay development
    • Lead compound scaffolds for pharmaceutical discovery

    3. Key Component in Advanced Epoxy Resin Modifiers

    In the polymer and coatings industry, certain manufacturers formulate 4'-Piperazinoacetophenone into epoxy resin modification systems, where it acts as a reactive diluent or chain extender. Its piperazine ring structure fosters enhanced crosslink density, while the acetophenone group provides added flexibility in tuning thermal and chemical resistance. Production chemists control the dosage to balance reactivity, workability, and surface finish for high-performance composites and industrial coatings. Compliance teams follow region-specific chemical inventories and safety management protocols due to the amine content and reactivity profile.

    Industry compliance standards

    • EU REACH registration (when >1 ton/year for European markets)
    • Toxic Substances Control Act (TSCA) Inventory Listing (United States)
    • China New Chemical Substance Notification (MEE Order No. 12)
    • ISO 14001 Environmental Management in production

    Typical usage ratio

    • 0.5–4 weight percent of resin formulation, according to desired curing profile and target resistance

    Downstream process integration

    • Blended into base epoxy system during pre-polymer stage
    • Mixing under controlled temperature with agitation to ensure dispersion
    • Incorporated just prior to catalytic curing or hardener addition
    • Final degassing before mold casting or coating application

    Final product types

    • Heavy-duty corrosion-resistant coatings
    • High-gloss, chemical-resistant floorings
    • Reinforced polymer composites for automotive or electronics
    • Structural adhesives and encapsulants

    4. Precursor for Advanced Analytical Reagents

    Laboratory reagent firms and diagnostic material manufacturers select 4'-Piperazinoacetophenone as a chemical precursor for specialized analytical reagents. Such reagents are integral in LC-MS applications and fluorescent labeling chemistry, where the compound’s structural motifs impart selectivity to downstream detectors or probes. QC experts and analytical chemists require consistently narrow impurity specifications and batch-to-batch homogeneity. Material intake follows strict documented protocols, including certificates of analysis aligned with analytical-grade purity thresholds.

    Industry compliance standards

    • ISO 17034 Reference Material Producer accreditation
    • ISO/IEC 17025 Laboratory Accreditation for analytical grade
    • FDA cGMP for in vitro diagnostic raw materials (where required)
    • Hazard Communication Standard (HCS) 29 CFR 1910.1200

    Typical usage ratio

    • Formulation at 0.1–2 mmol per batch reagent, tailored to final analyte sensitivity

    Downstream process integration

    • Synthesized into labeling or detection probe during first or second synthetic stage
    • Purified by recrystallization or chromatography
    • Packaged under inert gas or vacuum-sealed for shelf stability
    • Distributed for laboratory or kit manufacturing

    Final product types

    • Chromatography reference standards
    • Synthetic fluorescent probes
    • Custom derivatization agents for bioanalytical assays
    • Diagnostic kit components for research and clinical use

    5. Synthesis of Custom Ligands for Metal Complex Catalysts

    Chemical and materials R&D groups synthesize custom piperazine-based ligands using 4'-Piperazinoacetophenone as a key precursor. Coordination chemists exploit the bifunctional nature of the molecule during ligand assembly, achieving tuneable chelation environments for homogeneous or heterogeneous catalyst platforms. Material flows through iterative ligand-coupling, purification, and metal complexation steps, often under Schlenk or drybox conditions to exclude air and moisture. Finished ligands must meet specific metal-to-ligand ratios and microanalysis for downstream process validation.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for specialty chemical synthesis
    • GLP (Good Laboratory Practice) for research output
    • REACH Annex XVII restriction checks for organometallics (if exported)
    • Environmental Protection Agency regulations for catalyst residues (United States)

    Typical usage ratio

    • Ligand precursor: 1–3 equivalents based on target metal center stoichiometry and desired coordination geometry

    Downstream process integration

    • Introduced during initial ligand assembly by condensation or alkylation
    • Undergoes metalation in controlled, inert-atmosphere reactors
    • Purified via preparative HPLC or crystallization
    • Characterized by NMR, elemental analysis, and X-ray crystallography

    Final product types

    • Piperazine-derived ligands for homogeneous transition metal catalysts
    • Organometallic complexes for academic or proprietary industrial research
    • Precatalysts for polymerization or fine chemical synthesis
    • Specialty catalysts for pharmaceutical/intermediate production
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    Certification & Compliance
    More Introduction

    4'-Piperazinoacetophenone: Proven Quality from a Direct Manufacturer’s Perspective

    Understanding 4'-Piperazinoacetophenone in Real-World Production

    Every day in our manufacturing facility, we watch raw materials enter and transform into the fine chemical compounds on which global research labs and pharma companies rely. One such compound, 4'-Piperazinoacetophenone, stands out in our production schedule because of its central role across pharmaceuticals, novel intermediates, and specialty synthesis. Working hands-on with this compound has helped us appreciate not just its chemical structure but also the real challenges and opportunities that come with making it reliably at high purity. The model we produce meets recognized industry specifications, always aiming for ultra-low impurities and predictable batch-to-batch quality.

    The Details Matter: Producing Reliable 4'-Piperazinoacetophenone

    On the shop floor, synthesis repeats itself thousands of times, yet no two batches become routine. Achieving consistently high purity—meeting or exceeding 98% by HPLC, avoiding the most persistent by-products—means practical adjustments at every run. We rely on years of accumulated process knowledge, scaling up conditions that favor correct piperazine ring formation without letting too many side products sneak through the distillation curve. Laboratories sometimes look for 4'-Piperazinoacetophenone with even higher purity for particularly sensitive applications, and we accommodate requests by pushing extended recrystallization steps, despite their added challenge. Titles and numbers printed on a spec sheet don’t show the constant adjustment of temperature, pH drift, or solvent selection we make to keep every kilogram consistent.

    Specifications run deeper than appearance. Our standard product presents as an off-white, crystalline powder, but we monitor moisture and residue on ignition for every batch. End-of-line checks with FTIR and HNMR confirm structure and spot the rarest mismatches. Particle size affects how research users handle the powder, so we document typical distributions based on how the crystallization finishes in each batch. These details matter, as we hear from long-term customers: when they move from a test tube to scaling up, small inconsistencies translate into delays and wasted time.

    How Our 4'-Piperazinoacetophenone Helps Real-World Users

    Most inquiries come from researchers and process development teams who either need this precursor for drug development or are optimizing their own in-house intermediate steps. The piperazine group attached to the acetophenone core makes this molecule a trusted segment in many synthetic sequences. Drug discovery programs discover that 4'-Piperazinoacetophenone allows streamlined coupling reactions, especially in heterocycle extension and amide bond formations. Our production teams have seen demand rise as customers in peptide, CNS-active drug, and anti-microbial development sectors discover uses no one anticipated twenty years ago.

    Though some buyers chase multi-ton lots for pharmaceutical intermediates, we recognize that curiosity and innovation in synthetic labs drive early demand. Small-batch deliveries for pilot work are just as common as requests for full-scale consistency, and we handle both with an attention to documentation and traceability that avoids headaches during scale transitions. Over the years, we have built custom supply relationships—sharing routine analytical results, talking through minor impurities, even tweaking crystallization or drying conditions to limit batch-to-batch variation.

    What Sets This Product Apart

    Over the last decade, we’ve tracked user experience with similar acetophenone derivatives. 4'-Piperazinoacetophenone offers a unique blend of structural flexibility and reactivity that beats out closely related compounds. Unlike para-methyl or para-chloro analogs, the piperazine ring gives straightforward reactivity in both N-alkylation and acylation chemistry, reducing the need for difficult protection-deprotection cycles. Many manufacturers only offer a generic acetophenone base; our customers report that simple substitutions elsewhere on the ring often fail to provide adequate yield or require special conditions not easily reproduced.

    Every time a customer tries to substitute a closely related molecule — like a simple 4-aminoacetophenone or a non-piperazine-substituted variant — they often return to this product because downstream chemistry goes more smoothly. The dual nitrogen atoms in the piperazine ring enhance solubility in polar media and support high selectivity in coupling reactions, letting researchers avoid some of the less environmentally friendly solvents. Our hands-on experience with production and feedback from industrial clients point to fewer false starts in scale-up and less troubleshooting during analytical characterization. While some intermediates leave stubborn residues or interfere with final HPLC analysis in formulation labs, our long-running batches of 4'-Piperazinoacetophenone avoid most of these pitfalls, minimizing purification headaches after key synthetic steps.

    Focusing on Consistency and Batch Integrity

    Our quality team logs every key parameter: the ratio of starting amine, batch timing, solvent recovery efficiency, and final purity by HPLC and GC-MS. This data isn’t just for audits — it feeds a feedback loop that helps us tighten process control. Researchers often see differences in outcome depending on the supplier. We hear stories of slight odor, off-color, or strange solubility that sabotage reactions. Some intermediates degrade quietly during long storage; our formulation includes careful control of both pH and storage moisture to defend against this, confirmed by routine stability studies run in-house for regular shipments.

    Shipping 4'-Piperazinoacetophenone across borders introduces another layer of challenge. Transit time, exposure to changing humidity, and customs delays can affect stability. Over time, we have learned which packaging combinations allow the fewest complaints — from double-lined polyethylene bags to rigid, airtight containers that withstand long ocean crossings. Domestic customers benefit from fresh product, often prepared and dispatched within a week of order — and many make repeat requests because they’ve noticed that switching brands sometimes sets back product development or forces them to troubleshoot unexpected contaminants.

    Feedback Loops: How End-Users Change the Way We Manufacture

    Nothing adjusts production strategy like honest feedback from chemists facing high-stakes projects. We receive detailed emails and calls from bench scientists describing reaction yields, observed side-products, or unusual handling issues. These aren’t abstract complaints — they steer real changes: a tweak to filtration to remove micro-particles, an added concentration check to prevent oversaturated cakes in drying, a rerun of quality checks when a trace impurity spikes above internal allowance.

    Working with long-term customers, we have refined logistics that allow small research teams to receive precise lots for validation, then scale up quickly when they move from laboratory to pilot production. This direct, experience-driven exchange—real conversations about what worked or failed—gives us a crucial edge over traders and re-packagers. We reinvest in better analytical instrumentation and more fine-tuned process controls because we see, batch after batch, how tightly manufacturing experience links to successful end use.

    Handling Challenges Unique to 4'-Piperazinoacetophenone

    One of the persistent challenges in manufacturing is controlling the formation of minor oxidative by-products, which can occur if dissolved oxygen rises above a certain threshold during synthesis or packaging. Instead of treating these as inevitable, we introduced real-time atmospheric monitoring and switched over to less reactive solvents at critical stages. Over several dozen lots, we tracked measurable improvement in shelf-life and minimized transient coloration, which sometimes plagued competitors’ product.

    Scaling up for larger orders brings another layer of complexity. Laboratory protocols rarely translate perfectly to ton-scale runs. Exothermic steps, often manageable at a flask scale, require active temperature control and slower dosing at large volumes. By engineering jacketed reactor systems and staged dosing schedules, we reduce hotspots and uneven conversion which could harm purity. This isn’t just a theoretical improvement—it’s based on direct production mishaps from earlier years, later solved by design changes and process upgrades grounded in documented outcomes.

    Environmental and Regulatory Insights in Context

    Meeting environmental and regulatory expectations isn’t just about ticking boxes; we see regulations as minimum benchmarks, not goals. The solvents recovered from piperazine chemistry are filtered and reprocessed on-site, reducing hazardous waste and lowering both production cost and environmental footprint. Process residue is tracked and neutralized according to local waste legislation, but our experience with persistent organic contaminants has led us to pursue internal targets even stricter than external demands. We keep detailed logs and make the full documentation available for clients whose own purchases support filings with authorities in the pharma and chemical sectors.

    Regulatory trends, such as updates on allowable residuals or new standards for process impurities, prompt rapid internal review and protocol updates. When authorities in key export markets shift allowable metals or solvent limits, we audit all batches in stock and adapt filtration or washing routines on the next cycle. These measures ensure our 4'-Piperazinoacetophenone aligns with future as well as present needs, supporting customers who must answer regulators with confidence.

    Supply Chain Resilience: Lessons from Direct Manufacturing

    The last several years have shown the risks found in unreliable supply chains: transportation disruption, raw material shocks, and unforeseen export controls. As direct producers, we tackle these pressures head-on by securing primary and secondary suppliers for key inputs and by maintaining buffer stocks of both starting materials and the finished compound. By owning the process, we absorb spikes in demand and cushion against interruptions more efficiently than third-party brokers. Feedback from partners pointed out early on that responsiveness matters more than low-bid pricing; repeated, predictable delivery supports research and manufacturing teams who cannot afford to halt critical projects.

    Our logistics teams coordinate with freight partners who understand the unique packaging and documentation needs of 4'-Piperazinoacetophenone. Whether delivering within a single country or completing regulatory paperwork for controlled shipments, we draw on hands-on coordination rather than passing off responsibility. If issues arise—missed rails, transit temperature spikes—we respond with product tracking, replacement, or air shipments, drawing on years of direct problem-solving rather than blaming the chain. In our experience, this forthright approach fosters real trust as repeat buyers demand reliability more than price concessions.

    Continuous Improvements: Applying Experience to Every Batch

    Production of 4'-Piperazinoacetophenone might look routine to outsiders, but every batch teaches new lessons. We collect long-term in-process data to flag emerging variances, investing in upgraded sensors, batch logs, and collaborative troubleshooting. Efforts at digitalization—real-time process analytics, predictive maintenance alerts—now supplement, not replace, the value of hands-on checks throughout synthetic runs. The daily challenges of hopper clogs, stuck filter plates, or runaway crystallizations don’t get solved by software alone. Our senior supervisors maintain direct oversight through every stage, catching small deviations before they become large setbacks.

    Industry partners occasionally visit our facilities. They seek confidence in the process, direct answers about trace components, and proof of responsive troubleshooting. Open sharing of process documentation and retention samples assures them they will recognize the product whether they run a benchtop reaction or pivot to hundreds of liters in a commercial plant. Listening to their teams drives iterative improvements in our own facility—from re-tuning agitator speeds to switching out legacy solvent systems when safer, more effective options become available.

    Adaptation in Pharmaceutical and Specialty Synthesis

    The versatility of 4'-Piperazinoacetophenone shines in real-world synthesis, acting as a reliable anchor in medicinal chemistry projects. Its chemical stability under standard conditions supports extended storage and repeat use, letting formulation labs run longer development cycles without degradation concerns. Our feedback loop includes not just internal checks but also reports from customer R&D centers who observe the compound’s behavior in advanced coupling reactions. Many of these teams build on the base structure, forming targeted ligands, CNS-active fragments, and advanced heterocycles used in drug candidate screens or disease mechanism studies.

    Modifications to our process stem from these evolving industry trends. If researchers shift toward more water-soluble derivatives, we can switch crystallization or salt formation steps to yield product with adjusted solubility. In rare situations where trace metals or by-products threaten downstream efficacy, we re-examine every input — from fresh solvent purification to downstream filtration upgrades. The open flow of information, and willingness to tweak or even overhaul long-standing procedures, lets us meet new demands before they become industry standards.

    No Substitute for Direct Manufacturing Experience

    Navigating the chemical landscape successfully depends on lived experience — not just reading specs off an MSDS, but seeing how every parameter plays out in the field. We remember the early years when scale-up disasters, unmanageable side-products, or packaging failures tested our resolve. Today, we lean on that history to keep every shipment of 4'-Piperazinoacetophenone reliable for the labs and production lines that trust us. No proxy knowledge or outside repackaging substitutes the insight gained under pressure, adapting step-by-step to higher standards and changing industry needs.

    Every order, whether a few hundred grams to a university or a multi-ton request from a multinational, carries the same disciplined process—analytical checks, traceability, and a readiness to work closely with those adapting the molecule to new science. Over years, this discipline and openness—not just price or standard grades—underpin why our 4'-Piperazinoacetophenone has become a staple in advanced research and manufacturing labs. We welcome both new and long-standing partners to challenge us, share their real-world needs, and help drive the next set of manufacturing innovations. Each customer’s success expands the compound’s story and keeps our manufacturing teams pursuing genuine technical progress for every batch turned out of our plant.