6-Chloro-2-methyl-2H-indazol-5-amine comes from a larger family of azole compounds that often play a behind-the-scenes role in pharmaceutical development and fine chemical synthesis. This compound stands out because of its unique arrangement of atoms—indazole as the base structure, with specific modifications: a methyl group at the second position, a chlorine atom at the sixth, and an amine functional group at the fifth. Chemists and researchers often use this molecule as an intermediate when building more complex chemicals, especially heterocyclic agents used for new drug candidates, specialty pigments, or functional polymers.
The molecular formula C8H8ClN3 defines this compound at its core. With a molecular weight close to 181.63 g/mol, calculations for any mixture or compound design often begin with this number. It's got a dense, aromatic ring system with a six-membered benzene ring fused to a five-membered pyrazole ring, then decorated with targeted substitutions—chlorine’s spot at position 6 helps influence its reactivity by drawing electrons, while the methyl and amine groups play critical roles in how it interacts in chemical synthesis or when binding to biological targets.
6-Chloro-2-methyl-2H-indazol-5-amine comes in solid form, usually as pale yellow or off-white crystalline powder, but sometimes breaks down into flake-like granules. In terms of texture, this material can feel slightly rough to the touch—think of the way some raw salt crystals feel in the palm, only these are engineered for chemistry work, not the kitchen. It's not going to dissolve easily in water, but organic solvents like DMSO or DMF tackle this challenge better. Density sits around 1.28 g/cm³, making it somewhat heavier than many simple organic powders, and this calls for care when transferring measured amounts for reactions.
Manufacturers set purity criteria at 97% or higher. Such a standard matters when the chemical steps that follow in pharmaceutical synthesis can fail if an impurity reacts unexpectedly. Particle size distribution often stays narrow by design—this way, solubility and reaction rates remain more predictable during scale-up. Batch certificates typically show the melting point at 162-165°C, with trace residual solvents kept below tight thresholds. HS Code identification generally falls under 2933990090: this international code helps customs officials and global buyers classify the product for import, export, and logistics tracking.
Storage conditions impact shelf life and safety. Most labs and factories keep 6-Chloro-2-methyl-2H-indazol-5-amine in air-tight drums or amber glass bottles, away from sunlight and sources of moisture. Even though this compound remains solid at room temperature, prolonged exposure to high humidity makes it clump. Chemical suppliers usually ask handlers to wear gloves and goggles, not because it’s wildly toxic from skin contact, but because inhaling dust or getting it in the eyes can irritate tissue. Safety Data Sheets note it as harmful by ingestion and recommend NIOSH-approved respirators if processing large quantities in powder form.
The material won’t catch fire easily but does release nitrogenous vapors if burned, so proper disposal follows regulated chemical waste rules in industrial settings. Spilled powder should get swept up carefully rather than vacuumed to avoid distributing dust. First-hand, I can say it’s easy to underestimate the need for double containment on a busy bench-day—I once saw someone skimp on PPE and spend half the afternoon rinsing their skin. Small-scale researchers should have calcium carbonate or similar neutralizing agents within reach during cleanup.
Industry uses 6-Chloro-2-methyl-2H-indazol-5-amine as a building block, not an end product. This means every measure of purity and particle size, every storage rule, directly ties into the reliability of drugs, dyes, or advanced polymers downstream. For a chemist synthesizing kinase inhibitors or agrochemical actives, small impurities or inconsistent material performance can rack up costs, waste time, or even ruin a multi-month development effort. Damage-control plans for accidental mixing or loss always depend on knowing the raw material specs in detail ahead of time. Factory procurement teams review certificates with a critical eye—there’s no wiggle room for surprises.
Problems crop up around logistical missteps, inconsistent batches from changing suppliers, or lapses in safety. Small changes in crystal size or density mean a slurry might settle in unexpected ways during mixing, and minor shifts in melting point signal trace contaminants. Radio-frequency identification and digital batch tracing are making it simpler to lock down the supply chain, but for labs, routine third-party validation remains crucial—especially if pursuing pharmaceutical approval. As for safety, updating training and ensuring positive ventilation in processing rooms cuts down the chance of exposure. There’s no substitute for keeping fresh protective gear on hand and fostering a culture where quality and safety checks don’t feel like just another checkbox.
Every gram of 6-Chloro-2-methyl-2H-indazol-5-amine owes its usefulness to rigorous standards, constant monitoring, and open communication between suppliers, buyers, and end-users. Direct experience with powders and granular raw materials teaches a lot about why documentation and stewardship become non-negotiable. Across the board, keeping to protocol, double-checking identity and purity, and knowing what to do in emergencies ensures goods make it safely from factory to lab bench—without causing harm on the journey.