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

L-Tyrosine Hydrazide

    • Product Name L-Tyrosine Hydrazide
    • Alias Tyrosine hydrazide
    • Einecs 446-400-5
    • 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

    965625

    Product Name L-Tyrosine Hydrazide
    Chemical Formula C9H13N3O2
    Molecular Weight 195.22 g/mol
    Cas Number 3726-09-8
    Appearance White to off-white solid
    Melting Point 212-215°C (decomposes)
    Solubility Soluble in water
    Purity Typically ≥ 98%
    Storage Conditions Store at 2-8°C, protected from light
    Iupac Name 2-amino-3-(4-hydroxyphenyl)-N'-methylcarbamohydrazide
    Synonyms Tyrosine hydrazide
    Ph 1 Solution In Water Approximately 5-7
    Ec Number 223-044-9

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

    Packing & Storage
    Packing L-Tyrosine Hydrazide is packaged in a sealed 25g amber glass bottle with a tamper-evident cap and clear labeling.
    Shipping L-Tyrosine Hydrazide is shipped in a tightly sealed container, protected from light and moisture. It is packaged according to standard chemical transport regulations, ensuring stability and safety. Appropriate hazard labeling and documentation, including a Safety Data Sheet (SDS), accompany the shipment. Shipping routes comply with international and local chemical transport laws.
    Storage L-Tyrosine Hydrazide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of heat and incompatible substances such as strong oxidizers. Protect from light and moisture. Ideally, it should be kept at 2–8°C (refrigerator temperature). Proper labeling and adherence to safety protocols are recommended to prevent contamination and degradation.
    Application of L-Tyrosine Hydrazide

    Applications of L-Tyrosine Hydrazide in Industrial Manufacturing

    L-Tyrosine Hydrazide serves as a specialized intermediate across multiple process-driven industries. Our production capabilities support stringent QC and batch traceability, enabling consistent supply to global formulators and system integrators. Below are principal application areas and a technical breakdown for each route.

    1. Peptide Synthesis for Pharmaceutical Actives

    L-Tyrosine Hydrazide is widely used as a protected amino acid derivative in solid phase peptide synthesis (SPPS). In pharmaceutical peptide APIs production, it enables selective deprotection and coupling strategies for C-terminal modification. Researchers utilize it in developing therapeutic peptides such as peptide hormones and enzyme inhibitors. The material must comply with strict handling protocols to ensure impurity control and reproducible yields. Dosing levels are determined by resin loading, peptide length, and side-chain compatibility.

    Industry compliance standards

    • ICH Q7 GMP Guidelines for APIs
    • United States Pharmacopeia (USP) General Chapters for Peptide Drug Substances
    • European Pharmacopoeia (Ph. Eur.) Monographs for Active Pharmaceutical Ingredients
    • FDA 21 CFR Part 211 for Finished Pharmaceuticals

    Typical usage ratio

    • 1.02 - 1.10 molar equivalents per peptide bond, adjusted based on resin substitution level and coupling efficiency

    Downstream process integration

    • Pre-activated and loaded onto resin during SPPS elongation
    • Participates in hydrazinolysis for C-terminal hydrazide formation before purification and modification
    • Integrated within protected peptide assembly and subsequent deprotection cycles
    • Used under inert atmosphere and moisture-controlled environment

    Final product types

    • Synthetic therapeutic peptides
    • Biologically active peptide APIs
    • Diagnostic assay peptides
    • Custom peptide libraries for pharmaceutical R&D

    2. Chemical Enzyme Substrate Preparation

    As a hydrazide-functionalized derivative, the material acts as a critical intermediate in synthesizing chromogenic and fluorogenic enzyme substrates for biological assays and clinical diagnostics. Laboratories and diagnostic manufacturers demand consistent purity and batch reproducibility to avoid assay inconsistencies. Reaction controls must focus on minimizing side reactions and hydrolysis during downstream modifications. Typical usage ratios reflect both substrate molarity and modification targets.

    Industry compliance standards

    • ISO 13485:2016 Medical Devices – Quality Management Systems
    • European In Vitro Diagnostic Regulation (IVDR) (EU) 2017/746
    • Clinical Laboratory Standards Institute (CLSI) C24 Guidelines for diagnostic reagents
    • REACH Regulation (EC) No 1907/2006 for laboratory chemicals

    Typical usage ratio

    • 0.8 – 1.2 molar equivalents per labeling or conjugation site, with adjustment depending on detection system and final assay format

    Downstream process integration

    • Conjugation through hydrazone formation to dyes, enzymes, or reporter moieties
    • Incorporated after solid-phase synthesis or during solution-phase labeling reactions
    • Purification via high-performance liquid chromatography (HPLC) post-labeling
    • Used under controlled pH and temperature for selective coupling

    Final product types

    • Enzyme assay substrates
    • Fluorescent and chromogenic probes
    • Diagnostic reagent kits
    • Bioanalytical assay components

    3. Bioconjugate Linker Manufacturing

    L-Tyrosine Hydrazide serves a key function in the preparation of site-specific linkers for antibody-drug conjugates (ADCs) and protein modification. Contract manufacturing organizations and bioconjugate developers require narrow impurity profiles and tight molecular specifications. Hydrazide chemistry allows precision attachment to carbonyl-containing drugs or carrier systems, forming stable hydrazone bonds. Dosage requirements depend on protein loading and desired degree of conjugation.

    Industry compliance standards

    • USP <1045> Biotechnology-derived APIs
    • GMP manufacturing under EU EudraLex Volume 4
    • FDA Guidance for Industry: Immunogenicity Testing of Therapeutic Protein Products
    • Standard ISO 9001:2015 for quality control in bioproduction

    Typical usage ratio

    • 1:1 molar ratio to targeted protein or antibody functional group, with process modulation for over-labeling avoidance

    Downstream process integration

    • Introduced during linker payload synthesis or bioconjugate formulation steps
    • Activated and covalently attached under mild aqueous conditions
    • Excess reagent removed by ultrafiltration or desalting
    • Integrated with in-process QC monitoring for conjugation degree

    Final product types

    • Antibody-drug conjugates (ADCs)
    • Protein-drug conjugates
    • Site-specific labeling kits
    • Polymer-protein conjugates

    4. Specialty Chemical Building Block for Agrochemical Discovery

    The hydrazide derivative is increasingly selected for structural diversification in agrochemical R&D pipelines, supporting lead optimization and metabolic studies. Synthetic chemists employ it to construct bioactive hydrazone derivatives for fungicide and pesticide candidate screening. Process development must consider material compatibility with various heterocyclic, aromatic, and aliphatic moieties in precursor libraries. Regulatory traceability and characterization dominate supply contracts for agrochemical labs.

    Industry compliance standards

    • OECD Principles of Good Laboratory Practice (GLP)
    • EPA 40 CFR Part 172 – Experimental Use Permits for Pesticide Testing
    • CLP Regulation (EC) No 1272/2008 for chemical labeling and hazard assessment
    • ISO/IEC 17025:2017 for laboratory analytical testing

    Typical usage ratio

    • Stoichiometric amounts matched to intended hydrazone formation; generally 0.95 – 1.05 molar equivalents per reaction step

    Downstream process integration

    • Inserted during late-stage building block synthesis for structure-activity studies
    • Reacts with carbonyl-containing screening compounds in organic solvents
    • Followed by direct isolation or in situ transformation for yield improvement
    • Feeds into downstream biological evaluation as part of lead validation

    Final product types

    • New agrochemical scaffolds for field trials
    • Lead compound analogs for biological efficacy testing
    • Intermediates for fungicide and herbicide candidates
    • Chemically labeled reference standards

    5. Analytical Reagent Synthesis for Chromatographic Applications

    Analytical chemistry laboratories harness L-Tyrosine Hydrazide as a derivatization agent for carbonyl detection in amino acid analysis and peptide sequencing. Key users require performance consistency and precise functional group reactivity for reproducible results in HPLC and LC-MS experiments. The usage ratio relates to analyte concentration and excess for completeness of derivatization. The process integrates both sample preparation and post-column detection schemes.

    Industry compliance standards

    • ISO/IEC 17025:2017 for testing and calibration laboratories
    • FDA GLP Regulations 21 CFR Part 58 for analytical studies
    • European Pharmacopoeia (Ph. Eur.) guidelines on chromatographic purity
    • Good Chromatographic Practices (GCP)

    Typical usage ratio

    • 2 – 5 molar equivalents per target analyte, optimized for total conversion and detection sensitivity

    Downstream process integration

    • Used in pre-column derivatization during sample prep
    • Mixed with analyte solution, then injected onto chromatographic systems
    • Assists in structural elucidation and quantification in QC labs
    • Supports method development for regulatory submission batches

    Final product types

    • Certified reference materials for laboratory QA
    • Derivatized amino acids for research and clinical laboratories
    • High-purity analytical reagents
    • Standard solutions for HPLC/LC-MS testing
    Free Quote

    Competitive L-Tyrosine Hydrazide 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

    L-Tyrosine Hydrazide: Designed from Chemistry for Real-World Demands

    The Story Behind Manufacturing L-Tyrosine Hydrazide

    Manufacturing chemicals, especially specialty compounds like L-Tyrosine Hydrazide, requires more than just process know-how. Every batch reflects months, sometimes years, of lab work, scale-up trials, and adjustments on the production floor. Our L-Tyrosine Hydrazide model—known in-house as LT-HZ462—emerged after repeated upscaling and feedback sessions with both our R&D and operations teams. Sourcing L-tyrosine of pharmaceutical grade, we refine it using our proprietary hydrazide conversion protocol, which employs controlled hydrazine addition, anti-oxidizing conditions, monitored exotherms, and right-through-to-filtration purity checks. We've been applying lessons from amino acid processing for over two decades, which keeps our process consistent from kilogram to commercial batch size. This groundwork minimizes surprises: every shipment aligns with the specs our partners expect.

    Why L-Tyrosine Hydrazide Stands Out

    L-Tyrosine Hydrazide sits in a rare category of specialty amino acid derivatives. The hydrazide group unlocks distinct reactivity that standard L-tyrosine lacks. Many of our customers choose it for peptide chemistry, particularly when building custom peptide sequences, labeling studies, or synthesizing biologically active conjugates. The hydrazide moiety offers entry points for streamlined coupling, especially in hydrazone or acyl hydrazide linkages, which have applications in bioconjugation protocols. We supply the compound in white crystalline powder, bulk-packed under nitrogen, with a typical purity not less than 98% by HPLC. Each batch comes straight from our reactors, not via third parties or repacks, because we have the equipment, know-how, and structured documentation to make it reliably.

    Meeting the Specification: Purity, Form, and Handling

    Specifications for L-Tyrosine Hydrazide have been defined by both rigorous in-house testing and regular customer input. Most users require material in a free-flowing, non-hygroscopic state, soluble in common organic solvents and buffer systems. Typical molecular formula is C9H13N3O2, with molecular weight around 195.22. Melting point averages 188–191°C, which we confirm by differential scanning calorimetry on every lot. These numbers aren’t marketing material; they came from real batch records and years of refining our process steps. We avoid phthalates and residual heavy metals by sticking to glass-lined reactors and closing all loops between synthesis and drydown, which effectively eliminates cross-contamination. Every production run is analyzed by HPLC, FTIR, and in-house NMR to ensure no hydrazine over-treatment or polymeric impurities make their way into the packed drums.

    Usage in Labs and Beyond

    In real laboratory workflows, L-Tyrosine Hydrazide gets deployed as a coupling partner in peptide chain extension, or as a scaffold for attaching probes, dyes, and drug payloads. We have seen uptake from academic peptide labs, diagnostic kit developers, and biotech companies focused on immunoconjugates. Research teams value the ability to import the hydrazide group without introducing excess protecting groups, which translates to fewer deprotection cycles and cleaner products at the end of a synthesis route. Diagnostic assay makers often use our hydrazide form when developing colorimetric or chemiluminescent probes, where site-specific labeling at the N-terminus of a peptide matters. Some groups even use L-Tyrosine Hydrazide to anchor linkers that eventually bind to biomolecule carriers or solid supports for affinity purification—thanks to the reactivity of the hydrazide with aldehyde-functionalized surfaces.

    What Sets L-Tyrosine Hydrazide Apart from Similar Products

    Unlike straight L-tyrosine, the hydrazide substitution delivers key reactivity that opens avenues in synthetic modifications. Compared to general hydrazides we also produce, L-Tyrosine Hydrazide carries the signature aromatic ring and phenolic group: a feature that supports both conjugation and free radical scavenging in chain chemistry. While there are alternative hydrazide-containing amino acids (such as glycine hydrazide or alanine hydrazide), those lack the aromatic scaffold—this structural distinction matters when it comes to both coupling kinetics and hydrophobic interactions in downstream biomolecule recognition. L-Tyrosine Hydrazide includes the phenol moiety, which can participate in hydrogen bonding, potentially stabilizing three-dimensional peptide structures after conjugation.

    Customers sometimes ask whether simple hydrazine or its hydrochloride salt might substitute for our product in certain ligations. Hydrazine solutions can introduce unwanted side reactions, and free hydrazine is a regulatory hazard that most synthetic teams avoid. Our solid product offers a safer, predictable, and more precise handle for targeted transformations. We chose our own processing conditions to limit residual hydrazine and unreacted starting material: every drum shipped keeps levels of total hydrazine well below the detection limit, confirmed by colorimetric assay and GC-MS. Beyond technical differences, an in-house product means stability studies and impurity profiles are available whenever customers require them.

    Batch Consistency: A Matter of Experience and Control

    Working as a manufacturer—rather than simply buying and selling—lets us drive the process from starting material to packed drum. We have adjusted our sequence over many campaigns to address impurities seen in early runs: for instance, pushing filtration and washing steps to maximize yield without sacrificing purity. Each worker in our specialty group receives cross-training in analytical and production tasks, so operations happen with clear feedback back to R&D. Batch records, from solvent charge sheets to drying logs, get maintained electronically and reviewed before shipping. Even routine changes—such as switching from standard to pharmaceutical-grade starting material—get tested in pilot before moving to full production.

    Our manufacturing scale has evolved with regular input from users—the material is available from gram to multi-kilogram lots. We never repackage bulk product bought off the open market. Everything starts from our own reactor, which ties into the reliability that research and technical teams expect.

    Firsthand Perspective: From Lab Bench to Factory Floor

    Chemistry doesn’t respect shortcuts. The first few campaigns taught us that hydrazides are sensitive to pH, oxidants, and even batch-to-batch water content changes. One summer, a heavy rainstorm shifted ambient humidity in the plant, which altered crystal habit and nearly affected downstream handling. Problems like this don’t disappear by themselves—so we installed humidity-controlled drying chambers to lock in consistent product morphology. There’s nothing abstract about losing a batch to poor moisture control; each improvement pays off not only in analytical numbers but in reliable delivery to customers.

    We have handled orders coming in from analytical chemists, life science startups, and established pharmaceutical companies. Each end user has different needs: some require custom particle size; others need tight packaging or extra stability studies. Our production team works with the technical support group to make practical changes, such as switching packaging from plastic to aluminum pouches for long-distance shipments to tropical climates.

    Environmental Controls and Worker Safety

    Responsibly producing hydrazide derivatives also means taking chemical handling and safety regulations seriously. We operate full fume control around hydrazine usage, and all operators use company-issued PPE fitted with ammonia and organic vapor cartridges. Waste streams undergo on-site neutralization and pH adjustment before disposal, following national environmental standards. Not once have we cut costs by skimping on exhaust treatment or ventilation: clean lines and regular maintenance audits keep both workers and products safe from cross contamination.

    Process validation extends to environmental monitoring, too—air and surface sampling happens before and after each run. Our attention to purification and safe material handling came about because, years ago, a residue problem almost lost us a key customer. After that lesson, we adopted more frequent line changeover validation and better staff training in cleaning protocols. Nobody wants chemical memory in their reactors; it takes real diligence, not just checkboxes.

    Quality Assurance: Real Data, Real Traceability

    Every container of L-Tyrosine Hydrazide we ship links directly back to its batch record and corresponding analytical data. We don’t just hand over spec sheets; many of our customers request access to individual lot analyses, and we handle those requests promptly. If a deviation ever turns up in product appearance or assay, our corrective actions begin on the plant floor, not in the office. This level of transparency springs directly from years of operator-led process improvement—an approach that keeps trust high with long-term partners.

    We operate a dual QC system: every batch gets checked by in-process analysts, and a second, independent review happens before release. Routine testing covers identity by FTIR and NMR, assay by HPLC, residual hydrazine by GC-MS, and moisture by Karl Fischer titration. In addition, end-of-line staff run visual inspections for color, flow, and presentation. Earlier in our company’s history, we saw how missed inspections could disrupt a whole production week; that’s where our extra set of eyes pays off.

    Packaging and Long-Term Stability

    Finished L-Tyrosine Hydrazide leaves our plant in drums or pouches, nitrogen-sealed, and often double-bagged to prevent ingress of oxygen and atmospheric contaminants. We run accelerated aging studies on every new lot format, keeping a reference sample from every run for at least two years. That approach has already helped us resolve storage questions raised by technical buyers worried about year-long transport or shelf-life in warehouse conditions. Long-term stability relies on both clean synthesis and genuinely dry final packaging—something we monitor not only on the lab scale but directly at the packing station.

    On one occasion, a shipment destined for a research institute arrived after months at sea, exposed to tropical ports. Because of the measures taken on our end, product quality met acceptance criteria by the receiving lab’s own analytical suite. That’s the difference made by controlling not just the synthesis but the details of storage and real-world transportation.

    Meeting User Needs: Working With Feedback

    Many improvements in our process came from direct feedback. Synthetic chemists sometimes report yield drops, leading us to identify trace ionic contaminants we had overlooked. In response, we fine-tuned rinsing protocols and worked with our utility managers to tighten control over water purification. More recently, a biotechnology customer sought a larger particle size for specialized column packing. Production adapted filtration equipment and log-checked outputs, finding a viable process window. After multiple deliveries, the user confirmed downstream performance matched expectations. Rather than assuming a single specification fits all, we view each batch as part of an ongoing dialogue between customer application and factory capability.

    We keep technical staff available for detailed conversations about use cases, scale-up challenges, or analytical verification. On-plant communications flow quickly to our R&D group, which speeds up troubleshooting if an unforeseen challenge emerges midway through a campaign.

    Comparing to Third-Party Supply Chains

    Our experience with third-party suppliers over the years has underscored the value of in-house manufacturing. Outsourced material sometimes arrives with variable impurity profiles, inconsistent particle size, or ambiguous batch records. These issues creep up when suppliers cut corners or split production among several contract plants. By keeping every step under one roof, we secure process know-how, intellectual property, and—most importantly—final product integrity. Not every customer recognizes these details at the purchase stage, but those who stay with us do so because they see repeatable results, run-to-run and year-to-year.

    Anyone in chemical manufacturing learns from setbacks: missed timelines, off-spec shipments, unplanned downtime. Through these lessons, we have built multiple redundancy layers into our order dispatch, plant logistics, and document tracking. Samples from every run are stored both physically and digitally indexed. If an issue surfaces months down the line, we pinpoint the source. This only comes by integrating manufacturing and logistics day-in, day-out—not through box-shifting or spot-buying reseller channels.

    The Real Work: Innovation and Continuous Improvement

    Over the lifecycle of a specialty compound like L-Tyrosine Hydrazide, research does not end after initial scale-up. Chemical structures, applications, and even regulatory standards change over time, so process adjustment remains constant. We habitually review batch yields, purification efficiency, and even ergonomics of packing operations in regular team meetings, inviting input from every production and QC operator. This instills a culture where process tweaks, whether minor or major, get implemented fast.

    We research new purification techniques as academic reports emerge, running pilot batches to compare against legacy approaches. Past experiments with continuous-flow reactors, for instance, shaved hours off production timelines and lowered solvent use for select steps. If greener synthesis or improved yield becomes possible, we adopt the method—no management memo required, just a working prototype and actual data. Our best innovations came not out of executive offices but from lab and plant floors where the process actually runs.

    Looking Ahead: Expanding Applications and Supporting Research

    L-Tyrosine Hydrazide continues to find new applications with research advancing in peptide therapeutics and custom labeling. Newer diagnostic technologies have started to rely on precision hydrazide coupling, requiring both batch-to-batch reliability and user support on reaction setup. Research into enzyme inhibitors, affinity purification resins, and peptide macrocyclization creates fresh requirements for product format, particle size, or customized labeling. Manufacturers who work directly at the synthesis stage can respond more rapidly to these changing demands than those merely brokering material between labs.

    In the coming years, regulatory frameworks and sustainability expectations will continue to influence how specialty chemicals are made and delivered. We prepare for these challenges through investments in waste treatment, in-process automation, and operator training. We keep technical dialogue open with users, because practical field experience drives product development in ways no industry report ever could. Our commitment to direct manufacturing, rigorous testing, and honest communication builds customer confidence—not through empty marketing, but by standing behind every drum and pouch we produce.