5-Bromo-1-methyl-1H-pyrazole-4-carboxylic acid CAS 54367-67-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 54367-67-8 |
| Molecular Formula | C5H5BrN2O2 |
| Molecular Weight | 205.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-1-methyl-1H-pyrazole-4-carboxylic acid (CAS 54367-67-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H5BrN2O2. Molecular weight: 205.01 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H5BrN2O2 |
| Molecular Weight | 205.01 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5-(Bromomethyl)pyrimidine-2,4(1H,3H)-dione (CAS 4874-37-7)
- 5-Bromo-2-methylfuran-3-carboxylic acid (CAS 850553-54-7)
- 4-Bromo-5-methyl-1H-pyrazole-3-carboxylic acid (CAS 82231-52-5)
- 7-Fluoro-3-hydroxyquinoline-4-carboxylic acid (CAS 1464829-28-4)
- cis-5-((2-Fluorophenyl)sulfonyl)octahydropyrrolo[3,4-b]pyrrole (CAS 1218678-82-0)
- N-(9R)-Cinchonan-9-yl-2,3,4,5,6-pentamethylbenzenesulfonamide (CAS 2228076-81-9)
- Pyrido[3,4-b]pyrazin-7-amine (CAS 91673-74-4)
- 8-Amino-5-fluoroquinoline-2-carbaldehyde (CAS 1420799-85-4)
- N-(1-(1H-Benzo[d][1,2,3]triazol-1-yl)-2-methylpropyl)benzenesulfonamide (CAS 124984-79-8)
- [14-31]-Semaglutide (CAS CATO-C4X-2226262)
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