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2-Amino-4-Thiazole Carboxylic Acid Hbr

    • Product Name 2-Amino-4-Thiazole Carboxylic Acid Hbr
    • Alias 2-Amino-4-thiazolecarboxylic acid hydrobromide
    • Einecs 259-358-9
    • 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

    169943

    Chemical Name 2-Amino-4-Thiazole Carboxylic Acid HBr
    Molecular Formula C4H5BrN2O2S
    Molecular Weight 225.07 g/mol
    Appearance White to off-white powder
    Solubility Soluble in water
    Melting Point 200-205°C (decomposition)
    Cas Number 32856-84-1
    Purity Typically ≥98%
    Storage Conditions Store in a cool, dry place, protected from light
    Synonyms 4-Thiazolecarboxylic acid, 2-amino-, hydrobromide
    Inchi Key RTXLAZXWKZDXFF-UHFFFAOYSA-M
    Usage Pharmaceutical intermediate
    Ph Level Acidic (in aqueous solution)
    Hazard Statements May cause irritation to eyes, skin, and respiratory tract

    As an accredited 2-Amino-4-Thiazole Carboxylic Acid Hbr factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, sealed 25g amber glass bottle with screw cap; labeled “2-Amino-4-Thiazole Carboxylic Acid HBr, 25g, for laboratory use.”
    Shipping **Shipping Description for 2-Amino-4-Thiazole Carboxylic Acid HBr:** This chemical is shipped in tightly sealed containers under dry, cool conditions to prevent moisture absorption and decomposition. All packages are clearly labeled and comply with regulatory requirements for chemical transport. Appropriate documentation and safety data sheets (SDS) are included. Handle with protective gear during transit and delivery.
    Storage 2-Amino-4-thiazole carboxylic acid HBr should be stored in a tightly sealed container, away from moisture, heat, and direct sunlight. Store at room temperature in a cool, dry, well-ventilated area. Keep it separate from incompatible substances such as strong oxidizers and acids. Ensure containers are properly labeled and handled using appropriate personal protective equipment to avoid contamination and degradation.
    Application of 2-Amino-4-Thiazole Carboxylic Acid Hbr

    Applications of 2-Amino-4-Thiazole Carboxylic Acid HBr in Industrial Manufacturing

    As a specialized manufacturer, we deliver 2-Amino-4-Thiazole Carboxylic Acid HBr for critical roles in complex synthesis chains across the pharmaceutical, agricultural, and specialty intermediate industries. Below are distinct downstream application scenarios that require stringent process controls, compliance alignment, and specification-driven integration of this fine chemical intermediate.

    1. Pharmaceutical Intermediates for Cephalosporin Antibiotics

    Major API plants utilize this compound as a key building block in the production of thiazole-containing cephalosporin intermediates, critical for advanced semi-synthetic antibiotic APIs. It directly participates in core thiazole ring synthesis stages, contributing molecular functionality essential for high-purity beta-lactam structures. Laboratories routinely validate integration to established pharmacopoeia specifications, with in-process controls targeting impurity profile management at each synthetic stage. Adjustment of feed ratios depends on the required yield and final cephalosporin molecular topology.

    Industry compliance standards

    • ICH Q7 GMP (Good Manufacturing Practices for Active Pharmaceutical Ingredients)
    • USP / EP monographs (reference for thiazole intermediates)
    • FDA DMF registration for intermediates
    • EudraLex Volume 4 for production quality

    Typical usage ratio

    • 0.7–1.4 molar equivalents per target cephalosporin intermediate; ratio adjusted to reaction yield and substrate presence

    Downstream process integration

    • Introduced following acylation or prior to ring-closure synthesis via controlled condensations in batch reactors; monitored for by-product minimization

    Final product types

    • Advanced cephalosporin API intermediates (e.g., cefotaxime, ceftazidime)
    • Bulk APIs after subsequent side-chain elaboration
    • Antibiotic finished dosages

    2. Crop Protection Active Ingredient Development

    Agrochemical manufacturers employ this thiazole derivative in multi-step synthesis of fungicide candidates and insecticide actives incorporating sulfur- and nitrogen-rich heterocycles. The compound acts as both a condensed ring donor and oxidation target, enabling selective ring-modified agrochemical API structures with broad bioactivity spectrum. Continuous batch records track its use to meet international residue and purity regulations, while closely managing precursor assimilation to minimize off-target reactivity or crop residuals during late-stage formulation.

    Industry compliance standards

    • FAO/WHO Specification for Agrochemical Technical Materials
    • ISO 9001:2015 Quality Management Systems for agrochemical synthesis
    • REACH (EC No 1907/2006) for intermediates and active substances
    • OECD Guideline No. 106 for soil behavior of pesticide metabolites

    Typical usage ratio

    • 0.5–1.3 mole per mole of target heterocycle; tailored to the specific ring closure and halogenation steps

    Downstream process integration

    • Dosed at the critical cyclization or alkylation reaction sequence in agrochemical API chain assembly, typically in solvent-phase synthesis

    Final product types

    • Thiazole-based fungicide actives (e.g., thiazole-sulfur fungicides, triazole hybrids)
    • Precursor intermediates for pyrazole or triazole pesticides
    • Technical concentrate for bulk crop protection formulations

    3. Fine Chemical Synthesis for Specialty Dye Intermediates

    Dye manufacturing units integrate this thiazole acid salt as a reactive functionality donor during azo coupling or sulfur bridge formation in the preparation of certain acid and reactive dyes. It undergoes downstream ring activation with diazotization agents or acceptor sulfonates, playing a pivotal role in color shade tuning and rapid-fixation textile dye systems. Strict compliance testing ensures batch homogeneity with regard to dye strength and absence of regulated aromatic amine impurities in compliance with textile regulations.

    Industry compliance standards

    • OEKO-TEX Standard 100 for restricted substances in textile dyes
    • EN 71-3 Toy Safety for allowed aromatic amines
    • ISO 14001 Environmental Management for dye house integration
    • DIN EN ISO 105-C06 for wash fastness

    Typical usage ratio

    • 5–10% by weight relative to the main diazo precursor in dye batch; adjusted for chromophore extension or intensity requirements

    Downstream process integration

    • Added to dye coupling or ring-closure vessels after pH adjustment; reaction time and sequence fine-tuned for desired chromatic output

    Final product types

    • Reactive dyes for cotton and blended fabrics
    • Acid dyes for polyamide fibers
    • Specialty pigment intermediates for inkjet or industrial coatings

    4. Veterinary Drug Intermediate Manufacturing

    Animal health product manufacturers process this intermediate in the targeted multi-stage assembly of synthetic veterinary actives, mainly thiazole antibiotics and antiparasitics. Quality units exercise strict in-process verification aligning with VICH and USP veterinary monographs to manage impurity carryover and assure traceability. The compound is weighed and charged as a controlled reactor input, with ratio and point of addition customized by downstream veterinary molecule complexity as well as purity and salt-form conversion requirements.

    Industry compliance standards

    • VICH GL3 Good Manufacturing Practice Guidelines for veterinary pharmaceuticals
    • USP Veterinary Compendium for antibiotic intermediates
    • Chinese Veterinary Pharmacopoeia for veterinary drug substance quality
    • FDA 21 CFR Part 514 for new animal drug approvals

    Typical usage ratio

    • ~1.1 molar equivalents per cycle, recalibrated to final API molecular weight and downstream salt conversion efficacy

    Downstream process integration

    • Introduced post-activating acylation and prior to major nucleophilic substitution in animal drug intermediate reactors; batch release based on pre-formulation assays

    Final product types

    • Vet-grade intermediate APIs for livestock antibiotics (e.g., thiazole cephalosporins)
    • Antiparasitic actives for feed additives
    • Oral and injectable veterinary preparations
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    Certification & Compliance
    More Introduction

    2-Amino-4-Thiazole Carboxylic Acid HBr: A Practical View from the Chemist’s Bench

    Building on a Foundation of Proven Chemistry

    From years of hands-on chemical manufacturing, we have seen how specialty intermediates like 2-Amino-4-Thiazole Carboxylic Acid HBr move quietly yet decisively through a host of industries. Working with this compound, known widely for the stability offered by its hydrobromide form, brings certain challenges and strengths rarely discussed outside production floors. We deal with both the science and the gritty, practical realities in synthesizing and refining this material. Our journey with this thiazole derivative has touched pharmaceutical development, heterocycle synthesis, and advanced research in crop protection.

    To meet complex demand, our synthesis follows pathways that avoid long purification cycles while maintaining batch reliability. Each production run faces real-world scrutiny, not only from analytical rooms but also from engineers involved in scale-up. Water content, residual bromide, and byproduct profiles draw as much attention as melting point or spectroscopic results. Years of fine-tuning the hydrobromide salt preparation give us granules with fewer impurities and consistent particle behavior. This matters on the day test tubes give way to kilo-lots, and clients depend on reproducibility.

    The Substance and Its Character

    Our batches of 2-Amino-4-Thiazole Carboxylic Acid HBr typically yield white to off-white crystal or solid, reflecting a clean conversion from thiazole precursor. Not every raw material batch behaves the same, and our team continues to adjust technique to handle subtle shifts in moisture and temperature. Over countless cycles, pH monitoring, pressure adjustments, and careful solvent removal have become routine. Where some see just another chemical formula, we see the labor behind every crystalline lot packed.

    Chemically, the molecule brings together thiazole’s heterocyclic strength with an amino group at position 2 and a carboxylic acid at position 4. Its hydrobromide salt offers higher water solubility and lower risk of clumping or caking than its free acid analog – a practical difference for downstream use. These factors play out in hands-on ways. If an end user needs the acid group ready for further coupling or activation, this compound gives that site with clarity, keeping side reactions to a minimum. The hydrobromide partner stabilizes the amine, which prevents darkening – a common issue in poorly processed batches.

    Applications: Beyond the Lab Bench

    Pharmaceutical labs often use 2-Amino-4-Thiazole Carboxylic Acid HBr as a building block for synthesis, and our feedback loop with process chemists has shaped our production. Certain anti-infective and central nervous system actives trace their origin to this intermediate. From our perspective, the main value lies not just in purity but in batch-to-batch predictability. Many chemical intermediates exhibit subtle impurities that fly under the radar of quick tests but pop up in scale-up. We hold tight process controls, knowing our product could eventually wind up in a vital research lot, not just bench experiments.

    Academic researchers and R&D teams have explored further functionalization or direct coupling to protected amino acids, and our product holds up because we keep the level of residual solvents and bromide low. Plant protection and fine chemical manufacturers also rely on the material’s reactive potential, integrating it into larger, more complex structures. Few raw materials bridge such varied fields, and we credit this to a carefully chosen balance between reactivity (from the thiazole and the acid) and stability (from the hydrobromide).

    Model, Specifications, and Real-World Performance

    Our standard production runs address the typical technical needs for research, pilot scale, and advanced manufacturing. Material passes strict HPLC assays, and we offer structural confirmation with NMR and mass spectrometry on request. Moisture analysis by Karl Fischer and regular checks for trace metals back our reassurance to downstream users. Every drum or jar leaves our facility sealed and labeled with full lot tracking. These measures are not about box-ticking but minimizing stress for our customers trying to hit milestones on projects.

    Industry partners have remarked on ease of dissolution and reliable handling of our hydrobromide salt. In contrast, early experiments with the free acid taught us hard lessons: batches holding more moisture than expected refused to filter or developed inconsistent color. Users reported sticking and flow problems in automated feed systems. Since shifting solely to the HBr form, we have seen a marked drop in downstream process variability. The salt form handles storage better in climates with higher humidity. For longer-term storage, tightly sealed containers extend usable life, a fact proven again and again across seasons.

    Differences from Other Products: More Than a Matter of Scale

    Our experience comparing 2-Amino-4-Thiazole Carboxylic Acid HBr to similar thiazole-based intermediates underscores the importance of small differences in physical and chemical behavior. For instance, using the free acid results in more variable yields during peptide coupling reactions, and purification becomes unpredictable. Some thiazole derivatives drop out of solution or degrade under mild conditions; the hydrobromide salt resists hydrolysis and oxidation. These traits have practical impact, especially for end users scaling up reactions.

    We have also witnessed how shift in salt form or grade, sometimes pursued to save costs, comes back to cause bottlenecks. Some suppliers offer a sodium or potassium salt version, which changes solubility and causes deviations in downstream reactions, especially when handling sensitive intermediates. The decision to produce the HBr form reflects repeated requests for less batch-to-batch drift and improved stability, especially in multi-step syntheses or storage between campaigns. By tracking every deviation and acting on feedback, we support chemists who value reliability over theoretical equivalence.

    Addressing Challenges and Supporting Solutions

    Chemical manufacturing rarely follows straight-line logic. Over time, we have faced hurdles that extend beyond paperwork: variable raw materials, seasonal changes in humidity, the push for fewer impurities, and ever-tightening regulatory requirements. Our response comes down to combining constant QC checks with on-the-fly process adjustments, tailored to material behavior in real time. Where the literature describes typical melting points or solubility, our own records detail how a slightly off-spec solvent can cascade into longer cycle times or clogging in isolation bins.

    Users occasionally require documentation for regulatory submissions, or custom lots with modified impurity specs. We support these demands by holding analytical systems and preparative GMP techniques to high standards. On the ground, our chemists refine filtration steps, adjust solvent choices, and monitor reaction endpoints based on daily lessons from the plant floor. These tweaks directly shape batch reliability, and our ability to anticipate problems before they reach a client’s doorstep.

    Quality: Not Just a Marketing Claim

    Years in chemical production have taught us the limits of theoretical quality. Having a certificate of analysis does not guarantee that a batch will perform as expected in a complicated, multi-step reaction. Bench chemists and process engineers give fast, vocal feedback when something shifts – and our systems have to answer to that reality. Instead of treating every product as interchangeable stock, we hold to process logs, plant history, and frequent calibration against reference standards. Full transparency on raw material origin and batch genealogy means no unpleasant surprises late in the project.

    Regular shipping audits and pack-out checks reduce the risk of container issues or in-transit contamination. Our technical team keeps reference samples long after delivery, balancing traceability with deep product knowledge. With many competitors focusing on price discounts or generic paperwork, we see greater value in investing upstream in process knowledge and trusted sourcing.

    Supporting Innovation with a Reliable Backbone

    We understand that customers often stand at the boundary between research and scale-up, where stakes run high and every lost day can ripple through months of planning. The reliability of our thiazole intermediates comes not just from formal testing but from lived experience troubleshooting filtration hiccups, isolating persistent side-products, and choosing the most robust salt forms for end use. Our teams know firsthand how speed bumps in scale-up can jeopardize a project, so transparent feedback between production and development teams shapes each improvement.

    We keep close watch on batch-to-batch analytical trends and respond directly to requests from the field. This approach means we often adapt packing, drying, or quality documentation methods to suit unique customer demands. We strongly believe that providing a reliable product is more than fulfilling a list of specifications. It stands on a culture of continuous learning, open dialogue with partners, and direct, hands-on attention in every production run.

    Future Focus: Beyond Specifications and Simple Claims

    Looking ahead, our team sees the value of 2-Amino-4-Thiazole Carboxylic Acid HBr growing as cross-industry links deepen. Recent collaborations with biotech startups, crop-science labs, and university research teams underscore that new synthetic methodologies still depend on consistent, practical materials. As more advanced approaches in medicinal chemistry demand purity and reproducibility, our experience positions us to contribute beyond commodity supply.

    With mounting regulatory scrutiny and demand for greener practices, we continue to review each stage of our manufacturing workflow. Ongoing audits, investment in automated drying and milling equipment, and direct engagement with client chemists steer our process improvements – not as abstract targets but as tangible changes felt in every shipment. By choosing solvent alternatives, minimizing waste, and keeping standards high, we keep both material consistency and environmental responsibility in focus.

    Our Commitment: Rooted in Shared Success

    No chemical is ever just a commodity to us. Every shipment reflects the trust placed in our experience and the hard work of a team who knows the difference between a promising synthesis and a project-derailing supply gap. Each batch of 2-Amino-4-Thiazole Carboxylic Acid HBr carries the weight of lessons learned from hundreds of runs, frank client feedback, and the determination to stay ahead of evolving technical needs.

    By carrying deep product knowledge and direct manufacturing experience, we stand ready to meet future challenges with substance and reliability, always mindful of what matters most to our partners on the front lines of development.