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Benzamidine Hydrochloride Hydrate

    • Product Name Benzamidine Hydrochloride Hydrate
    • Alias Benzamidine HCl Hydrate
    • Einecs 219-898-5
    • 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

    380037

    Product Name Benzamidine Hydrochloride Hydrate
    Cas Number 177807-52-6
    Molecular Formula C7H8ClN3·xH2O
    Molecular Weight 174.62 g/mol (anhydrous)
    Appearance White to off-white crystalline powder
    Solubility Soluble in water
    Melting Point 144-147°C (decomposes)
    Storage Temperature 2-8°C
    Purity ≥98%
    Synonyms Benzamidine HCl hydrate, Benzamidine hydrochloride, 4-Carbamidine hydrochloride
    Application Protease inhibitor
    Ph 4.5-6.5 (10 g/L in H2O at 25°C)
    Stability Stable under recommended storage conditions
    Inchi Key OKLGFWPUYGMJOI-UHFFFAOYSA-N
    Ec Number 214-911-5

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

    Packing & Storage
    Packing Benzamidine Hydrochloride Hydrate, 25g, is packaged in a sealed amber glass bottle with a white screw cap and safety labeling.
    Shipping Benzamidine Hydrochloride Hydrate is shipped in tightly sealed containers to protect it from moisture and contamination. The chemical is typically packed in accordance with local and international regulations, and is labeled with hazard and handling instructions. It should be stored and transported in a cool, dry place, away from incompatible substances.
    Storage Benzamidine Hydrochloride Hydrate should be stored in a tightly sealed container at room temperature, ideally between 15–25°C (59–77°F). Keep it in a cool, dry, and well-ventilated area, away from heat, moisture, and incompatible substances such as strong oxidizers. Protect the chemical from direct sunlight, and ensure containers remain properly labeled to maintain product integrity and safety.
    Application of Benzamidine Hydrochloride Hydrate

    Applications of Benzamidine Hydrochloride Hydrate in Industrial Manufacturing

    Benzamidine Hydrochloride Hydrate serves as a critical intermediate and process agent in multiple segments of the chemical manufacturing industry. Downstream sectors make use of its unique molecular properties for synthesis, inhibition, and process refinement. Below, we outline several key applications with a focus on real industrial contexts and regulatory consideration.

    1. Active Pharmaceutical Ingredient (API) Synthesis for Protease Inhibitors

    Pharmaceutical manufacturers utilize Benzamidine Hydrochloride Hydrate as an essential amidine reagent during the synthesis of protease inhibitor molecules. During multi-step organic synthesis, it selectively inhibits serine proteases, ensuring successful reaction progress and preservation of critical intermediates. The material features in both the synthesis and the purification stages, where it helps block unwanted proteolytic side reactions and maintains analytical purity. Especially within cGMP facilities, traceability, residue control, and process validation require strict attention to this reagent’s introduction and removal.

    Industry compliance standards

    • USP, Ph. Eur., JP (as applicable to final API)
    • ICH Q7 Good Manufacturing Practices for active pharmaceutical ingredient production
    • FDA 21 CFR parts 210/211
    • EDQM Certificates of Suitability (CEPs) where required

    Typical usage ratio

    • 0.1–0.5 molar equivalents relative to target substrate
    • Adjusted based on inhibitor potency and desired rate of protease inhibition during each synthesis step

    Downstream process integration

    • Charged during the protection phase of peptide or protein chain elongation
    • Used as a quenching or blocking agent post-deprotection
    • Purification buffers may include controlled amounts for residue removal or stabilization

    Final product types

    • Pharmaceutical grade serine protease inhibitors
    • Therapeutic peptidomimetics
    • Diagnostic enzymatic substrates and controls
    • Research-grade high-purity APIs

    2. Bioprocessing and Protein Purification in Biotech Production

    Biotechnology firms add Benzamidine Hydrochloride Hydrate as a selective protease inhibitor during downstream purification of recombinant proteins and enzymes from microbial or mammalian cell cultures. The material prevents protein degradation by endogenous serine proteases throughout cell lysis, extraction, and chromatography. Maintaining consistent inhibitor concentration during these steps helps maximize yield and preserve biological activity, especially in multi-liter bioreactors and continuous production lines.

    Industry compliance standards

    • ISO 9001:2015 Quality Management in Bioprocessing
    • USP <1043> Ancillary materials for cell, gene, and tissue therapy production
    • ICH Q5A/B for biologicals
    • FDA Guidance for Industry: Process Validation for Biologic Drugs

    Typical usage ratio

    • 1–10 mM in protein extraction buffer
    • Concentration depends on serine protease activity in specific host cell lines and targeted inhibition strength

    Downstream process integration

    • Dosed into lysis buffers prior to cell disruption
    • Sustained through clarified extract and primary purification columns
    • Removed or dialyzed out during polishing processes

    Final product types

    • Therapeutic monoclonal antibodies
    • Recombinant human proteins and growth factors
    • Industrial enzymes (proteases, lipases, etc.)
    • Cell-based research reagents supplied to diagnostic kit manufacturers

    3. Analytical Reagent for Enzymatic Activity Assays

    Research laboratories and analytical service providers rely on Benzamidine Hydrochloride Hydrate as a reference inhibitor to control serine protease background in enzyme activity studies. During quality control of raw substrates, food ingredients, and pharmaceutical enzyme batches, the reagent stabilizes samples and prevents artificial substrate turnover due to trace proteolysis. By adjusting the inhibitor level for specific enzyme-substrate pairs, laboratories improve assay reproducibility and data reliability for both product release and R&D.

    Industry compliance standards

    • ISO/IEC 17025 Laboratory accreditation
    • Good Laboratory Practice (GLP) under OECD guidelines
    • USP assay monograph requirements
    • Internal pharmacopoeia-based testing methods for pharmaceutical QC

    Typical usage ratio

    • 0.05–5 mM final concentration in assay buffer
    • Value selected based on targeted enzyme inhibition and matrix complexity

    Downstream process integration

    • Weighing and solubilization in pre-buffered assay systems
    • Timed addition prior to test substrate inclusion
    • Parallel control runs with and without inhibitor for data validation

    Final product types

    • Standardized enzyme activity QC panels
    • Pharmacopoeial test kits for batch release
    • Custom assay development kits for biotech applications
    • Analytical services test reports for industrial clients

    4. Veterinary Drug Intermediate for Parasiticide Compounds

    Animal health product manufacturers use Benzamidine Hydrochloride Hydrate as an intermediate during the synthesis of parasite control agents targeting arthropod and helminth infestations. The compound participates in amidine-based molecular assembly important for veterinary oral and topical parasiticides. Large-scale production relies on process controls for reaction completeness, trace impurity removal, and regulatory compliance, particularly for products destined for the livestock and companion animal sectors.

    Industry compliance standards

    • VICH GLs (International Cooperation on Harmonisation of Technical Requirements for Registration of Veterinary Medicinal Products)
    • OECD Guidelines for the Testing of Chemicals
    • EU Regulation (EC) No 470/2009 on veterinary residues
    • US FDA Guidance for Industry #61: Reducing Microbial Food Safety Hazards in Veterinary Manufacturing

    Typical usage ratio

    • Stoichiometric range in intermediate synthesis, typically 0.8–1.2 mole equivalents
    • Adjusted to balance yield and downstream purification costs

    Downstream process integration

    • Introduced as a core reagent in key coupling reactions of amidine-based antiparasitic molecules
    • Used in controlled reaction vessels with inline QC (HPLC, NMR)
    • Removal follows phase transfer extraction and crystallization

    Final product types

    • Oral and injectable veterinary antiparasitics
    • Topical tick and flea preventives
    • Livestock feed additive premixes
    • Parasiticide active ingredient concentrates

    5. Specialty Chemical Synthesis for Custom Research Compounds

    Within custom synthesis divisions, Benzamidine Hydrochloride Hydrate functions as a building block for the creation of a range of specialty small molecules required by research and specialty fine chemical markets. It supports the formation of amidine, guanidine, and heterocyclic scaffolds through precise nucleophilic addition and cyclization reactions, where exact process control ensures defined product attributes. Batch-wise or continuous processes implement automated monitoring to uphold target purity and minimize byproduct formation across multi-step syntheses.

    Industry compliance standards

    • ISO 9001 for specialty chemical manufacture
    • REACH registration (where required in the EU)
    • Custom client QC specifications
    • Material Safety Data Sheet (MSDS) requirements for laboratory supply

    Typical usage ratio

    • 0.5–2 equivalents based on the specific synthetic route and reactivity profile
    • Ratio tailored by desired functionalization and downstream handling steps

    Downstream process integration

    • Fed into reaction flask for amination, ring closure, or condensation steps
    • Monitored by in-process controls (TLC, LC-MS)
    • Removed via solvent extraction, filtration, or preparative chromatography depending on the end use

    Final product types

    • Custom pharmaceutical synthesis intermediates
    • Agrochemical research substrates
    • Specialty ligand libraries for catalysis studies
    • Advanced chemical tools for academic and industrial research labs
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    Certification & Compliance
    More Introduction

    Benzamidine Hydrochloride Hydrate: Strong Foundations, Reliable Chemistry

    Genuine Chemistry Backed by Daily Practice

    In our plant, Benzamidine Hydrochloride Hydrate keeps us connected to both tradition and technology. Every day, we handle tons of this material, drawn by its irreplaceable role in synthesis and enzymatic research. The practical knowledge gained from years of hands-on manufacturing sets apart our approach to consistency, safety, and utility. Working directly with scientists, process engineers, and QC managers means encountering every practical question firsthand—how easily does it dissolve, what impurities linger at trace levels, how pure can it truly be, whether a product holds up to storage over summer heatwaves, or how batches respond to different water qualities. These realities require honest answers, not marketing blurbs.

    Our focus never drifts from chemistry, not over-specialized marketing. Benzamidine Hydrochloride Hydrate comes in a white, crystalline, free-flowing form, not because it looks good in a photo, but for practical weighing and dissolving. Moisture levels and crystalline stability matter to actual chemists, so every batch runs through strict moisture control tests and impurity screens. We learned long ago that many labs see significant variances in enzyme inhibition or substrate specificity if the water content, trace ionic contamination, or particle size slip outside a narrow range. That's why our manufacturing team works closely with project leads on both kilogram and metric ton scales, confirming that specifications align with real-world needs.

    Understanding Model and Purity—Beyond a Name

    Unlike generic trade products, our Benzamidine Hydrochloride Hydrate is produced under steady, monitored conditions where raw materials, crystallization, filtration, and drying get traced from warehouse to drum. The most common model, suitable for enzymology, has a purity well above 99%, often verified by both HPLC and classical titration. Our analytical team spent years refining our drying and crystallization steps so that customers receive a stable hydrate, not a variable, semi-dry mix that wreaks havoc on weighing accuracy. The monohydrate form simplifies precise standardization, sparing scientists from guessing correction factors or drying product before use.

    Whether customers order our product for protease inhibition, arginase research, or for industrial peptide synthesis, purity means more than a number. A product labeled “99%” on an unregulated market could hide organic by-products or high chloride levels, both of which disrupt enzyme reactions. Our lab runs exhaustive screening for both organic and inorganic impurities, because missing even one contaminant derails months of research or production. That direct, experience-driven approach has earned feedback from protein crystallographers, industrial biochemists, and peptide manufacturers across several continents.

    What Decades of Production Reveal: Quality Differences Matter

    Enzyme researchers, especially those working with trypsin inhibitors or affinity chromatography, know that minor differences between benzamidine products alter the result of a binding assay or chromatography step. Our involvement in pilot and full-production runs highlighted the critical role of both water content and particle stability. Laboratories often complain about drift in inhibition curves, or precipitation of the product after just a few weeks. Drawing insights from practical production, we have established drying, milling, and storage protocols that lock in the hydrate’s stability.

    It's easy to overlook the hydration stage. Without careful dehydration and subsequent re-crystallization, material from other sources may shift its water composition in response to ambient humidity. That means scientists spend precious time analyzing or normalizing their material before even starting. Over the last decade, we responded by deploying inline moisture analyzers and investing in batch-specific documentation. Real-world experience demonstrated that negligence in temperature control or ambient humidity during packaging can produce “stickier” batches that clump, leading to inaccuracy in control experiments.

    Each lot we release undergoes regular retesting in our climate-controlled QC room. Storage stability runs remain long-term, stretching into the third year for key reference batches. Reports from end-users sometimes ask about color development, minor yellowing, or shifts in melting point; these subtle changes usually trace back to low-level oxidation or batch-specific contamination—a lesson hard learned after fielding years of support queries.

    Specific Use Cases: Building Trust Through Real Outcomes

    The biggest driver of our focus on Benzamidine Hydrochloride Hydrate’s performance comes from constant partnership with research and production teams. In our own pilot facility, technicians use it daily for screening new serine protease inhibitors. For some, it anchors their affinity chromatography columns, capturing targets in protein purification. For others, the compound forms a critical stop-gap in fermentation broths, blocking unwanted enzymatic activity during downstream processing.

    Pharmaceutical chemists rely on its high purity when designing enzyme-specific studies, where even minute contaminants obscure kinetic results. That same reliability proves essential in mass spectrometry, where signal backgrounds must be nail-bitingly clean. One overlooked detail—residual organic solvent—can throw off downstream LC/MS analysis. Real-world feedback from analytical chemists guided us to optimize rinsing and finishing protocols, turning a theoretical specification into practical advantage.

    We have had hospitals use our hydrate to stabilize proteases in biological fluid samples, supporting critical diagnostics. Others rely on our documentation and traceability when submitting regulatory files, knowing that their certificates refer to lot-specific measurements, not generic claims.

    Distinguishing From Other Benzamidine Products: More Than Skin Deep

    Enzyme inhibitors show their true colors under stress. Differences between hydrate and anhydrous forms matter most during storage, dissolution, and weighing. Many projects grind to a halt because bulk benzamidine from distribution centers turns out to be lumpy, off-white, or hard to dissolve. Our experience running parallel tests with competitor samples showed dramatic differences in dissolution time, tendency to absorb ambient moisture, and long-term container stability.

    Early on, researchers told us that switching between differently sourced hydrates produced “drift” in their calibration curves and unexpected haze when preparing high-concentration stock solutions. Through detailed investigation, we pinpointed the hydrate’s crystalline form and particle size distribution as the root cause. Our production line now features cooling and drying steps timed and monitored down to fractions of a degree.

    Another key distinction surfaces in trace elemental analysis. Our product maintains extremely low heavy metal content and is regularly checked for residual solvents, ensuring clean backgrounds for high-sensitivity analytical work. This is possible only because we invested in closed-loop processing and rigorous cleaning of vessels—practices learned not from textbooks, but from solving recurring QC failures flagged by our partners in protein chemistry and diagnostic laboratories.

    Not every laboratory needs the highest purity. We offer production-scale lots where cost and throughput trump the highest analytical grade. That difference is clear up front, never masked by creative grading. The dialogue with industrial enzyme manufacturers led to clear, pragmatic batch records, letting engineers match their process runs with our specific lots to streamline regulatory approvals.

    Packaging and Handling: Practical Insights from the Factory Floor

    Handling Benzamidine Hydrochloride Hydrate challenges even experienced staff if ambient humidity swings or packaging fails. From years of daily filling, weighing, and shipping, we learned that double-bagging in high-barrier polyethylene keeps out both water and air. We devote significant plant resources to sealing and labeling, ensuring that what leaves our line matches what arrives at a user’s lab bench months later.

    Packing lines print out detailed lot numbers and traceability codes, monitored by both our own supervisors and external auditors. This system was born from a hard lesson—early years saw packages arrive overseas with caked material after exposure to marine humidity. Transparent, real-time communication and fast replacement build confidence and keeps us honest about rare but inevitable transit mishaps.

    Sustaining Safety and Environmental Responsibility

    Over the years, producing Benzamidine Hydrochloride Hydrate ingrained a deep respect for safety—both for our own people and the communities around us. Handling benzamidine means strict dust controls, personal protective equipment, and careful effluent management. Waste streams containing amides or chloride are neutralized and filtered for both legal and ethical reasons. Many customers ask for certificates on product origin and environmental compliance; we answer them with documentation, not just promises.

    Global chemical standards evolve fast. Expectations for low chloride emissions, solvent minimization, and trace contaminant control keep rising. Our plant invests in closed-loop water systems and ongoing operator training—decisions that make financial sense only through years of returns from satisfied, repeat users. Our team’s mindset aligns with those of our clients, who balance performance needs with regulatory, worker safety, and sustainability demands. This shared commitment drives collaboration toward cleaner, safer chemistry.

    Learning From Users—Improvement Through Dialogue

    Direct engagement with researchers, engineers, and technicians yields new standards and better outcomes. Customer teams running high-throughput screening or scale-up often uncover slow-to-dissolve granules or batch-to-batch variation. These honest reports drive us to upgrade our in-line blending equipment, adjust humidity and airflow, and trace down possible contamination sources. Such an integrated feedback loop is a defining feature of being a direct manufacturer.

    Failures sting more in a factory than in a boardroom. Each returned barrel, support call, or process deviation compels our team to dig deeper into root causes, often leading to new protocols or next-generation processes. Our commitment has built up an extensive knowledge base, rooted in solving real-world issues over thousands of tons shipped and hundreds of client relationships developed.

    Benchmarking Performance—Not All Benzamidine Hydrate is Alike

    Performance benchmarks matter. Our team regularly compares in-house product with major international samples, measuring dissolution rate, chromatographic purity, residue, and moisture stability. Some samples from trading companies claim purity on paper but fail practical dissolution or stability tests within a few weeks of storage. Consistency comes not from labeling, but from repeated, rigorous checks on synthesis, crystallization, washing, and drying—each run tied back to our core quality system.

    This sort of back-to-back testing, accompanied by open discussion of failures as well as successes, forges lasting relationships with technical users. Years of hearing the same product complaints—“sticky material,” “difficult to weigh,” “poor solubility,” “unknown color change”—drove us to root out problems at every production stage. We see every kilogram as an interface between our process and our clients’ trust.

    Innovating for Tomorrow—Driven by Real Experience

    Benzamidine chemistry enters new domains all the time. We receive requests to tighten residual solvent levels for diagnostic work or to develop low-dust, granular forms for high-speed blending. One client, running high-throughput affinity separations, traces minor background interference to insufficiently purified hydrate that slipped into the market elsewhere. By closely collaborating, our R&D and production teams adjusted post-synthesis steps to screen and remove the culprit, improving not just our standard but advancing the practice for all users.

    Long-term projects, from enzyme-based diagnostics to industrial process aids, require us to anticipate both stricter analytical controls and more demanding traceability. Documentation no longer ends with a simple certificate of analysis; it includes analytical chromatograms, stability dossiers, and batch histories that provide clarity for both scientists and regulatory reviewers.

    The Manufacturer’s Mindset: Learning, Improving, Delivering

    The heart of our experience with Benzamidine Hydrochloride Hydrate rests on a steady grind—routine, discipline, and attention to both detail and scale. Throughout the journey, factory personnel, research chemists, and client teams collaborate to turn chemical expertise and honest feedback into concrete advances. In practice, small refinements—better moisture controls, enhanced packaging, more complete impurity profiling—reap outsize rewards on process reliability and trust.

    The journey never ends. Each batch, process revision, customer inquiry, or logistical challenge adds to a growing body of experience. Direct manufacturing means carrying responsibility from the raw material dock to the customer’s laboratory bench. Problems met along the way drive improvements not only in our own factory, but also across our many long-term users. Benzamidine Hydrochloride Hydrate reflects more than a formula; it embodies a culture built over years of learning what works, what fails, and what matters most when chemicals serve as bridges between science and industry.