4-Bromo-3-cyclopropyl-1h-pyrazole-5-carboxylic acid CAS 1290764-98-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1290764-98-5 |
| Molecular Formula | C7H7BrN2O2 |
| Molecular Weight | 231.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Bromo-3-cyclopropyl-1h-pyrazole-5-carboxylic acid (CAS 1290764-98-5) pharmaceutical standards reference standard. Molecular formula: C7H7BrN2O2. Molecular weight: 231.05 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H7BrN2O2 |
| Molecular Weight | 231.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-Bromo-1-(1,3-oxazol-2-yl)pyrrolidin-2-one (CAS 1287217-45-1)
- 5-Bromo-4-methoxypicolinamide (CAS 1294003-28-3)
- 5-Bromo-3-methyl-2-nitroaniline (CAS 1266383-33-8)
- Vinyl Isopropyl Ether (CAS 926-65-8)
- 4-Bromo-N-(cyclopropylmethyl)-2-methylaniline (CAS 1156171-36-6)
- 4-(4-aMino-6-chloropyriMidin-2-ylaMino)benzonitrile (CAS 1398507-08-8)
- (2E)-2-(1,3-benzothiazol-2-yl)-4-chloro-3-methylbut-2-enenitrile (CAS 735342-48-0)
- (2S,4S)-1-(tert-butoxycarbonyl)-4-(2-methoxy-4-propylphenoxy)pyrrolidine-2-carboxylic acid (CAS 1354486-65-9)
- tert-butyl 5-bromo-3-{[(2R)-1-methylpyrrolidin-2-yl]methyl}-1H-indole-1-carboxylate (CAS 153435-65-5)
- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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