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5-Bromo-7-Nitro-1H-Indazole

    • Product Name 5-Bromo-7-Nitro-1H-Indazole
    • Alias 5-Bromo-7-nitroindazole
    • Einecs 816-129-1
    • 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
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    Specifications

    HS Code

    671417

    Product Name 5-Bromo-7-Nitro-1H-Indazole
    Cas Number 612519-78-5
    Molecular Formula C7H4BrN3O2
    Molecular Weight 242.03
    Appearance Yellow solid
    Melting Point 215-218°C
    Purity ≥98%
    Storage Temperature 2-8°C
    Solubility Slightly soluble in DMSO, DMF, and methanol
    Smiles Brc1ccc2[nH]nc([N+](=O)[O-])c2c1

    As an accredited 5-Bromo-7-Nitro-1H-Indazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 5-Bromo-7-Nitro-1H-Indazole

    Applications of 5-Bromo-7-Nitro-1H-Indazole in Industrial Manufacturing

    5-Bromo-7-Nitro-1H-Indazole serves as a high-value intermediate in fine chemical synthesis, primarily contributing to the advanced development chain for pharmaceuticals, agrochemicals, and specialty dyes. The following sections outline key downstream applications where this compound plays a critical role, describing sector-specific compliance, technical integration, formulation parameters, and representative finished products.

    1. Active Pharmaceutical Ingredient (API) Intermediate for Kinase Inhibitors

    Multinational pharmaceutical companies source 5-Bromo-7-Nitro-1H-Indazole for targeted synthesis steps in kinase inhibitor drugs, leveraging its indazole scaffold in complex heterocyclic core assembly. The compound enters multi-stage organic reactions under GMP environments, with quality control data tracked from incoming raw material to the formulated clinical candidate. Purity, traceability, and documentation support regulatory filings for small molecule drug registration.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP General Chapter <232> / EP 5.20 for Residual Solvents and Elemental Impurities
    • FDA 21 CFR Part 211 for Finished Pharmaceuticals
    • Certificate of Suitability (CEP) for European submissions

    Typical usage ratio

    • Reactant input: 0.9–1.2 molar equivalents relative to indazole core targets, adjusted for side reaction minimization and yield targets; consumption varies in stepwise additions per batch protocol.

    Downstream process integration

    • Integration at Stage 2 or 3 of heterocycle construction in medicinal chemistry scale-up lines; added post-bromination in SNAr or cross-coupling steps; monitored for trace starting material and regulated intermediates during batch release.

    Final product types

    • Kinase inhibitor APIs (e.g., for oncology, autoimmune disorders)
    • Small molecule anticancer agents
    • Research compound libraries for drug discovery
    • Regulatory submission samples and pilot lots

    2. Advanced Building Block for Agrochemical Synthesis

    Formulators in the agrochemical sector incorporate this compound during multi-step synthesis of functionalized pesticidal and herbicidal actives, benefiting from its electron-deficient aromatic ring. Its stability and reactivity under controlled nitration and halogenation conditions make it suitable for scalable batch production where lot-to-lot traceability is essential.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 for chemical safety
    • FAO/WHO Codex Alimentarius for pesticide specification
    • ECHA guidance for industrial use substances
    • ISO 9001:2015 for traceability and process management

    Typical usage ratio

    • Functional intermediate: 10–25% w/w of reaction substrate; modified based on subsequent derivatization pathway and desired aromatic substitution profile; optimized via pilot-scale yield studies.

    Downstream process integration

    • Charged during condensation or coupling with haloarene substrates; processed under inert gas atmosphere for purity retention, followed by purification for downstream transformation into bioactive agents.

    Final product types

    • Selective herbicides (indazole-based actives)
    • Custom pesticide research molecules for field trials
    • Precursor substances for combinatorial agrochemical synthesis
    • Reference compounds for environmental fate testing

    3. Precursor in Custom Dye and Pigment Manufacturing

    Technical dye producers employ the compound to achieve specific chromophoric effects in specialty pigment applications, making use of the nitro and bromo substituents to facilitate subsequent azo or coupling reactions. Integration as a starting block enables batch consistency and color reproducibility vital for automotive, textile, and plastics industries, meeting regulatory colorant safety requirements and end-use technical performance standards.

    Industry compliance standards

    • EN 71-3:2019 for migration of certain elements in toy pigments
    • Oeko-Tex Standard 100 for textile safety
    • ISO 9001 for pigment production process control
    • ASTM D5438 for organic pigments in plastics

    Typical usage ratio

    • Intermediate addition: 8–15% w/w in azo pigment pre-concentrations; levels adjusted based on desired final chroma and substrate compatibility; batch adjustments depend on physical dispersion results and customer specification.

    Downstream process integration

    • Initial input during diazotization or coupling with aromatic amines; enters reactor prior to main color body formation, followed by isolation and purification for stable pigment dispersion.

    Final product types

    • Specialty azo and indazole-based pigments
    • Automotive metallic effect dyes
    • Colorants for high-performance plastics
    • Textile printing inks

    4. Intermediate for Electronic Chemical Synthesis

    Electronic material manufacturers utilize the compound for constructing functionalized indazoles needed in organic electronic and photonic devices. Its electron-withdrawing substituents enable targeted tuning of energy band structures, critical for downstream semiconductor-grade preparations and stability against UV or thermal stress. Customers in this sector stipulate rigorous batch specifications, often requiring tailored purification and micro-contamination controls.

    Industry compliance standards

    • SEMATECH Technology Transfer #06124833A-ENG for purity management of organic electronic chemicals
    • IEC 60747 for semiconductor materials
    • ISO/TS 80004-8 for nanomaterials in electronics
    • Internal QC standards for particle and ion control (<1.0 ppm total metal impurities)

    Typical usage ratio

    • Functional precursor: 3–7% w/w in organic semiconducting blend or molecular doping layer; ratio specified by device architecture (e.g., OLED/OPV); adjusted based on optical absorption and layer thickness in pilot coating runs.

    Downstream process integration

    • Input during solution-phase functionalization before thin film casting; transitions through ultra-purification via recrystallization or sublimation to meet low particle count needs; integrated data supplied in material safety and quality dossiers.

    Final product types

    • Organic semiconductors (for thin-film transistors, OLEDs)
    • Photoactive device intermediates
    • Precursor chemicals for electronic ink manufacturing
    • Functionalization agents in flexible display coatings
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    Certification & Compliance
    More Introduction

    Unlocking Potential in Research: Introducing 5-Bromo-7-Nitro-1H-Indazole

    Beyond Basics: The Value of Reliable Chemical Building Blocks

    Chemists and researchers face obstacles in the lab. A lot can go wrong—synthesis derails, impurities show up, or yields don’t match expectations. With specialty intermediates, especially novel indazole derivatives, minor differences in molecular structure can shape the results in surprisingly big ways. That’s where 5-Bromo-7-Nitro-1H-Indazole comes in.

    I’ve always believed that a compound’s true value doesn’t stop at its purity certificate. Trusted lab work depends on knowing every facet of the raw materials. 5-Bromo-7-Nitro-1H-Indazole serves more than just a building block purpose: it drives the project forward by cutting uncertainty out of the equation. Its chemical fingerprint includes a bromine atom at the 5 position and a nitro group at the 7, arranged on the indazole backbone. This specific configuration keeps reactivity high and side products in check, saving time and minimizing frustration for both discovery and scale-up teams.

    Getting to Know 5-Bromo-7-Nitro-1H-Indazole

    Looking at the compound under a microscope—or even just in a vial—doesn’t tell the full story. The core indazole ring, present in many pharmaceuticals and materials, sits at the center of plenty of innovation. When adding both a bromine and nitro group, the result tilts the reactivity in unique directions. Countless hours are spent in research labs searching for niche building blocks like this because they make it possible to reach targets that just aren’t accessible any other way.

    The crystalline form of this compound stands out for more than just its physical appearance. It is routinely recognized for exceptional purity when produced with quality in mind. From my own time in medicinal chemistry, one faulty batch is enough to set a project back for weeks—not just because of the cost, but because tainted material clouds analytical data. Working with a trusted source for 5-Bromo-7-Nitro-1H-Indazole means feeling confident that synthetic routes will not take a surprise detour. The bright yellow-orange hue signals both the nitro group and its distinctive role as an activating and directing group in organic synthesis.

    Applications That Go Further Than the Obvious

    Researchers in academic, pharmaceutical, and materials science settings benefit from having the right toolkit. The role of 5-Bromo-7-Nitro-1H-Indazole spans several areas, from acting as an intermediate in complex drug discovery projects to enabling the fine-tuning of electronic properties in new materials. It’s not about just throwing bromine and nitro groups on an indazole and calling it a day; the placement controls where other reactions can occur and how well the end-products behave.

    Every group that’s tried to develop selective kinase inhibitors, or new antibiotics featuring indazoles, knows that a working halogenated indazole is a rare prize. The bromine at position 5 makes it easier to use in Suzuki or Buchwald–Hartwig couplings, a fact that synthetic chemists appreciate during late-stage functionalization. Nitro groups at position 7 activate the ring for nucleophilic aromatic substitutions and help introduce further diversity by reduction, turning the same starting point into multiple possible products. With the right process in place, yields remain high and by-products manageable, even on a gram or kilogram scale.

    Between Lab Bench and Real-World Impact

    Bench chemistry connects with everyday lives in more ways than most people assume. Pharmaceutical breakthroughs come from labs brimming with substances like 5-Bromo-7-Nitro-1H-Indazole. Chemists working on neurological, infectious, or inflammatory diseases often rely on these specialty molecules. A quick literature review shows indazole scaffolds appear regularly in approved drugs—so each time a project turns to a functionalized indazole for lead optimization or SAR studies, reliable starting materials make a measurable difference in success or failure.

    The chemical industry isn’t just about cranking out product. It must answer to quality control, safety, practicality, and repeatability. High-quality 5-Bromo-7-Nitro-1H-Indazole ensures batch-to-batch consistency, supporting scalability for project demands. Small differences in crystallinity, residual solvents, or trace impurities can completely derail a promising result—turning a great synthetic plan into a scramble for root cause analysis. My own research background has taught me to look for proven track records and transparent supply chains when sourcing this or similar compounds.

    Standing Apart from Similar Products

    It’s easy for suppliers to lump halogenated or nitro-substituted indazoles together, as if they’re interchangeable. That attitude ignores real-world chemistry. Position matters—tiny tweaks to where a group sits on an aromatic ring can switch pharmacological or physical effects dramatically. The 5-bromo/7-nitro combination offers unique reactivity not found in adjacent analogs. For example, swapping the nitro to position 4, or moving bromine elsewhere, changes coupling selectivity or reduces ring activation, limiting synthetic scope.

    From a practical perspective, chemists usually don’t have time or resources to synthesize every variant themselves. Commercial offerings cut the lead time on new molecule development, especially when well-documented spectral data and certificates of analysis back up each lot. When working under rigid timelines, having confidence in a compound’s real structure, purity, and handling characteristics translates into more successful milestones met.

    Some similar halogen/nitro-indazole derivatives struggle with poor solubility or instability under normal workup conditions. By contrast, 5-Bromo-7-Nitro-1H-Indazole strikes a solid balance. Reports from the field highlight its storage stability and compatibility with standard synthetic techniques. In my experience, solubility in typical polar aprotic solvents like DMF and DMSO makes it manageable in a range of reactions. Reaction planners appreciate the predictable behavior and lack of “surprise” breakdown products—a relief after years working with less cooperative aromatic systems.

    Challenges and Realities for Laboratories

    Even the best-designed molecules bring a new set of problems to solve. Handling nitroaromatics always means being alert to health and safety, especially in larger amounts or under high-temperature transformations. Reliable material safety information, paired with standardized container sizing, goes a long way in making sure that labs stay safe and compliant. Having personally overseen pilot-plant scale-ups, I respect any supplier who works with robust QA processes and clear batch documentation. Such efforts show care both for the end user and anyone working up or downstream from them.

    Scalability can test patience and nerves. Just because a compound performs reliably in milligram or gram quantities doesn’t guarantee the same outcome on a kilo scale. Issues like clumping, inconsistent particle size, or contamination pop up under stress. Vendors who provide consistent batches, along with data on key physical properties, help research and industrial teams avoid expensive mistakes. 5-Bromo-7-Nitro-1H-Indazole, when sourced from rigorous producers, delivers the confidence chemists look for—a real practical benefit, not just a line in a catalog.

    Backing Innovation with Trusted Supply

    Designing active ingredients, next-generation polymers, or advanced materials rarely follows a straight line. Unanticipated failures, stubborn bottlenecks, or shifts in project requirements demand flexibility. Reliable access to intermediates like 5-Bromo-7-Nitro-1H-Indazole plays a part in boosting a lab’s ability to respond creatively. From exploratory work to full process validation, every stage leans on rock-solid supply. Nothing slows momentum quite like waiting on back-ordered material or troubleshooting unexplained variances in purity or form.

    Open communication between researchers and suppliers builds a platform for continuous improvement. My colleagues and I value responsiveness—questions about new lots, changes in manufacturing routes, or requests for custom specifications all add up over time. Whether the compound ends up in a blockbuster drug or as a probe in a basic research tool, the reliability of each delivery matters.

    Making Choices: Quality, Safety, and Integrity

    Quality in specialty chemicals isn’t a simple checkbox. Even subtle differences in how and where a compound is produced affect everything that comes after. Inadequate raw material management weeds its way into downstream reactions, costing effort and risking safety. An investment in quality really means investing in data integrity—NMR, HPLC, mass spec data on every batch translates into real benefits at the bench. This holds true for 5-Bromo-7-Nitro-1H-Indazole more than most: given its applications in sensitive R&D settings, margins for error run narrow.

    Genuine collaboration between procurement, QA, and the bench scientists leads to breakthroughs. From firsthand experience, bringing everyone to the table before finalizing an order makes the downstream workflow smoother. Whether choosing a new building block or reevaluating established supply lines, transparency invites smarter long-term decisions.

    Possible Paths Forward

    There’s never a single perfect supply strategy. The market for research chemicals moves quickly, with new grades or alternative synthetic routes emerging often. Staying up to date with best practices—auditing sources, verifying batch records, demanding current analytical data—makes a real difference. Labs that build in checks at every step catch problems sooner and keep projects on track.

    Some research teams develop long-term partnerships with suppliers, while others play the field for the best match to each project’s needs. Factors like solvent compatibility, batch size options, and shipping resilience all play a role in finding the right fit. Sharing user feedback—about a lot’s performance, a packaging issue, or a shipping hiccup—helps everyone improve. The more open the channel, the stronger the outcomes become for all involved.

    If chemistry is the art of possibility, then a reliable bench stock of tough-to-source intermediates like 5-Bromo-7-Nitro-1H-Indazole ensures that researchers keep their focus where it belongs: on solving the next big challenge, not troubleshooting yet another missing or questionable reagent.

    Thinking Ahead: Sustainability and Stewardship

    Industrial and academic labs alike are shifting toward greener, more responsible practices. The sourcing, handling, and waste management issues linked to halogenated aromatics and nitro derivatives add urgency to this shift. Reducing hazardous waste, managing safe disposal, and tracking every step of the lifecycle are crucial. Sourcing 5-Bromo-7-Nitro-1H-Indazole from producers with robust environmental and occupational safety policies supports long-term goals while meeting day-to-day research needs.

    It’s not enough to just “order the chemical.” Responsible stewardship starts with examining the big picture: not just what a compound enables in research, but how it fits within a larger system of safety, waste minimization, and regulatory compliance. As more organizations commit to higher standards, the supply ecosystem improves for everyone involved. Researchers and procurement officers can help by choosing sources who take their commitments seriously—not just on paper, but in every step from raw materials to finished product delivery.

    A Real-World Asset for Modern R&D

    5-Bromo-7-Nitro-1H-Indazole stands as more than just another entry in a reference book. Its balanced mix of chemical reactivity, reliable handling, and well-understood performance distinguishes it among specialty indazole derivatives. Whether the project involves building targeted antibiotics, imaging agents, or a reaction sequence only possible with this precise substitution, those handling the compound can rely on a foundation built on technical expertise, solid transparency, and lab-tested results.

    Every successful innovation leans on carefully chosen tools—this compound continues to be one of them, delivering both short-term wins and long-term promise in an increasingly competitive field. For my part, knowing where and how discoveries begin allows me to appreciate not just the science, but the craft and care that support modern progress. Investing in smart material choices, especially with reliable partners, ultimately pays off in results and in peace of mind.

    Looking for Better Solutions

    Science rarely stands still. Suppliers, researchers, and regulators exchange ideas on improving outcomes all the time—what works now may deserve another look next year. New synthetic methods or greener alternatives may someday replace legacy building blocks, even well-loved ones such as 5-Bromo-7-Nitro-1H-Indazole. The drive for more sustainable practices, lower emissions, and safer workplaces shares the same urgency as the hunt for breakthrough results. Keeping the conversation open between every link in the supply chain builds trust, accountability, and new opportunities for progress in discovery science.