3-Bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxylic acid
CAS: 500011-86-9
Category: Pharmaceutical Intermediates
| Purity | Research Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Intermediate Grade ≥99% |
| Molecular Formula | C9H6BrClN3O2 |
| Molecular Weight | 288.52 |
| Appearance | White to off-white crystalline powder |
| Packaging | 1 g/aluminum foil bag, 5 g/bottle, 25 g/bottle, or 100 g/HDPE container |
| Testing Indicators | Appearance — Visual inspection; Purity — HPLC-UV or HPLC-DAD (≥98%); Identification — FTIR spectroscopy and 1H NMR/13C NMR; Molecular weight confirmation — LC-MS or HRMS; Melting point — Capillary method; Bromine and chlorine content — ICP-OES or ion chromatography; Residual solvents — GC-MS (ICH Q3C); Water content — Karl Fischer titration; Elemental composition — CHN elemental analysis. |
| Storage Notes | Store in a cool, dry, and well-ventilated area. Keep the container tightly sealed and protected from moisture, heat, and direct sunlight. Recommended storage under inert atmosphere (nitrogen or argon). Avoid contact with strong oxidizing agents, strong acids, and strong bases. |
| Lead Time | 10 days |
Used as a pharmaceutical intermediate and heterocyclic building block in organic synthesis. It is mainly applied in the preparation of agrochemical and pharmaceutical active compounds, especially as an intermediate for pyrazole-containing molecules with biological activity, including insecticides, herbicides, and medicinal chemistry research compounds.