Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Antazoline

    • Product Name Antazoline
    • Alias Antistine
    • Einecs 204-615-3
    • 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
    Specifications

    HS Code

    309258

    Generic Name Antazoline
    Drug Class Antihistamine
    Chemical Formula C17H19N3
    Molecular Weight 265.36 g/mol
    Indications Allergic conjunctivitis, nasal congestion (in combination)
    Mechanism Of Action Histamine H1 receptor antagonist
    Legal Status Prescription-only in some countries, OTC in others
    Brand Names Antazoline, Spersallerg, Otrivine-Antistin
    Common Side Effects Eye irritation, burning, stinging, dryness
    Onset Of Action Within minutes when applied topically to the eye
    Contraindications Hypersensitivity to antazoline or other components
    Metabolism Primarily hepatic
    Elimination Half Life Unspecified

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

    Packing & Storage
    Packing Antazoline packaging: White plastic bottle, blue label, screw cap, clearly marked "Antazoline 50 mg, 100 tablets," manufacturer's logo, safety seal.
    Shipping Antazoline is shipped in tightly sealed containers, protected from light, moisture, and extreme temperatures. It is classified as a pharmaceutical or laboratory chemical, with appropriate labeling and documentation in accordance with local and international regulations. Handle with care, avoiding exposure and ensuring secure packaging to prevent leaks or contamination during transit.
    Storage Antazoline should be stored in a tightly closed container, protected from light and moisture. Keep it at room temperature, ideally between 20°C to 25°C (68°F to 77°F), and away from heat sources and incompatible substances. Store in a well-ventilated area, and ensure it is kept out of reach of children and unauthorized personnel. Always follow local regulations for chemical storage.
    Free Quote

    Competitive Antazoline prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing Antazoline: A Reliable Antihistaminic Ingredient Direct from Our Facility

    Understanding Antazoline from a Manufacturer’s Perspective

    Antazoline stands out as a crucial component for companies focused on reliable antihistamine production. Years in chemical synthesis, as well as constant feedback from formulating partners, have shaped the way we approach Antazoline’s manufacture in our facility. This isn’t some off-the-shelf compromise. Our Antazoline—offered under model designation A1-P—delivers targeted performance thanks to strict adherence to purity benchmarks and consistency in every lot.

    Material Characteristics and What Sets Ours Apart

    Chemists at the bench and at the controls know the unreliable nature of inconsistent intermediates. Our Antazoline hydrochloride, offered typically as a fine, free-flowing white crystalline powder, scores high on reproducibility. Typical molecular formula is C17H19N3•HCl—coupled with detection of common contaminants sitting well below pharmacopoeial thresholds. Each production cycle delivers a product checked for NLT 99% purity by HPLC, with moisture content and heavy metals far below the thresholds defined in both the USP and Ph. Eur. We run our own high-sensitivity ICP-MS for metals and don't rely on third parties for analysis.

    Batch records trace raw materials all the way back to source. Every bit of solvent used or process condition adjusted undergoes logging and final product release doesn’t happen without a full sign-off from QA. Routine microbial screening cuts out surprises. The final product ends up not just as spec-compliant, but tailored for practical, efficient downstream processing.

    How Antazoline Finds Use and Its Unique Edge

    Drop manufacturers rely on Antazoline for fast-acting, non-sedating allergy relief. Our own teams have visited oral solution and ophthalmic lines to see where bottlenecks develop. Antazoline’s chemical structure allows it to block histamine H1 receptors, which controls classic allergy symptoms. In our practical work, this means that even at low concentrations, formulating a typical 0.5% eye drop solution with our A1-P grade doesn’t run into stability or dissolution headaches.

    Formulators take advantage of Antazoline’s water solubility—an asset when target is clear, particulate-free liquids for ophthalmic use. Typical pairing with vasoconstrictors—naphazoline being the most common—plays on the synergy both in drop and combination forms. Each year, as standards shift, we run extra stability trials under ICH conditions to confirm shelf-life and maintain full compliance with the latest pharmacopoeial monographs.

    Working with Antazoline Versus Other Antihistamines

    Companies ask us about alternatives: pheniramine, chlorpheniramine, or ketotifen. Each one brings different strengths and weaknesses. Antazoline’s main advantage sits with a fast onset profile when applied topically. Where some competitors lean toward sedative effects or pH instability, our A1-P delivers predictably in aqueous media. Solubility profiles and visual clarity align with what ophthalmic producers need—fewer filtration steps, rapid dissolution during production, and a lack of residue in droppers.

    Certain manufacturers face headaches with pheniramine due to gritty residues, especially over time during shelf-life testing. With Antazoline A1-P, that’s not been an issue according to both internal review and customer feedback. We draw on years of comparative blending, checking for pH drift, ingredient separation, and ease of filtration during low-volume pilot runs. If the end goal is a drop with clear, fast relief and no haze, Antazoline’s chemical fingerprint fits.

    Specifications Anchored by Real-World Experience

    Setting the bar for Antazoline isn’t just about getting high numbers on a COA. It’s about meeting the requirements of eyes and formulations that don’t forgive shortcuts. Each lot undergoes visual inspection, colorimetric analysis, and mass balance calculations. Standard particle size averages below 50 microns, minimizing segregation in blends. Bulk density and tap density stay stable batch-to-batch, which saves time on recalibrating fill weights or dosing pumps.

    Our own QC teams spend long days not just validating by machine but rechecking with manual titration and melt-point confirmation—lessons learned from years when automation alone didn’t catch the early signs of off-specification material. If the end application demands micron-sized powder for injections or blends, we run a custom micronization line, all in-house.

    Why Producers Choose Direct Sourcing from Us

    Distributors might shuttle paper, but the risk sits with those responsible for actual manufacturing. Sourcing direct means the ability to speak plainly, share fast technical feedback, and troubleshoot at a chemical level. We field calls from process engineers who need to confirm solubility curves in uncommon solvents or analysts checking impurity profiles pre-formulation.

    It’s not just about purity either. Direct feedback led us to develop powder handling techniques and anti-caking processes that stabilize shipment, protect shelf-life, and prevent caking or stickiness at destination warehouses. Bulk shipments use custom packaging fitted with moisture barriers, and we avoid recycled plastics to cut the risk of cross-contamination.

    Using Antazoline in scale-up and large-batch Production

    Formulation chemists know the headaches of production transitions, especially from laboratory scale to multi-ton output. With Antazoline A1-P, each lot sheet ships with supporting technical documents: solubility data against a range of excipients, pH stability windows, and co-solvent compatibility—direct from our trials, not literature theory. Teams planning new launches or changing excipients rely on this primary data to adjust their own QC sampling and handling.

    One practical bit that often gets overlooked—Antazoline mixes smoothly into base excipient matrices and requires minimal mechanical intervention for dissolution. If your line is hot, and you worry about chemical stability, we share in-house data on short-term heating impact (up to 70°C). No surprises in viscosity or color even after accelerated conditions. That translates to stable, predictable production with less downtime or rework for de-blending.

    Regulatory Confidence from Manufacturing Dossiers

    Nothing derails a launch like gaps in documentation. We’ve submitted rigorous Type IV DMFs and have a history of providing direct support to partner companies facing audits. Both the QA heads and regulatory teams know every batch of Antazoline is manufactured under tight cGMP controls, with traceable supplier documentation for each starting raw. Auditors routinely walk our plant and we run mock inspections—scrubbing data and logs for minor anomalies that can cause regulatory headaches later.

    With regulatory scrutiny increasing, we keep up-to-date on the latest regional and international guidelines for impurity profiling—whether it’s nitrosamines, heavy metals, or rare solvents from upstream synthesis. Our technical managers maintain a direct line to frontline regulatory folks, updating DMFs and site audit files as guidance evolves, and running ongoing stability programs to supply updated data upon request.

    Reliable Supply and Contingency Planning

    Experience has shown that unstable supply chains wreak havoc on critical manufacturing. We run parallel reactor lines to cover unplanned demand spikes. Secondary warehousing nearby reduces lead time for repeat orders. For major clients, we pre-position safety stock under controlled humidity and temperature—real-world logistics support instead of just promises on a PO.

    We coordinate with freight partners familiar with ADR/IATA requirements for shipping pharmaceutical intermediates, taking into account customs delays or cold-chain challenges into our lead time assessments. Each packaging lot contains calibrated desiccant packs, and our logistics staff inspect outbound shipments both prior to customs and at final carrier hand-off.

    Collaborative Support—Solving Real Process Challenges

    Manufacturers frequently face process bottlenecks or last-minute changes in excipients. We provide access to our R&D and process engineering staff—those who understand the difficulties of pH drift, rapid dissolution, or unexpected impurity spikes on scale-up. Direct technical discussions lead to tweaks in granule size or blending recommendations, reducing downstream issues like clumping or stratification.

    For new market applications—nasal sprays, rapid-release oral disintegrating tablets—we maintain a pilot-scale line, letting development partners trial custom physical forms of Antazoline without perturbing the main commercial batch schedule. That means faster response cycles from ideation to analytical confirmation, all with transparent access to full testing data.

    Antazoline in a Changing Therapeutic Landscape

    Clinical uses for topical antihistamines continue to expand, driven by increased diagnosis of ocular allergies and demand for rapid relief with fewer sedative side effects. The market’s shifting as health authorities tighten control on excipient origins and impurity thresholds. Years back, some manufacturers found themselves exposed when off-brand ingredients brought in batch-to-batch variability. Our plant keeps a direct line to all upstream material suppliers, running routine audits and backup sourcing for every key intermediate.

    In contrast to volatile global prices and uncertain availability, we invest in both raw material contracts and continuous process improvement. Customers see fewer delays, steadier pricing, and real accountability from those who manufacture, not just coordinate shipments.

    Continuous Improvement—Feedback in Action

    Producers want to know their feedback fuels improvements, whether in powder flow, bulk stability, or documentation. Customer QC teams send in real-world feedback that translates to small-batch R&D runs for process validation. Our technical team meets regularly to analyze these data, changing upstream conditions, filtering regimes, or even minor tweaks in crystallization steps if it means better shelf-ready product.

    Updates and change notifications reach clients before formal roll-out, minimizing surprises. We translate not only success stories but “pain points” into improved training for new hires and refined SOPs, keeping the manufacturing and documentation cycle nimble and responsive.

    Sustainability and Waste Management

    The days of unchecked solvent use and disregard for chemical waste disposal are over. From the start, we opted for closed-loop solvent recovery and careful tracking of all byproduct streams, keeping in line with tightening environmental and local regulations. Spent reaction media head to processing units for reclamation or controlled destruction.

    Direct customers value this accountability, since downstream sustainability audits increasingly demand proof of low-impact chemical sourcing. We prioritize greener routes for sensitive synthetic steps, balancing process economy with regulatory and community standards. Waste reduction is now a KPI at both the production and management level.

    Integrating New Technologies into Traditional Manufacturing

    Process automation, real-time spectroscopic monitoring, and data logs cut down on errors, but years in chemical production have shown the continued need for experience-driven review. Our manufacturing floor runs a hybrid of automated feeds and human oversight, especially for critical steps like temperature holds and endpoint checking. Analytical labs pair chromatography with targeted chemical tests, rejecting any batch that fails an internal safety or stability cutoff.

    Any time a supplier changes or an upstream raw material shifts, we re-validate downstream process impacts before release—keeping customers informed and shipping only proven, safe product. Mass balance and impurity trending keeps surprises in check, with lot-specific analytics shared directly to formulation partners as needed.

    Conclusion: Building Trust with Every Lot of Antazoline

    Manufacturers on the front line of healthcare delivery understand the practical value behind each gram of Antazoline A1-P delivered. It’s not the technical language of certificates, but the real-world confidence built from transparent processes, prompt technical service, and a refusal to accept the mediocre. With direct sourcing, continuous improvement, and a firm commitment to responsible production, our team supports those who turn high-purity chemistry into reliable therapeutics for real people. Every feedback call or stability report becomes fuel for making each batch better and each collaboration more effective.