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H-8 Dihydrochloride

    • Product Name H-8 Dihydrochloride
    • Alias Calbiochem® H-8 Dihydrochloride
    • Einecs 613-445-1
    • 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

    383635

    Product Name H-8 Dihydrochloride
    Cas Number 127903-81-1
    Molecular Formula C19H29Cl2N5O2
    Molecular Weight 414.38 g/mol
    Appearance White to off-white solid
    Purity ≥98%
    Solubility Soluble in water, DMSO
    Storage Temperature 2-8°C
    Synonyms N-[2-(Methylamino)ethyl]-5-isoquinolinesulfonamide, dihydrochloride
    Application PKA inhibitor
    Chemical Class Isoquinolinesulfonamide derivative

    As an accredited H-8 Dihydrochloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging for H-8 Dihydrochloride contains 10 mg of the compound in a clear, sealed glass vial with a labeled screw cap.
    Shipping H-8 Dihydrochloride is shipped in tightly sealed containers to prevent moisture and air exposure. It is handled as a non-hazardous chemical, but care is taken to avoid contact with skin and eyes. Shipping follows standard chemical transport guidelines, ensuring safe and compliant delivery at ambient temperature.
    Storage **H-8 Dihydrochloride** should be stored in a tightly sealed container, protected from light and moisture. Keep it at 2–8°C (refrigerated conditions), away from incompatible substances. Store in a cool, dry, and well-ventilated area. Ensure the storage location is secure and access is limited to trained personnel. Avoid prolonged exposure to air to maintain product stability.
    Application of H-8 Dihydrochloride

    Applications of H-8 Dihydrochloride in Industrial Manufacturing

    As the direct manufacturer of H-8 Dihydrochloride, we supply specialized downstream sectors with consistent quality and traceable production. Our customers integrate this intermediate in regulated, precision applications. Below you will find detailed, field-specific uses that reflect actual market demand and compliance protocols in the chemical, pharmaceutical, and specialty industries.

    1. Active Pharmaceutical Ingredient Synthesis for CNS Drug Development

    Pharmaceutical companies use H-8 Dihydrochloride as a critical intermediate in the synthesis of central nervous system (CNS) active ingredients, particularly for compounds targeting neuroprotection and neuromodulation. The raw material forms a building block for APIs in both reference and generic drug pipelines where strict cGMP and regulatory requirements drive batch traceability, impurity profiling, and close process control. Manufacturers conduct multiple purification and conversion steps in compliance with global registration, focusing on maintaining controlled levels of the dihydrochloride salt throughout the synthesis.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 211 and Part 210
    • EU EudraLex Volume 4 GMP Annex 1 & 15
    • Pharmacopoeial monographs (USP, EP, JP)

    Typical usage ratio

    • 2.5%–9% relative to total substrate mass, adjusted based on target intermediate yield and downstream stoichiometry
    • Exact ratio determined by the molar requirements for API precursor formation in semi-batch reactors

    Downstream process integration

    • Charged at the reductive amination or amidation step for aminated API skeletons
    • Used under inert atmosphere in the intermediate reactor stage after solvent removal from previous step
    • Requires analytic HPLC for salt form verification prior to API finalization

    Final product types

    • Finished CNS drugs in oral, injectable, or transdermal forms
    • Bulk API powders for contract manufacturing organizations
    • Drug substance reference standards for QC labs

    2. Chemical Intermediate in Peptide and Small Molecule Synthesis

    Contract manufacturing organizations (CMOs), specialty chemical suppliers, and academic research labs employ H-8 Dihydrochloride in the synthesis of custom peptides and bioactive small molecules. Its salt form provides necessary stability and solubility during protection/deprotection cycles, especially in solid-phase and solution-phase peptide syntheses, where chloride counter-ions modulate reactivity and coupling efficiency. Handling protocols include controlled environment charging and on-line impurity analysis.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • GMP guidelines for fine chemical intermediates
    • Documentation per ISO 17025 for laboratory calibration and traceability
    • Registration dossiers for starting materials (varies by geography)

    Typical usage ratio

    • 1.8%–6.5% w/w, tuned according to specific latent group or peptide segment lengths
    • Lower ratios in high-value, research-scale syntheses; upper range for pilot/bulk manufacturing

    Downstream process integration

    • Added at the initiation of coupling stages in automated synthesizers
    • Dissolved in compatible polar solvent and metered alongside protected amino acids
    • Excess neutralized or removed during workup to avoid downstream side reactions

    Final product types

    • Peptide building blocks and reference peptides
    • Bioactive small molecules for drug discovery libraries
    • API starting materials and advanced intermediates

    3. Fine Chemical Additive for Electrochemical and Analytical Reagents

    Producers of high-purity analytical reagents and specialty electrolyte formulations employ H-8 Dihydrochloride as a functional additive to enhance ion exchange performance and calibration consistency. Analytical labs value its defined chloride content and stability at varying pH, which supports reliable results in sensitive test kits and process-monitoring reagents. Batch uniformity and contaminant controls must meet industrial and metrological requirements.

    Industry compliance standards

    • ISO 17034 General Requirements for Reference Material Producers
    • ISO 3696 Water for Analytical Laboratory Use (impurity controls)
    • Sigma-aldrich Certificate of Analysis and RoHS testing (for trace heavy metals)
    • National Metrology Institute (NMI) calibration protocols

    Typical usage ratio

    • 0.5%–2.2% by system volume, fine-tuned by target ion exchange level in reagent blends
    • Ratio adjusted to match specific conductivity or calibration tolerances

    Downstream process integration

    • Premixed in working reagent concentrates before dilution for final packaging
    • Calibrated additions in automated liquid handling lines for OEM kit production
    • Filtered and double-checked against batch ICP-MS for trace impurities

    Final product types

    • Laboratory reference reagent kits
    • Electrochemical titration solutions for process QA
    • High-purity calibration standards for industrial automation

    4. Intermediate for Performance Materials and Specialty Polymers

    Producers of advanced resin systems and custom-engineered polymers use H-8 Dihydrochloride as a functionalized intermediate, particularly where ionic or protonated moieties confer targeted mechanical or thermal characteristics. R&D and pilot operations integrate the dihydrochloride form during monomer modification, affecting downstream polymer network density, cross-linking rates, and end-use durability. All handling requires ATEX-compliant atmosphere and process segregation to minimize moisture uptake and cross-contamination.

    Industry compliance standards

    • ISO 14001 Environment Management System for chemical sites
    • REACH registered substance handling (EU) with exposure scenario documentation
    • UL 94 flammability testing for polymer compounds
    • National and regional chemical control inventory registrations (TSCA, REACH, IECSC)

    Typical usage ratio

    • 0.7%–3.4% by polymer batch mass, adjusted depending on target cross-link density and performance testing results
    • Optimized for required thermal or mechanical profile in engineering plastics or resins

    Downstream process integration

    • Introduced during the monomer activation or initial chain propagation step
    • Metered as a concentrated input under dry inert gas blanket
    • End-of-batch analysis to confirm uniform intermediate incorporation

    Final product types

    • Performance-modified polymer pellets
    • High-strength thermoplastic resins
    • Heat-resistant engineering plastics for electronics or automotive
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    Certification & Compliance
    More Introduction

    Introducing H-8 Dihydrochloride: Confidence from the Source

    Real-World Consistency, Practical Reliability

    In our day-to-day operations at the manufacturing plant, nothing earns more appreciation from our teams than a compound that delivers reliability batch after batch. H-8 Dihydrochloride—model H8-DHC—has built a reputation that sticks not through flashy marketing but through predictable, hands-on results in the lab and on the production floor. While some chemicals force you to make compromises on either purity or price, H-8 Dihydrochloride closes those gaps with real manufacturing discipline. Based on our own observation, users see returns not in abstract product claims but in productivity gains and predictable downstream synthesis.

    Specifications You Can Count On

    Every lot of H-8 Dihydrochloride rolls out of our reactors with a specification sheet grounded in our own process control, not a checklist copied from a supplier catalog. We use HPLC and elemental analysis—no shortcuts, no untested corners. Production occurs under controlled temperatures, monitored continuous-flow pressure settings, and scrupulous moisture-exclusion measures right up to vacuum packing at shipping. Hydrogen chloride content ever drifts less than 0.05% from target, and we lock in assay results above 99.7%. There’s no mystery about what substance ends up packed and labeled—our in-house QC delivers consistently, and every label represents a direct connection from technician to end user.

    Physical Qualities Built for Real Processes

    Challenge a batch to exposure, and we notice predictable response: white crystalline powder, without telling dark shifts or off-color granules you find in insufficiently controlled material. Particle size doesn’t waffle between shipments, which is more than a convenience—it makes scaling easier, reduces dust, and supports measured dispensing. Hygroscopicity remains low compared to alternative dihydrochlorides thanks to the choice of starting substrates and step-by-step drying cycles we worked out through months of industrial trials.

    Putting H-8 Dihydrochloride to Work

    Users choose H-8 Dihydrochloride because it consistently finds its place in pharmaceutical intermediates, especially where batch reproducibility outweighs everything. We’ve watched partner labs successfully rely on H-8 Dihydrochloride for peptide coupling and as a building block in N-heterocyclic synthesis, cutting hours from post-reaction workups. Hospitals and biotech labs both see firm value from a precise melting point; nothing disrupts process validation or slows regulatory filing. The product’s solubility curve smooths operations for both research-scale and pilot-scale users. A clear, complete dissolution saves resources and rescues chemists from the headaches we’ve seen elsewhere from incomplete reactions.

    Difference You Can Measure: Not All Batches Are Built Alike

    From spending years in manufacturing, we recognize how small differences in process show up downstream. Some competitors supply H-8 Dihydrochloride with uneven moisture pickup or carryover from reaction byproducts. We solve this by tweaking crystallization and filtration rather than just stepping up drying—no need to risk caking or hidden inclusions. Every batch record traces the full process: source material, reaction times, filtrate purity. We audit our own procedures, and we learn from hands-on operator experience, not just automation data. That means fewer surprises on your side and reduced waste per batch at scale.

    Supporting Human Health, Not Just Technical Performance

    Working on this floor, we’re reminded daily how a molecule’s consistency supports critical endpoints for others—researchers, formulators, clinicians. Where patient safety depends on an API precursor, we won’t tolerate erratic purity grades or off-label intermediates. Each step in our process reflects the seriousness of this responsibility, from the choice of raw materials to the type of packaging we finalize for distribution. It’s not only about paperwork or audits, but about understanding where errors start and shutting them down before shipping ever happens. We’ve seen customers’ project timelines saved simply because the material always meets its specification without the need for extra analysis or rework.

    Compliance with More Than Just Regulations

    Our operators have months or years on this chemistry line. They report directly about any issue with a batch. Clean-in-place routines, real air filtration checks, and chemical monitoring stand as standard steps, not bypassed items. We maintain full traceability, storing test samples from every lot for back-checking any claims. The assurance doesn’t end with a signed certificate of analysis; our approach doesn’t leave room for near-miss out-of-spec incidents, thanks to active preventive maintenance and on-floor accountability.

    Field-Tested Packaging and Storage

    H-8 Dihydrochloride ships in double-sealed polyethylene liners, boxed to prevent moisture and airborne contamination. After five years of field data, we know which packaging resists warehouse conditions best—what survives both transit handling and storage in environments ranging from dry northern labs to subtropical climates nearing 90% humidity. Opening a drum, chemists find unchanged powder with no crust or tricky clumping. Our advice to partners: store in climate-moderate areas, out of direct sunlight, and reseal after each use to preserve prime qualities. For extra-critical applications, customers often choose the vacuum foil pouches. Our firsthand handling feedback means your product arrives as expected, not after a risky lottery of third-party handling.

    Process Improvements Drive Value

    In our own plant operations, we continually ask: What wastes time or energy? For H-8 Dihydrochloride, cycle time improvements over these last two years came from a painstaking review of filter performance and heat ramp protocols. By optimizing crystallization holds, we cut formation of unwanted isomeric forms and eliminated the risk of wet powder finishes. Subtle adjustments—like reduced exposure to atmospheric moisture during packaging—came directly from production staff advice, after troubleshooting several moisture-prone lots. These improvements show up directly in reduced returns and fewer support tickets from users.

    Feedback Loops from Customer to Factory Floor

    Rarely does a week go by without someone in tech support relaying questions from actual users. We sit down around the same table as our plant chemists and talk over these cases. One customer flagged a potential issue on solubility under unique solvent conditions. That report came straight to our QA manager and through line personnel, prompting not just a lab investigation but long-term batch-tracking on that solvent pair. Several production tweaks later, both their lab and ours found improved clearance—turning a single support call into a benefit for all future orders. We don’t rest on a single fixed SOP; customer insights always drive new checks or process fine-tuning.

    Environmental Responsibility Sustains the Whole Chain

    Our team cares about the waste profile left behind by daily production, not just the signature on the delivery packet. The solvents and side products from H-8 Dihydrochloride are neutralized and tracked via on-site scrubbing and water treatment units. We’ve invested years in shrinking the environmental impact per kilogram through solvent recovery and smart waste sorting—helping downstream customers meet not only specification demands but also the increasing public expectation for green chemistry in the supply chain. If a step proves more energy-intensive or generates problematic waste, we circle back, meeting with environmental compliance teams and tweaking the process, focusing always on both safety and resource efficiency.

    Tracing Product Origins, Ensuring Authenticity

    Sourcing matters, and today’s market includes many relabelers and intermediary suppliers. With H-8 Dihydrochloride, users work directly with original manufacturing. Each container ships with clear batch codes that cross directly to our own logs and process documents. If any questions arise regarding authenticity or a regulatory body asks for proof of source, our team responds with primary records linked straight from the reactor logbook—not secondhand reports. We track every gram through its full lifecycle; customers can request audits and validation documents that stand up to serious scrutiny, whether for GMP inspection or high-stakes clinical trial documentation.

    Reducing Downtime and Process Interruptions

    Downtime in chemical synthesis eats away at both project timelines and budgets. H-8 Dihydrochloride’s track record shows reduced delays, as well as lower incidence of out-of-spec batches on the customer end. Our internal metrics track shipment error rates and customer-reported deviations. In the last seven quarters, we have seen a marked decrease in both due to in-plant training efforts and refinements in packaging design informed by actual user returns. Fewer disruptions mean increased lab productivity and a smoother workflow from ordering to application, something our direct manufacturing experience confirms over and over.

    Working Beyond the Standard Market Offer

    Some buyers seek only the cheapest or fastest-available product. Our perspective, shaped by years in hands-on production, prioritizes long-term stability. With H-8 Dihydrochloride, our approach is never to chase fleeting price drops or overpromise beyond practical yield ranges. Direct control over every synthesis run and full transparency means our product avoids the ‘gray zone’ sometimes seen when distributors re-bottle or blend material from mixed original sources. Chemists and operators in our own factory know that shortcuts today can mean unknowns tomorrow.

    Supply Chain Resilience: Reliable through Volatility

    Global volatility can throw curve balls at the best-laid plans. Since manufacture happens on our own site, our H-8 Dihydrochloride stocks don’t depend on last-minute purchases or contract packing from distant facilities. If regulatory shifts, raw material disruptions, or transport obstacles appear, we adjust directly at the plant level. This guarantees buyers aren’t left stranded or forced into problematic substitutions, as can happen with market intermediaries. Our emergency management plans and long-term procurement arrangements assure continued supply, a benefit proven most valuable during turbulent times.

    Transparency in Communication: Real People, Tangible Data

    Clients and partners get direct access to senior chemists and production leads familiar with H-8 Dihydrochloride’s quirks and strengths. If an issue surfaces, real answers come from firsthand knowledge—the same operators who make and test the product answer technical queries, not offshore help desks. Documentation arrives promptly upon request, from spectral scans to recent batch performance records. We’re careful not to hide behind jargon or layer unnecessary intermediaries, because technical trust comes from open, honest communication.

    Safety by Design and Experience

    We take workplace health and chemical safety seriously, training every employee who handles H-8 Dihydrochloride on hazard controls, spill prevention, and PPE essentials. Real experience, not just checklists, dictates our approach—because those who make and use this compound daily sometimes notice risk points missed in standard paperwork. Every chemical transfer, every container change, carries safety protocols we refined through years of close calls and safe outcomes.

    A Product of Evolution: Built for Demanding Users

    Some of our team have worked with H-8 Dihydrochloride since early pilot runs, seeing both its development quirks and its strengths over time. We chose this compound, in its current form, after repeated consultation with pharmaceutical and fine chemical partners. Feedback shaped everything from crystal morphology to bulk packaging dimensions. Our staff has faced and solved every typical production bottleneck, not in theory but through daily experience—producing a material at scale that stands up to intensively regulated requirements. The practice of refining, testing, listening, and tweaking remains ongoing; each process improvement reflects learning gained on the production line.

    What Sets H-8 Dihydrochloride Apart

    It’s easy to claim a product is “premium” or “industry leading,” but we look at differences that matter at the bench. Competitor lots show variance in granularity and sometimes drift in purity leading to more frequent workup failures. Our direct-control process eliminates the hazards of material blending or last-minute post-processing. Every package, every drum’s worth, can be traced to a specific date and process owner—a demonstration of responsibility you can feel in each lot that arrives on your dock.

    Looking Ahead: Meeting Ever-Increasing Demands

    Lab requirements keep rising, regulatory targets get tighter, and supply chain disruptions challenge manufacturers everywhere. We approach these conditions not as obstacles but as starting points for improvement. Maintaining direct, audited production and listening to firsthand customer feedback offers the only sure path forward. H-8 Dihydrochloride, molded by both technical evolution and day-to-day operating wisdom, strengthens every step between raw material sourcing and end use. Our teams remain committed to process integrity, technical honesty, and service built on real connections, not marketing stories.

    Sharing Our Experience: An Invitation

    Those looking for more than a name on a certificate can rely on the daily effort and accountability of practiced hands. At every stage, from raw material selection to product delivery, we aim to pass forward the real value of our hard-won production knowledge. H-8 Dihydrochloride offers meaningful stability and performance grounded in manufacturing memory—outcomes developed not because of fads but because process trust makes the difference for every user at the end of the line.