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Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid

    • Product Name Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid
    • Alias 1,2,3,4-Tetrahydro-β-carboline-3-carboxylic acid
    • Einecs 681-079-7
    • 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

    607249

    Chemical Name Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid
    Molecular Formula C11H12N2O2
    Molecular Weight 204.23 g/mol
    Cas Number 26833-87-4
    Appearance White to off-white solid
    Solubility Slightly soluble in water, soluble in DMSO and methanol
    Purity Typically ≥98%
    Storage Conditions Store at 2-8°C, protected from light and moisture
    Iupac Name 1,2,3,4-Tetrahydro-β-carboline-3-carboxylic acid
    Synonyms 1,2,3,4-Tetrahydroharmane-3-carboxylic acid
    Ph Of 1 Solution Approximately 3.0–4.5
    Logp 1.1 (estimated)

    As an accredited Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is packaged in a sealed 5-gram amber glass vial with a tamper-evident cap, labeled with compound details and safety warnings.
    Shipping Shipping of **Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid** requires secure, airtight packaging to prevent moisture and contamination. It should be transported at ambient temperature unless otherwise specified, compliant with local and international chemical transport regulations. Appropriate labeling, documentation, and safety data sheets should accompany the shipment to ensure safe handling and delivery.
    Storage Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid should be stored in a tightly sealed container, protected from moisture and light, in a cool, dry place. Avoid heat sources and incompatible substances such as strong oxidizers. It is recommended to store the compound at 2-8°C (refrigerated) and ensure proper chemical labeling and safety documentation. Access should be limited to trained personnel.
    Application of Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid

    Applications of Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid in Industrial Manufacturing

    Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid is a specialty intermediate used in several chemical manufacturing industries, particularly for its structural features and functional performance in complex synthesis. As a direct manufacturer, we deliver this compound to downstream sectors requiring precise input quality and documented origin, supporting tightly controlled processes and regulatory compliance.

    1. Pharmaceutical Intermediates for CNS Active Molecules

    Harmane derivatives serve as a core in the multi-step synthesis of central nervous system (CNS) modulating agents. Pharmaceutical manufacturers choose this compound for constructing β-carboline frameworks crucial in neuroactive drug synthesis. Our material meets stringent traceability and impurity control required for APIs and advanced intermediates, supporting scale-up from pilot to commercial batch sizes.

    Industry compliance standards

    • ICH Q7 GMP for active pharmaceutical ingredient manufacturing
    • US FDA 21 CFR Part 211 for finished pharmaceuticals
    • European Pharmacopoeia reference quality for intermediates
    • ISO 9001:2015 Quality Management System

    Typical usage ratio

    • 0.4–2.5 molar equivalents relative to the starting amine, tuned depending on route specificity and efficiency in late-stage functionalization

    Downstream process integration

    • We supply the material for direct use in condensation reactions and ring closure during CNS drug intermediate assembly, supporting both batch and fed-batch synthetic schemes

    Final product types

    • Anti-depressant drug precursors
    • Anti-Parkinsonian pharmaceutical intermediates
    • β-Carboline-based research molecules
    • Bulk generics API intermediates

    2. Agrochemical Synthesis – Plant Growth Modulators

    Major agrochemical firms utilize this raw material as a precursor in the synthesis of plant growth regulators and bioherbicide intermediates. Through selective carboxylation and controlled hydrogenation, formulators achieve the desired modulation effect for crops, ensuring balanced activity and field persistence.

    Industry compliance standards

    • ISO 9001:2015 for process quality control
    • FAO/WHO Codex Alimentarius maximum residue limits for crop protection products
    • REACH Annex IV/IX registration for European market supply
    • EPA TSCA inventory for US regulatory listing

    Typical usage ratio

    • 1–5% weight of total formulation mass, adjusted based on target crop, end-use field rates, and desired molecular activity

    Downstream process integration

    • Formulators introduce this compound following initial aromatic ring functionalization, leveraging its structural motif to yield target plant active molecules via cyclization, acylation, or oxidation steps

    Final product types

    • Selective herbicide intermediates
    • Growth modulator concentrate
    • Agrochemical technical grade actives
    • R&D novel compound libraries

    3. Analytical Reference Materials Production

    Reference material producers employ this carboxylic acid to calibrate analytical instrumentation, especially for β-carboline group quantification in forensic and pharmacological laboratories. Reliable origin and high-purity supply support certified reference material (CRM) production under exacting traceability protocols.

    Industry compliance standards

    • ISO 17034:2016 General requirements for the competence of reference material producers
    • ISO/IEC 17025:2017 Laboratory competence requirements
    • USP compendial standards for reference chemicals
    • ICH Q3A/B for impurity profiles in chemical reference standards

    Typical usage ratio

    • 100% neat or as certified solution in organic solvents, concentrations from 0.1–500 µg/mL tailored per calibration range specification

    Downstream process integration

    • Material enters at solution preparation and ampouling, with full analytical documentation and homogeneity validation prior to CRM batch release

    Final product types

    • Certified reference standards
    • Quality control spike solutions
    • Forensic laboratory analytical standards
    • Calibration mixtures for β-carbolines

    4. Fine Chemical Synthesis for Fluorescent Probe Manufacturing

    Specialty fine chemical manufacturers harness the compound’s bicyclic structure to synthesize rigid fluorophore scaffolds used in fluorescence-based assays. It supplies the molecular core for developing new chromophore libraries with specific excitation and emission windows, required in advanced analytical and bioimaging instrumentation.

    Industry compliance standards

    • ISO 9001:2015 Certification for analytical chemical production
    • EU REACH registration for specialty fine chemicals
    • RoHS Directive for electronics applications
    • Internal QA/QC SOPs for fluorescence consistency

    Typical usage ratio

    • 0.2–1.0 molar equivalents, variable with chromophore design protocol and fluorophore end-use brightness requirements

    Downstream process integration

    • Introduced at the core ring construction stage as a building block, followed by functional group addition to enable solubility, targeting, or spectral tuning for assay compatibility

    Final product types

    • Fluorescent dye precursors
    • Biological assay labeling reagents
    • Imaging probe raw materials
    • OEM formulation intermediates for diagnostics
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    Certification & Compliance
    More Introduction

    Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid: Insights from the Manufacturing Floor

    Introducing a Uniquely Engineered Chemical

    After years of hands-on manufacturing, I have seen how various compounds influence modern chemistry, but few stand out like Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid. Each batch produced on our line becomes a showcase of persistent research, quality-driven engineering, and a deep understanding of the compound’s natural properties as well as the synthetic pathways that make its production possible at commercial scale. This molecule, with its distinct piperidine backbone and carboxylic function, reflects an evolutionary step from more basic indolic structures often employed in labs.

    Model and Specifications from the Manufacturing Perspective

    In the chemical industry, form and function often go hand in hand. Our model for manufacturing Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid reflects this approach. Throughout development, purity thresholds have remained a central concern, particularly since this compound finds its way into sensitive research and applied science. Reaching a high-purity output is less an aspiration and more an operational anchor. Reliable purity means fewer downstream complications during application, which our customers have come to appreciate when transitioning from bench-scale to pilot batches.

    Grain size distribution, moisture content, and stability under varying storage conditions all come under real scrutiny during manufacturing. Our process engineers fine-tune parameters to avoid clumping and to maintain batch-to-batch reliability. This is even more critical as labs and commercial partners often rely on consistent performance over lengthy research or production cycles. Temperature control, especially during crystallization and drying, prevents degradation and preserves the compound’s integrity. Multiple quality checkpoints in every production run offer concrete evidence for each lot, not just marketing claims.

    Practical Uses: Learning through Practice

    Witnessing the rise of Harmane derivatives across scientific disciplines, it is clear the demand is no passing trend. Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid draws interest first from pharmaceutical developers investigating beta-carboline alkaloids and their neurological pathways. Our factory's routine batches frequently support trials exploring the modulation of neurotransmitter receptors. Customers routinely report they can depend on crystalline consistency and chemical stability, eliminating rework and sample rejection.

    Academic researchers and corporate labs use this compound to probe tryptophan metabolism and further study indole alkaloid biosynthesis. We see orders specifically designed for labeled isotopic studies, which call for a synthetic route minimizing isotopic dilution and cross-contamination—a tall order which only a well-configured facility achieves without compromise. The compound occasionally finds its way to niche agrochemical research labs investigating natural plant defense mechanisms, taking advantage of its role as a building block in the alkaloid family.

    Downstream, some polymer and material science projects have adopted Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid as a functional monomer or modifier. Here, thermal and chemical resistance under processing conditions becomes vital, which our proprietary stabilization steps guarantee. Biomedical startups also seek material suitable for early-stage device coatings, examining how carboxylic acid groups form bonds with both organic and inorganic substrates. Our staff communicate directly with application chemists to tweak dissolution rate or tailor particle shape, making sure our compound fits seamlessly into their formulation.

    Building on Experience: Improvements and Lessons Learned

    Manufacturing is not about hitting a number on a spec sheet, but about ensuring every kilogram leaves our door true to form, purpose, and promise. Early on, it became clear that Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid’s hygroscopic nature brought headaches in humid regions. New drying protocols, investments in enhanced bagging, and an R&D project focused on alternate salt forms delivered solutions: better flow properties, reduced clumping, and longer shelf life. All feedback, positive and negative, comes directly to the workshop and feeds right back into operations. It does not happen behind closed doors, but on the floor—often with chemists discussing improvements over the very vats producing the next run.

    Process waste and energy consumption have always been major ongoing concerns for any responsible manufacturer. Reducing solvent consumption and using closed-loop systems not only brings operational savings but also reduces environmental pressures—a shared responsibility. Our team’s practical experience has shown that modern automation tech paired with employee initiative leads to fewer deviations and rejects, plus a lighter footprint on the environment. Having seen traditional methods side-by-side with automated, reproducible systems, I can attest from daily interactions where true efficiency is found.

    Key Differences from Other Compounds

    Someone unfamiliar with Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid might confuse it for a basic beta-carboline or carboxylic acid derivative, but there’s more beneath the surface. Unlike common carboxylic acids, this product carries a tetrahydropyridine ring linked closely to its distinctive bioactivity. It behaves differently during crystallization, resisting the simple purification techniques often used for smaller analogues. Even minor trace impurities can alter both color and reactivity, something many researchers only discover after hands-on experience. That’s where decades of process tuning give us the edge, catching and correcting issues before the product reaches a client.

    Production scale makes another core distinction. While many university labs or small-batch companies rely on batch sizes under half a kilo, our reactors sustain multi-kilo campaigns with tight purity specifications. The difference becomes apparent in supply reliability and consistent analytical profiles. Keeping three or four analytical runs for every batch is a practice not driven by external compliance but by internal commitment—yields are important, but replicability matters far more when research and development budgets run high and timelines tight.

    End-User Focus: Adaptations and Customization

    A trend has developed for customized particle sizes and modifications to suit specific downstream processes. Formulators working with matrix-assisted synthesis or controlled release platforms request narrow size distributions to control dissolution rates or release curves. Small deviations—whether due to agitation speed or solvent phase handling—prompt immediate feedback, leading to in-process corrections long before shipping. These efforts keep the product ready for advanced use, reducing delays and unpredictable behavior in sensitive applications.

    Direct communication with customers, often application chemists or R&D leads, is part of the manufacturing rhythm. It bridges the gap between compound-centric production and technology-driven application. Some customers request additional drying or the inclusion of stabilizing excipients to accommodate particularly moisture-sensitive blends. The response comes not with generic promises but practical adjustments, using both tried-and-true and innovative methods to meet those precise requirements. Results speak through repeat orders and the long-term partnerships formed across continents.

    Choices in the Synthesis Pathway

    Synthetic routes for Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid present both challenge and opportunity. Early stages often mirror those used for indole alkaloids, but specialized reduction and carboxylation steps demand fine control of pressure, temperature, and reagent mix. Safety considerations receive significant attention due to the reactive nature of some intermediates. Automation aids in repeatability but never replaces the role of the skilled operators, whose vigilance keeps each batch from drifting off spec.

    Cost efficiency in synthesis often gets more attention than process sustainability, but we have learned both carry equal weight. Adopting new catalytic processes and continuously auditing solvent streams result in consistently high yields with minimal waste. As demand for the compound increases, scale-up brings fresh complexity rather than simple multiplication of inputs. Each adjustment creates real improvements in supply dependability—not just cost savings, but more reliable, on-time deliveries.

    Analytical Rigor: More than Just Quality Control

    Handling Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid from bulk delivery to final packaging, analytical rigor marks the difference between a reliable manufacturer and those content with “typical” standards. Because some customers pursue new regulatory authorizations or submit publications, matching spectral data and impurity profiles becomes a central service. Chromatography and spectroscopy methods, developed in-house, track not only major and minor components but also trace-level byproducts. Good manufacturing practice crept into daily habits long before audits dictated it.

    Returning clients often cite our willingness to share batch data, explain anomalies (rare though they are), and quickly track back through historical sample logs. Transparency counts. It brings peace of mind for importing labs who cannot accept untraceable sources and also strengthens collaboration with public health organizations checking for biocompatibility and toxicity thresholds. No defensive barriers exist between production and documentation—the two sit side by side.

    Responding to Real-World Challenges in Logistics

    Shipping chemicals such as Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid across the globe poses plenty of challenges. From fluctuating regulations governing hazardous material transport to sudden supply chain bottlenecks, only first-hand experience separates those who can react with agility from those running behind. Staff investment in robust, tamper-evident packaging and rigorously tracked shipments creates a supply history customers rely on. We pay attention as much to the journey as to the origin, adapting to packaging improvements, customs delays, and lessons learned in distribution.

    Stability trials under various temperatures and humidities allow us to confidently ship even in warm, variable climates, without customers risking chemical alteration. Staying engaged with shipping partners, monitoring trends such as new embargoes or packaging material restrictions, plus quick adaptation to evolving regulatory landscapes, ensures Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid keeps reaching our clients in the right condition, batch after batch.

    Collaboration and Open Feedback: Moving the Industry Forward

    A product’s journey does not end with the sale, and in the chemical industry, the feedback loop from lab to manufacturer underpins both progress and trust. Multiple collaborations with researchers worldwide—across universities, corporate labs, and public sector teams—move knowledge forward. Issues raised by formulation scientists, such as unexpected solvation effects or polymer compatibility, return to manufacturing as practical advice, prompting trials, process tweaks, or analytical deep-dives.

    We embrace open channels, encouraging partners to share both successes and setbacks. As more research teams push boundaries with Harmane derivatives, we remain ready to adjust, optimize, and support emerging applications. Joint projects sometimes lead to alternative forms, such as salt modifications or co-crystals, many of which start as experimental runs on our lines. Continued investment in both technical training and laboratory upgrades means no request sits outside reach, and each challenge shapes us into stronger partners.

    Vision for the Future: Sustainability, Safety, and Expansion

    Steering the manufacturing of Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid toward sustainable and safe operation means more than ticking boxes for external auditors. Our team places people and the environment at the center of every operational review. By upgrading containment systems and continually auditing effluent streams, we have minimized airborne emissions and effluent loads. Worker safety forms part of every shift meeting, going beyond regulatory checklists. Real stories of process improvement feed directly into performance bonuses and training incentives, making sure every improvement is lived, not just written down.

    Materials sourcing has changed as global resources become tighter and tighter. Careful selection of raw materials, validated through extensive testing, refines not just the chemical yield but also the ethical footprint. Local supplier development, eco-friendly logistics options, and lean packaging designs reflect our commitments. We understand the nuances that come from working at scale: a thousand-kilogram-per-year campaign amplifies both risks and opportunities. Maintaining vigilance means less surprise and more innovation, gained from inside experience, not theoretical models.

    The Human Factor behind Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid

    Every kilogram tells a story, not just of chemical synthesis, but of the people running and maintaining the lines, checking the samples, and ceaselessly improving small facets of the process. Deep knowledge emerges not in isolated R&D labs or strictly regimented managers' meetings, but in the back-and-forth of daily production, in quick pivots that avert raw material issues, and in late-night analysis verifying a batch for shipment. Such human contributions rarely get recognized in standard product brochures, but they define our reputation.

    In sharing our perspective as manufacturers, the intention is to bridge the gap between raw chemical and meaningful research, between sales and trustworthy supply. For years, this approach has set apart our Harmane-1,2,3,4-Tetrahydro-3-Carboxylic Acid from more generic options—because what leaves the building is more than a compound; it’s the sum of our shared commitment, experience, and vision for tomorrow’s science.