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Boc-hydrazine

    • Product Name Boc-hydrazine
    • Alias Boc-NHNH2
    • Einecs 259-612-2
    • 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
    Specifications

    HS Code

    988353

    Chemical Name Boc-hydrazine
    Iupac Name tert-Butyl hydrazinecarboxylate
    Cas Number 870-46-2
    Molecular Formula C5H12N2O2
    Molecular Weight 132.16
    Appearance White to off-white crystalline solid
    Melting Point 56-59°C
    Solubility Soluble in organic solvents like DMSO, methanol
    Storage Conditions Store at 2-8°C, keep tightly closed
    Smiles CC(C)(C)OC(=O)NN
    Purity Typically >98%
    Synonyms tert-Butoxycarbonyl hydrazine, N-Boc hydrazine
    Hazard Statements May cause irritation to skin, eyes, and respiratory tract

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

    Packing & Storage
    Packing Boc-hydrazine is packaged in a 25-gram amber glass bottle with a sealed cap, labeled with hazard, chemical, and safety information.
    Shipping Boc-hydrazine should be shipped in a tightly sealed container, protected from moisture, heat, and direct sunlight. It is typically transported as a solid under ambient conditions, but caution is advised due to its sensitivity. Ensure compliance with relevant regulations and include appropriate hazard labeling and documentation during shipping.
    Storage Boc-hydrazine should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from heat, moisture, and incompatible substances such as strong oxidizing agents. Protect from light and avoid exposure to air to minimize decomposition. Proper labeling and secure shelving are important to prevent accidental spills or contamination. Use personal protective equipment when handling.
    Application of Boc-hydrazine

    Applications of Boc-hydrazine in Industrial Manufacturing

    Boc-hydrazine plays a crucial role as an intermediate and protective group in advanced chemical synthesis. Our manufacturing experience supports large-scale, high-purity supply for regulated industrial production. This section details proven downstream applications across dedicated industrial sectors.

    1. Peptide Synthesis Intermediates

    Pharmaceutical manufacturers regularly apply Boc-hydrazine during solid phase peptide synthesis, especially for constructing peptide hydrazides required in subsequent modifications. Its use allows selective protection and deprotection in stepwise assembly, minimizing racemization and undesired side reactions. Large active pharmaceutical ingredient (API) plants rely on this raw material to streamline segment coupling, especially when designing custom linkers or peptide-based APIs for clinical and commercial supply.

    Industry compliance standards

    • European Pharmacopoeia (Ph. Eur.) Section 2.2.32, Peptide APIs
    • US FDA 21 CFR Part 210/211 cGMP for finished pharmaceuticals
    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Japanese Pharmacopoeia (JP XVII) guidelines for protected hydrazine derivatives

    Typical usage ratio

    • Mol ratios typically range from 0.9:1 to 1.2:1 Boc-hydrazine vs target peptide hydrazide functional groups
    • Final usage depends on peptide sequence length and resin loading; optimization under process QC

    Downstream process integration

    • Boc-hydrazine is introduced during the hydrazinolysis step after peptide chain elongation on resin
    • Used for selective N-terminal modification or for C-terminal hydrazide formation before cyclization or conjugation

    Final product types

    • Custom peptide APIs with C-terminal hydrazides (e.g., GLP-1 analogues, calcitonin derivatives)
    • Cyclic peptide drugs manufactured via hydrazide intermediates
    • Peptide linkers for site-specific antibody-drug conjugates (ADCs)

    2. Small Molecule Pharmaceutical Synthesis

    Large-scale pharmaceutical synthesis operations use Boc-hydrazine to prepare protected hydrazine intermediates in the development of anti-tubercular, antitumor, and CNS-active compounds. The Boc group shields the active hydrazine moiety against alkylation or unwanted side reactions until final deprotection under mild conditions, which is critical for process safety and product selectivity during multi-step synthesis.

    Industry compliance standards

    • ICH Q11 Development and Manufacture of Drug Substances
    • US EPA TSCA and REACH registration requirements for intermediates
    • WHO GMP standards for bulk pharmaceutical chemicals

    Typical usage ratio

    • Moles of Boc-hydrazine range from 1.0 to 1.3 equivalents per reactive carbonyl substrate, adjusted for purity and process yield targets

    Downstream process integration

    • Added in early or mid-stage synthesis to install or protect the hydrazine group
    • Deprotection with TFA or HCl solution immediately prior to final coupling or cyclization reactions

    Final product types

    • Isoniazid and hydrazine-derived drug intermediates
    • Hydrazide-protected anti-cancer lead compounds
    • CNS drug candidates for enzyme inhibition research

    3. Process Development for Peptidomimetic Research

    Contract research organizations (CROs) and R&D laboratories depend on Boc-hydrazine for method development in the synthesis of peptidomimetic scaffolds. Its stability is suited for high-throughput solid-phase synthesis and late-stage mutation of peptide analogues, supporting rapid library generation and SAR (structure-activity relationship) studies in medicinal chemistry.

    Industry compliance standards

    • OECD GLP guidelines for non-clinical laboratories
    • ISO 9001:2015 for chemical R&D quality management
    • Registration under local chemical control laws (e.g., China MEE, EU REACH)

    Typical usage ratio

    • Stoichiometry may vary from 0.8 to 1.5 equivalents, reflecting experimental substrate loading and screen design
    • Precisely measured to minimize waste in multi-well or automated platforms

    Downstream process integration

    • Introduced during solid-phase peptidomimetic assembly as a capping or modification agent
    • Enables fragment ligation, branch introduction, and labile group masking before functional screening

    Final product types

    • Ketopeptide mimetics
    • β-turn and helical foldamer libraries
    • Peptidomimetic enzyme modulators for early-stage drug discovery

    4. Custom Synthesis of Heterocyclic Scaffolds

    Specialty chemical producers incorporate Boc-hydrazine within modular synthetic routes for building heterocyclic scaffolds such as pyrazoles, hydrazones, and triazoles. The protected hydrazine structure streamlines handling and improves batch-to-batch consistency when scaling up for commercial pigment, agrochemical, or advanced material applications. Process engineers select this reagent to maximize conversion rates while limiting byproduct formation in constrained reactors.

    Industry compliance standards

    • ISO 9001:2015 manufacturing process controls
    • REACH compliance for industrial use of hydrazine derivatives in the EU
    • GHS/CLP hazard labeling for the safe handling of hydrazines

    Typical usage ratio

    • Boc-hydrazine input ranges from 0.95 to 1.1 mole per targeted cyclic intermediate
    • Fine-tuned based on substrate activity and impurity profile requirements

    Downstream process integration

    • Added at the protected hydrazine coupling stage
    • Ensures selective cyclization in solvent or melt phase; Boc group removed before final purification

    Final product types

    • Pyrazole-based pigment intermediates
    • Triazole herbicide precursors
    • Advanced heterocyclic building blocks for high-performance materials

    5. Synthesis of Hydrazide-Linked Bioconjugates

    Diagnostic reagent manufacturers employ Boc-hydrazine to synthesize hydrazide derivatives used for site-specific protein or polysaccharide conjugation. Applications include preparation of activated labels, affinity tags, and cleavable spacers in enzyme-linked immunosorbent assays (ELISA) and biotin-streptavidin detection systems. Its chemical stability ensures consistent performance during conjugation and downstream purification.

    Industry compliance standards

    • ISO 13485:2016 for in vitro diagnostic medical device standards
    • US FDA 21 CFR 820 Quality System Regulation for diagnostic reagents
    • CLSI standards for laboratory reagent validation

    Typical usage ratio

    • Reaction ratios from 1.0 to 1.3 equivalents, based on available aldehyde or carboxyl targets in biomolecule substrates
    • Adjusted to control degree of labeling (DoL) and avoid excess crosslinking

    Downstream process integration

    • Integrated into linker addition stages prior to biotinylation or fluorescent labeling
    • Deprotection and subsequent hydrazone formation with oxidized sugars or activated esters

    Final product types

    • ELISA substrate conjugates
    • Hydrazide-activated beads for bioseparation
    • Protein-hydrazide conjugates for surface immobilization

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    Certification & Compliance
    More Introduction

    Boc-Hydrazine: A Chemist’s Tool Shaped by Real Manufacturing

    Crafting Boc-Hydrazine: Why It Matters to Our Industry

    Every day in our production line, there’s a unique energy that comes with working on Boc-hydrazine. This molecule isn’t one you stumble on by chance — people ask for it by name, especially when they understand its role in synthesis. Boc-hydrazine, with the full name tert-butoxycarbonylhydrazine, earned its place in the lab by solving problems that older, unprotected hydrazine struggled with. Over the years, we’ve learned from chemists who rely on dependable protection for their hydrazines, particularly in pharmaceutical, industrial, and academic settings. In our work, we never treat this as just “another building block.” Boc-hydrazine stands out because it lets researchers and process chemists shape selective, clean reactions in multi-step syntheses, a need that comes up more often as synthetic targets grow complex.

    Cheminformatics data and purchasing records both hint at the same trend — Boc-derivatives see strong demand where N-acyl hydrazines or substituted pyrazoles emerge in drug development. In such syntheses, hydrazine alone has always offered reactivity, but not control. Raw hydrazine, whether anhydrous or as hydrate, can be tough to tame in certain transformations. Boc-protection calms that reactivity, and its removal, by acidolysis, doesn’t call for harsh degradation that could ruin valuable substrates. Our batches of Boc-hydrazine regularly ship to QC labs doing peptidomimetic work, to research groups building heterocycles, and to process development teams scaling active pharmaceutical ingredients. The reason for this demand isn’t an abstract “efficacy”; it’s practical utility.

    Our Manufacturing Approach Shapes the Product

    Chemical manufacturing at-scale doesn't happen in a vacuum. Each drum and bottle coming out of our reactors stands for precision and predictability. Our Boc-hydrazine batches typically target a chemical purity above 98 percent by HPLC, and we keep a sharp eye on moisture content, both to safeguard shelf life and to avoid triggering unwanted side reactions. In process chemistry, inconsistency costs time and resources. During our QC review, sharp melting points (usually 53-57°C among produced lots), minimal free hydrazine, and tight residual solvent control all show up on the final certificates. These aren’t just numbers. We designed those targets after years of feedback from contract development and manufacturing organizations who cannot afford to guess or hope when scaling up reactions.

    We keep full traceability for each lot, and every batch receives a stability assessment depending on the packaging unit. We’ve learned that even minor contaminant levels can turn a promising peptide project into a troubleshooting nightmare. For example, excess tert-butyl alcohol — common after incomplete removal during pulldowns — triggers cleanup headaches later in a route. Regular feedback from development chemists informs how we tune solvent washes and drying times. All of this comes together in what we ship as Boc-hydrazine, and it's shaped by the real needs of daily synthesis work, not just regulatory obligation.

    Boc-Hydrazine in Synthetic Chemistry — Real-Life Use Cases

    Step into any pharmaceutical process lab and Boc-hydrazine is never far from sight during the assembly of hydrazide intermediates and custom analogues. It’s central to fragment coupling steps, usually where uncontrolled hydrazine would introduce over-reactions or side-chain scrambling. Our customers often use it for the site-specific protection of hydrazine units, aiming to avoid hydrazone formation too early or protect downstream functionality.

    The compound enters the conversation naturally where orthogonality comes into play. Hydrogenolysis isn’t always gentle enough for fragile peptides or nucleoside derivatives, and methyl or benzyl hydrazines can be too sticky for simple deprotection. With Boc-hydrazine, chemists gain that precise control, letting them run acidolysis or switch to base-catalyzed release — the versatility becomes obvious as soon as projects move from milligram screening to kilo scale.

    Each month, we field questions about reaction compatibility, solvent preference, and byproduct profiles. We’ve drawn insights not from theory, but from talking directly with process chemists facing real synthetic hurdles. Boc-hydrazine’s stability profile stands up well in basic and mildly acidic conditions, but rapid hydrolysis or decomposition will follow with stronger mineral acids, especially at elevated temperatures. Those limitations are important; process engineers use that predictability to dial in the right cleaving conditions rather than risk overexposing critical intermediates.

    Cross-disciplinary work (between process, analytical, and scale-up) often reveals the hidden challenges of Boc-hydrazine usage. We've worked with groups frustrated by the water solubility of simple hydrazines, which tend to co-migrate and complicate extraction. Boc-hydrazine’s low water solubility means it favors straightforward organic extraction and isolation; this saves precious time during workup, allowing techniques like flash chromatography or precipitation, sidestepping the need for extensive solvent adjustment or distillation after every cycle.

    Differences from Other Hydrazine Reagents

    Experience has shown us that the main comparison always comes down to practical performance. You may see other N-protected hydrazines on the market, but their “protection” often trades off ease of removal or chemical stability. For instance, benzyloxycarbonyl (Cbz) hydrazines resist acid well but create extra steps through hydrogenation, a path that doesn’t always tolerate modern functional groups. Phenylhydrazine, though time-honored, brings hazard and strong smell, which complicates workplace safety. Boc-hydrazine, by contrast, strikes the right balance of chemical protection and predictable removal.

    Traditional hydrazine hydrate remains dirt cheap, but its lack of selectivity translates directly into longer purification times and increased risk — especially above gram scale, where foaming and uncontrolled reactivity can quickly snowball. For sensitive nitrogen-dense heterocycles, unprotected hydrazine often can’t deliver the clean product required by regulatory or medicinal standards. Boc-hydrazine’s selective reactivity solves these problems without forcing synthetic chemists into longer, multi-step protection–deprotection chains.

    Diazotization or acylation reactions, common in making active pharmaceutical compounds, highlight these differences. Directly using hydrazine in these routes usually results in scrambling and tarring; Boc-hydrazine responds properly, releasing only the required nucleophilic nitrogen at the preferred site, and does so under controlled, scalable protocols. Over the last decade, we’ve worked with several clients who saw significantly higher isolated yields and much cleaner spectra after switching from legacy hydrazines to our product.

    Some protection strategies rely on Fmoc or Alloc groups, especially in peptide work. Those groups require dedicated deprotection conditions or, in the case of Fmoc, generate dibenzofulvene and need base scavengers, which can complicate cleanup. Removing the Boc group, by contrast, doesn’t result in persistent or chromophoric byproducts — usually, tert-butyl cations and CO2 evolve, which vent harmlessly under fume. Efficient removal keeps the downstream steps uncluttered and helps processes keep pace as projects move from bench to pilot plant.

    Boc-Hydrazine: Handling and Storage from a Manufacturer’s Lens

    We often get hands-on feedback from bench chemists who manage open bottles and repeated cycles of weigh-outs. As a manufacturer, we focus on packing Boc-hydrazine in high-integrity containers that block moisture ingress and shield from air. Both shelf life and ease of use depend on this. The product absorbs water only with extended exposure, so our standard bottle closures lock out humidity for periods measured in months. We calibrate our own inventories so every outgoing lot ships within a stable window — not just to maximize shelf life, but also to ensure no free acids or tert-butanol accumulate over time. Staff who handle the drum or kilo quantities use standard PPE without high-risk protocols — a significant contrast to pure hydrazine hydrate, which brings strict toxicity and reactivity rules.

    We found that even at larger scales, Boc-hydrazine handles almost like an ordinary crystalline solid. Flowability, non-dusting, and no offensive odor mean chemists work with more confidence. In rare cases, we have seen slightly yellowed material, usually from trace decomposition by high-shear drying or overexposure to heat. Our team regularly tunes our process to minimize these risks, and we run stress checks if customers describe challenging storage conditions or plan on long-term logistics. Real-world mistakes happen, and those lessons improve every batch.

    Material Specifications: Our Choices Reflect Real-World Demands

    On our line, every specification for Boc-hydrazine serves a purpose rooted in practicality. High HPLC purity doesn’t just look good on a certificate; it protects project timelines, keeps scale-ups clean, and removes the headache of unknown peaks in analytical readouts. Color and clarity matter because downstream reactions can magnify even small levels of byproducts — research and process teams depend on lots matching expectation order after order. We tune our manufacturing temperature, solvent choice, and batch size according to this need for reproducibility.

    Our specifications grew out of industry realities, not just a desire to chase numbers. Bulk density, particle size, and melting point consistency are often afterthoughts in specification sheets. Through supplier audits and customer returns alike, we learned that process suitability sometimes hinges on these basics. Reliable pouring, easy transfer for automated weighing, and consistent crystallinity support not just bench-scale work but also fully automated kilo-scale runs.

    Being Responsive: Real Lessons from Real Projects

    In the last decade, feedback from both academic and industrial partners shaped how we think about Boc-hydrazine. Process engineers want predictability; R&D teams want flexibility; QA wants traceability. We understand the insistence on consistent purity and the anxiety that comes from drifting quality from batch to batch. Rework isn’t just paperwork — it ties up capacity, disrupts timelines, and creates waste. Our technical service team often visits customer sites to trace issues, identify root causes, and bring back those findings to optimize the next manufacturing campaign.

    One particularly instructive project involved scaling a peptidomimetic API, where minor impurities in the Boc-hydrazine led to downstream product discoloration. After root cause analysis, we tuned our process to eliminate the specific process-derived impurity, introducing an extra recrystallization rinse at critical points. Since then, many customers have noted the improvement not just in purity but also in the look and consistency of individual lots. That kind of hands-on tuning, matched to authentic project needs, keeps our quality cycle honest.

    Projects have also highlighted the near-invisible value of flexibility in packaging. Research-driven customers sometimes ask for 25-gram vials, while plant engineers need sealed pails for bulk runs. The way a kilo batch handles on transfer and storage can affect yield or introduce error into the ERP documentation. We adjust our fill volume and closure style for each order, aiming to avoid bridging between R&D small-scale and commercial bulk.

    Boc-Hydrazine and the Path Forward

    A lot has changed in synthetic chemistry — new reaction types, push for automation, minimal solvent waste targets — but Boc-hydrazine remains in demand. There’s no mystery about why: it works. Project managers, process chemists, and QC analysts keep coming back to it because they value process reliability above all else.

    Newer analogs and protecting groups, especially ones tailored for click chemistry or high-throughput screening, emerge every few years. Our experience tells us that Boc-hydrazine holds its ground based on its practical reactivity range, controllable deprotection, and respect for downstream user convenience. We keep talking to chemists using our material every month and find that long-term performance trumps short-term trends.

    Supporting Sustainable and Responsible Chemistry

    Every chemical manufacturer faces scrutiny over lifecycle waste, solvent emissions, and safe handling. From day one, we chose to fine-tune our Boc-hydrazine process to minimize waste and contain hazardous intermediates on site. More than once, customers have shared concerns about lingering traces of hydrazine hydrate or organic solvents in their supply chain. To address this, we set up in-line scavenging and neutralization units that cap off any vented volatiles, bring waste streams to safe disposal, and enable closed handling for highly potent intermediates.

    Safer chemistry doesn’t just mean safer products. It shows up in how we train our own staff, specify containers, and work with supply chain partners. For Boc-hydrazine, that means investing in solid-phase drying, making real-time environmental monitoring standard during production runs, and working with logistics companies who understand the regulatory landscape for specialty chemicals. The result is a material that supports sustainability targets without sacrificing product performance.

    Building Trust with End-Users

    Trust forms over time, not just through a single delivered lot. Chemists rely on predictable reagents to keep research moving and avoid disruptively repeating runs. At our plant, we listen for problems and go back to the process drawing board when a batch doesn’t meet expectations. Boc-hydrazine sits at a crossroads between price and performance, and we don’t cut corners — raw material selection, production timing, and even work-up conditions all receive full attention and documentation.

    We see plenty of trends come and go, but the need for responsible chemical supply never fades. Customers know us for transparency during audits, support during troubleshooting, and the committed follow-through necessary in regulated or high-value projects. Boc-hydrazine remains a prime example of how purpose-driven chemical production can answer concrete problems in today’s research and manufacturing environments.

    Our Perspective: Looking Beyond the Label

    As the original maker of Boc-hydrazine, our business roots go back to listening, learning, and adapting. Every bottle or drum starts with honest conversations between our technical experts and those on the project front lines. The details — purity, stability, batch consistency — tie directly to the triumphs and setbacks of individual synthetic campaigns. Each project brings new challenges, and the best solutions grow from experience, not fixed recipes.

    We don’t approach Boc-hydrazine as a faceless commodity. Every lot reflects hard-won lessons about chemical safety, process efficiency, and respect for downstream scientists. Our work is to keep those lessons alive in each step, from raw material selection to final shipment. If past performance shapes future trust, Boc-hydrazine remains as much a testament to those relationships as to the chemical transformations it enables.