4-Bromopyrazole-3-carbaldehyde CAS 287917-97-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 287917-97-9 |
| Molecular Formula | C4H3BrN2O |
| Molecular Weight | 174.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromopyrazole-3-carbaldehyde (CAS 287917-97-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H3BrN2O. Molecular weight: 174.98 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H3BrN2O |
| Molecular Weight | 174.98 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 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromopyrazole Standards
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Recommended Standards
- 4-Bromo-2H-pyran-2-one (CAS 505097-65-4)
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- 9H-Fluoren-9-ylmethyl N-[(2R)-1-oxo-3-[(triphenyl-methyl)sulfanyl]propan-2-yl]carbamate (CAS 505076-77-7)
- 3-(Methoxycarbonyl)-4-methylbenzoic acid (CAS 167300-06-3)
- 6-(Trifluoromethyl)pyridin-3-yl trifluoromethanesulfonate (CAS 1097778-74-9)
- 3-(5,6,7,8-Tetrahydroimidazo[1,2-a]pyridin-3-yl)phenol (CAS 1355214-54-8)
- 1-Bromo-1-(4-chloro-3-(methylsulfonyl)phenyl)propan-2-one (CAS 914382-89-1)
- 5-(2-(Difluoromethoxy)phenyl)-4-ethyl-4h-1,2,4-triazole-3-thiol (CAS 832127-32-9)
- Peptide T (CAS 106362-32-7)
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