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Eprazinone Dihydrochloride

    • Product Name Eprazinone Dihydrochloride
    • Alias Eprazinon Dihydrochloride
    • Einecs 68123-41-5
    • 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

    258695

    chemical_name Eprazinone Dihydrochloride
    cas_number 3118-97-6
    molecular_formula C18H23Cl2N3O
    molecular_weight 372.31 g/mol
    appearance White or off-white powder
    solubility Soluble in water
    purity Typically ≥98%
    storage_conditions Store at 2-8°C, away from light and moisture
    therapeutic_use Expectorant, antitussive
    mechanism_of_action Relieves cough by acting on bronchial secretions
    synonyms Eprazinone hydrochloride, Prorazone dihydrochloride
    melting_point About 188°C (decomposes)
    route_of_administration Oral
    brand_names Prorazone, Epex

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

    Packing & Storage
    Packing Eprazinone Dihydrochloride, 25g, supplied in a sealed amber glass bottle with a tamper-evident cap and clear labeling.
    Shipping Eprazinone Dihydrochloride is shipped in tightly sealed, clearly labeled containers that comply with regulatory standards. It should be protected from moisture, heat, and direct sunlight. During transit, it is handled as a non-hazardous chemical, with appropriate documentation, using standard measures to prevent spillage, degradation, or contamination.
    Storage Eprazinone Dihydrochloride should be stored in a tightly closed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at room temperature (15–25°C). Avoid exposure to incompatible substances and keep away from sources of ignition or heat. Ensure proper labeling and restrict access to authorized personnel only.
    Application of Eprazinone Dihydrochloride

    Applications of Eprazinone Dihydrochloride in Industrial Manufacturing

    Eprazinone Dihydrochloride serves as a vital active pharmaceutical ingredient and intermediate for several downstream manufacturing sectors, each with highly specialized requirements for quality, process integration, and compliance. As a primary producer of this compound, we support industry clients in precise formulation and processing across tightly regulated fields.

    1. Cough Suppressant Formulation for Prescription Syrups

    Cough-suppressing formulations utilize Eprazinone Dihydrochloride for its proven mucoactive and antitussive properties. Leading pharmaceutical manufacturers integrate this raw material into syrup preparations for adult and pediatric use, requiring careful control of purity and dosage according to strict pharmacopoeial criteria. Quality assurance includes comprehensive batch record-keeping and adherence to validated analytical methods to ensure safety and efficacy from raw input through final bottling.

    Industry compliance standards

    • European Pharmacopoeia (Ph. Eur.) monographs for APIs
    • Good Manufacturing Practice (GMP, ICH Q7)
    • EMA and FDA regulations for finished dosage forms
    • ICH Q3A/B/C for impurities and control of residual solvents

    Typical usage ratio

    • 0.5 to 1.5 mg/mL, based on therapeutic indication and targeted end-user population; dosage varies according to final registration dossier and regional prescribing guidelines

    Downstream process integration

    • Introduced during the active blending stage, after aqueous solution preparation and prior to pH adjustment; follows through filtration, dosing, and preservation steps before bottling and QC release

    Final product types

    • Prescription cough relief syrups (adult and pediatric)
    • Combination antitussive/mucolytic oral liquids

    2. Tablet and Pill Manufacturing for Respiratory Product Lines

    Health product suppliers formulate solid oral dosage forms with Eprazinone Dihydrochloride as a primary or adjunct active. The solid-state manufacturing pipeline demands precise content uniformity and rigorous process validation, with particular attention to compression, coating, and stability protocol. Managing the ingredient’s physical and chemical properties at scale reduces capping, lamination, and dissolution profile deviations during high-speed production.

    Industry compliance standards

    • United States Pharmacopoeia (USP) for APIs and solid dosage forms
    • WHO Prequalification standards for international supply
    • ISO 9001:2015 for pharmaceutical manufacturing
    • Pharmaceutical Inspection Co-operation Scheme (PIC/S) GMP

    Typical usage ratio

    • 5 mg to 100 mg per tablet or pill, determined by indicated strength and local labeling requirements; formulation adjustments consider excipient compatibility and target release profile

    Downstream process integration

    • Blending directly with binders, disintegrants, and fillers prior to granulation; followed by compression, optional film coating, and in-process QC for weight and assay uniformity

    Final product types

    • Antitussive and expectorant tablets
    • Respiratory health chewable or dispersible pills

    3. Pediatric Suspension Preparations in Specialty Pharmacies

    Pediatric oral suspensions require Eprazinone Dihydrochloride in finely micronized form to prevent sedimentation and enable accurate dosing. Formulation teams focus on stability and palatability, often incorporating flavor masking agents. Risk management protocols include cross-contamination controls and comprehensive validation of re-suspension properties. Regulatory submissions must document excipient safety and finished product stability data in prescribed formats.

    Industry compliance standards

    • European Medicines Agency (EMA) guidelines for pediatric medicines
    • International Council for Harmonisation (ICH Q1A) for stability studies
    • National Pharmacopoeias (Ph. Eur., USP, BP) for suspension formulations
    • Pediatric Formulation Quality Systems (Paediatric Regulation EC No 1901/2006)

    Typical usage ratio

    • 0.2–1.0 mg/mL, tailored for safe pediatric dosing; actual ratio finalized by manufacturer after palatability and stability assessments

    Downstream process integration

    • Post-sterilization incorporation into suspension media, followed by high-shear homogenization; completed with in-container mixing and fill-finish operations under aseptic or controlled conditions

    Final product types

    • Pediatric cough and cold oral suspensions
    • Ready-to-dispense mucolytic pediatric liquids

    4. Combination Respiratory Products with Multi-Active Formulation

    Combination therapies for advanced respiratory applications often require Eprazinone Dihydrochloride as one of several actives in both over-the-counter and prescription products. Formulators must address potential physical and chemical interactions among multiple actives, as well as regulatory concerns regarding safety data for the combination. Process workflow requires precise sequence of ingredient addition and robust in-process control mechanisms, with batch release dependent on multivariate analysis for potency, purity, and stability.

    Industry compliance standards

    • National Health Surveillance Agency (ANVISA, Brazil) and corresponding international filings for combination therapeutics
    • ICH M4: Common Technical Document (CTD) for registration of pharmaceuticals for human use
    • Directive 2001/83/EC for medicinal products in the European Union
    • Good Clinical Practice (GCP) compliance for supporting clinical data

    Typical usage ratio

    • Varies from 5–75 mg per dosage unit, depending on synergistic profiles with other active pharmaceuticals; formulation optimized after combination stability and compatibility studies

    Downstream process integration

    • Incorporated during wet or dry granulation, based on compatibility with co-processed actives; followed by precision blending, compaction, and adapted finishing steps for final dosage form

    Final product types

    • Fixed-dose combination tablets with expectorants or antihistamines
    • Multi-symptom cough syrup blends
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    Certification & Compliance
    More Introduction

    Eprazinone Dihydrochloride: An Insider’s Perspective from the Manufacturer

    Years in Chemical Manufacturing: What Eprazinone Dihydrochloride Really Offers

    Stepping into the factory every morning, we get a first-hand look at each chemical that leaves our site. Some products we make fade into the background. Others, like Eprazinone Dihydrochloride, rise up because real needs push them forward. Much of the interest for this compound connects to its recognized use as a smooth muscle relaxant in respiratory medicine. The backbone of its value comes from reliability and production consistency, more so than slick marketing slogans. Our team keeps focus on strict, batch-tested production processes, as customers across pharmaceutical sectors rely on exact content and reproducibility. There’s no margin for error when working with medication-grade ingredients.

    What Sets Our Eprazinone Dihydrochloride Apart

    Quality rests on more than paperwork. It depends on the hands and equipment that handle every single kilogram. Our Eprazinone Dihydrochloride production follows systematic process controls for crystallization, drying, and milling. These details seem simple, but any technician will tell you—consistency in appearance and assay matters most. Each batch leaves our floor with a well-defined crystalline structure. Impurities stay tightly restricted well below pharmaceutical standards. Moisture content, bulk density, and melting point undergo constant checks, in line with standards expected in European and Asian pharmaceutical industries. Our team logs every finding, alert to patterns. This attention helps avoid surprises at customer labs.

    Eprazinone Dihydrochloride: Reliable Ingredient for Solid Dosage Forms

    Countless drug manufacturers depend on us for a steady pipeline of active pharmaceutical ingredients. In the case of Eprazinone Dihydrochloride, tablets and capsules form the most common dosage formats. Our thinking is simple: each tablet deserves a homogeneous, flowable, free-from-contaminant API as its base. That drives our choice to refine crystal size, avoiding sticky or clumpy powder that would gum up high-speed tablet compression. It’s not enough to meet minimum specs—we track how changes in particle shape affect end-user granulation or blending. We design our batches for maximum predictability in large-scale manufacturing, bridging the gap between laboratory success and full-scale output.

    API Purity: Every Decimal Point Counts

    Any chemist working near a QA lab knows the importance of purity. Eprazinone Dihydrochloride’s value to the respiratory sector rests on this single trait. Trace impurities, including residual solvents or byproducts, can ripple into product recalls or worse. Our on-site HPLC and GC equipment run daily, and our standards for allowable impurity levels mirror those required for the toughest regulatory reviews. Some would assume this effort stems from compliance checks alone. In reality, it comes from experience. We’ve watched what happens when inferior batches enter downstream supply chains. We prevent problems before they take root.

    Batch Traceability and Authenticity

    Manufacturers often talk about transparency, but not all take the same route. We engrain batch traceability from the raw chemical drums to the final, finished API. The minute a new Eprazinone Dihydrochloride batch launches, its travel route—from reactor to cleanroom to warehouse—is charted. Every technical report, QC certificate, and chromatogram gets locked to its lot number. If a customer flags a physical or analytical concern, our records remain accessible. This approach didn’t happen by accident. After earlier industry scares and faked APIs reaching the market, we rethought every documentation link, because trust in chemical sourcing can’t rely on paperwork alone.

    Comparisons: Eprazinone Dihydrochloride and Other Bronchodilators

    For end-users, Eprazinone Dihydrochloride looks similar to dozens of API powders used in respiratory drugs. But its properties carry unique features: particular solubility in water and ethanol, stability at normal humidity ranges, and targeted action on bronchial smooth muscle. Through production, we measure differences between this compound and others—guanidine-based agents, methylxanthines, or basic expectorants. Our customers tell us they notice faster onset of clinical effect in finished medicines, while reduced bitterness and improved tablet formability give downstream benefit. The ingredient’s chloride salt structure means longer shelf-life under ambient storage, sidestepping degradation risks that haunt some sulfhydryl-based chemicals. Our choice to specialize in Eprazinone Dihydrochloride grew from these concrete differences, not just market demand. It’s not just ‘another white powder’—minute but crucial distinctions play out during scaling up production or running stability tests in the warehouse.

    Fine-Tuning Specifications for Real-World Applications

    A big part of our daily work means talking to formulation scientists, not just procurement managers. These scientists need materials that behave as promised in formulation lines. Eprazinone Dihydrochloride draws consistent interest because our specification refinement aims past the pharmacopoeial baseline. Tight controls over residual solvent levels—or even the right bulk density curve—help our product pass directly into fluid-bed granulation or direct compression. We’ve worked through enough pilot audits to see how slightly different flow properties end up affecting blending, compaction, or finished product uniformity. While regulatory text describes broad criteria, field use reveals what truly counts. This bridge between specification and field behavior is one we cross with every shipment.

    Stability in Transport and Storage

    A perfect batch means nothing if it changes hands twice and fails before reaching its final destination. Our Eprazinone Dihydrochloride regularly ships thousands of kilometers overseas, sometimes through mixed climate zones and fluctuating humidity. We learned years ago not to underestimate the risks of moisture or volatile organic ingress. By switching to double-sealed, nitrogen-flushed drum liners and sturdy containers, we cut springtime batch spoilage rates in half. We keep samples from every outgoing batch and check them against arriving inventory at customer sites. It’s an old-fashioned but proven way to flag if anything changed during transit. Fewer surprises at the customer dock mean smoother product launches.

    Upstream Raw Material Sourcing: Why It Matters

    No chemical reaches high purity or predictable performance without stable, reliable inputs. We remain hands-on with our upstream suppliers, particularly with those who supply the piperazine and aromatic building blocks of Eprazinone Dihydrochloride. Several years ago, we observed that variability in lot quality traced directly to minor changes in a raw supplier’s synthesis method. Rather than chase each batch with additional purification, we pushed for tighter incoming analyte controls, supported by regular audits. The result shows up not just in the spectrometer, but in day-to-day production smoothness and cost predictability. A seasoned API maker learns to zoom out, not just optimize the final reaction step, but keep every input consistent from the start.

    Meeting Diverse Global Regulatory Demands

    Europe, Asia, North America—a manufacturer faces regulatory codes that rarely agree on every detail. European monographs might dictate an impurity threshold at parts-per-million that a Southeast Asian counterpart leaves unstated. Several of our pharma clients chase multiple regulatory submissions at once. Our documentation and batch testing adjust to these differences, so each can clear the appropriate regulatory review. Full transparency in documentation, stability studies under ICH conditions, and real-time sample retention keep us a step ahead of regulatory surprises. We don’t see this as a burden, but as proof that our production holds up under various critical eyes at once.

    Minimizing Cross-Contamination: The Practical Approach

    Modern chemical factories handle dozens, sometimes hundreds, of products. There’s little forgiveness for cross-contamination in APIs destined for life-saving medicines. We base our plant layout, cleaning protocols, and equipment scheduling on old lessons—run allergy-inducing or highly potent APIs at separate times and use tight controls to avoid carryover. For Eprazinone Dihydrochloride, dedicated reactors and filter lines give everyone peace of mind. Real cleaning validation replaces faith in rinsing. Documentation of equipment histories allows every customer to verify the facts, not just trust a signature.

    Worker Know-How: Where Quality Starts

    Any factory’s success rides on its people. Our technical crew, some with two decades of experience in chemical synthesis, know the critical steps that define an Eprazinone Dihydrochloride batch. These experts, many cross-trained in GMP and ISO environments, are trained to call out anomalies the moment they arise. If a filtration run produces a faint off-color or a smell appears where it shouldn’t, the line stops. Daily calibrations and in-house training keep our team thinking clearly and acting quickly. There’s no substitute for sharp eyes and practiced intuition in making high-quality APIs.

    Environmental Commitment: Responsible Practices

    Regulatory requirements place a firm bar on solvent use and disposal. For Eprazinone Dihydrochloride, our main responsibility extends to how we handle process waste. We tracked effluent composition, invested in on-site solvent recovery, and worked to cut overall chemical discharge. This preserves our ecosystem and reduces secondary costs, which in turn lets us price more competitively without cutting corners. Responsible manufacturing means protecting not only those who use the medicine, but those living near the plant.

    End User Feedback Loop: Continuous Improvement

    Pharmaceutical companies often return with data on how our material performs in their own settings. If a batch of Eprazinone Dihydrochloride triggers slight variation in tablet hardness or dissolution, we request their numbers and match them to our protocols. Multiple cycles of feedback and tweak mean our product grows more reliable with each round. This connected approach, uncommon in commodity chemical sales, reflects our long-term view. Improved powder behavior and solubility profiles owe a debt to those who test our work at every step.

    Supply Stability: Beyond the Current Market Cycle

    Shortages of key APIs disrupt downstream manufacturing schedules and put pressure on global healthcare supply chains. Years ago, an abrupt closure of another supplier caused a market crunch that sent clients seeking emergency product elsewhere. We doubled output and kept communication lines open, signaling our actual capacity. We never promise what cannot be delivered. Our model keeps a buffer stock in temperature-stable storage, along with a redundant set of raw material contracts. By planning ahead, we keep projects uninterrupted, even when the global chemical market swings out of balance.

    Research Partnership: Developing New Applications

    Eprazinone Dihydrochloride has traditional uses, but researchers regularly ask about potential uses in novel formulations. We support pilot-scale trial batches, willing to adjust batch sizes or offer technical input for new delivery forms. In the past, partners looking to embed the compound in slow-release patches or inhaled dry-powder devices needed modified particle size distributions or tailored excipient compatibility. Direct access to the actual manufacturer means short development cycles and less friction in bringing a new product to market. We stand ready to innovate alongside those willing to push boundaries, not just supply inert raw material.

    Economic Realities: Balancing Price and Quality

    Cost pressure never lets up, especially for generic drug makers or contract manufacturers. While rock-bottom prices attract attention, far more buyers return for dependable supply, year after year. We keep overhead lean, but will not lower standards to pull ahead in a short-term price war. Our internal data shows that defects, recalls, or late deliveries cost many times more than a fair margin ever could. Through streamlined production and strong supplier relationships, our Eprazinone Dihydrochloride stays competitive without compromising the trust of our pharmaceutical partners.

    Looking Forward: Keeping Pace with Pharmaceutical Needs

    Regulations, global sourcing, and new therapeutic trends never stand still. Increasing complexity, both in supply chains and end-user requirements, calls for greater coordination between manufacturers and formulators. Our investment plans focus on smart automation in QC labs, advanced process analytics, and even tighter environmental controls. We believe that as healthcare systems demand greater accountability, chemical manufacturers who demonstrate skill, adaptability, and transparency will gain not just market share, but long-term trust. Eprazinone Dihydrochloride remains a prime example of how careful manufacturing underpins success in modern medicine. Having seen firsthand how much hinges on every step of production, we remain committed to the details that make the difference between a problem solved and a problem ignored.