4-Bromo-5-methyl-1H-pyrazole-3-carbaldehyde CAS 1287752-82-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1287752-82-2 |
| Molecular Formula | C5H5BrN2O |
| Molecular Weight | 189.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5-methyl-1H-pyrazole-3-carbaldehyde (CAS 1287752-82-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5BrN2O. Molecular weight: 189.01 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5BrN2O |
| Molecular Weight | 189.01 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 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.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 5-Bromo-3-methylpyrazin-2-ol (CAS 100047-56-1)
- 2-Bromo-5-hydrazinylpyrazine (CAS 1001050-24-3)
- (4-bromo-1H-pyrazol-1-yl)acetaldehyde (CAS 1007550-84-6)
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- 2-Bromo-5-hydrazinylpyrimidine (CAS 1174413-61-6)
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- 2-Bromo-5-methoxypyrimidine (CAS 1209459-99-3)
- 2-Bromo-3-methoxypyrazine (CAS 1209905-41-8)
Recommended Standards
- 6-(Bromomethyl)pyrimidin-4-ol (CAS 1269291-22-6)
- 6-Bromopyrimidine-2,4-diamine (CAS 132292-01-4)
- 2-amino-5-bromopyridin-4-ol (CAS 1261269-33-3)
- 2,3-dichloro-3-[(4-methoxybenzyl)sulfinyl]-N-(6-methoxy-3-pyridinyl)acrylamide (CAS 337922-28-8)
- Deshydroxyethoxy-2,3-O-(dimethylmethylene) Ticagrelor (CAS 274693-49-1)
- Isoquinolin-3-ylmethanamine dihydrochloride (CAS 157405-77-1)
- 6-Bromobenzo[b]thiophene-5-carbaldehyde (CAS 143810-54-2)
- 2-(3-Methoxyisoxazol-5-yl)-N-methylethanamine (CAS 687602-59-1)
- 2-(5-Chloro-1H-indol-2-yl)acetamide (CAS 1935440-29-1)
- D-Ile17-Tirzepatide (CAS CATO-CPTD788917)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com