5-Bromo-7-fluoro-1H-indazol-3(2H)-one CAS 1227267-23-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1227267-23-3 |
| Molecular Formula | C7H4BrFN2O |
| Molecular Weight | 231.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-7-fluoro-1H-indazol-3(2H)-one (CAS 1227267-23-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4BrFN2O. Molecular weight: 231.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4BrFN2O |
| Molecular Weight | 231.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
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- 2-[2-(3,4-Dichloro-phenyl)-vinyl]-6-hydroxy-benzoic acid methyl ester (CAS 1171921-85-9)
- 5-(1-Isopropylpiperidin-2-yl)-N,N,4-trimethylpyridin-2-amine (CAS 1352537-72-4)
- 1-(Pyridin-3-yl)cyclopropanecarboxylic acid hydrobromide (CAS 1268444-68-3)
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