(E)-4-bromo-1-methyl-1H-pyrazole-3-carbaldehyde oxime CAS 287922-69-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 287922-69-4 |
| Molecular Formula | C5H6BrN3O |
| Molecular Weight | 204.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-4-bromo-1-methyl-1H-pyrazole-3-carbaldehyde oxime (CAS 287922-69-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H6BrN3O. Molecular weight: 204.02 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H6BrN3O |
| Molecular Weight | 204.02 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 | 3 |
Related E Standards
- 2-bromo-1-(3-methylisoxazol-5-yl)ethanone (CAS 104777-32-4)
- 104819-48-9 2-BROMO-3-METHOXYPYRIDIN-1-IUM-1-OLATE 2-BROMO-3-METHOXYPYRIDINE 1-OXIDE 2-BROMO-3-METHOXYPYRIDINE-N-OXIDE BC003049 (CAS 104819-48-9)
- 5-Bromo-3-methyl-1H-pyrrole-2-carboxylic acid (CAS 1082159-67-8)
- 4-Bromo-3-methyl-1H-pyrrole-2-carboxylic acid (CAS 1092286-06-0)
- 4-Bromo-3-methoxypyridine 1-oxide (CAS 109911-37-7)
- 2-Bromo-1-(4-methyloxazol-5-yl)ethanone (CAS 113732-98-2)
- 6-Bromo-2-(hydroxymethyl)pyridin-3-ol (CAS 1174728-40-5)
- 4-Bromo-1H-pyrazole-1-acetamide (CAS 1177354-50-5)
Recommended Standards
- (E)-[(5-Bromofuran-2-yl)methylidene](methyl)oxidoazanium (CAS 41106-12-1)
- 1-(2-Bromoethyl)-1H-pyrrole-2,5-dione (CAS 95212-17-2)
- 4,6-Dichloro-1H-pyrazolo[3,4-d]pyrimidin-3-amine (CAS 1936436-08-6)
- Ethyl 1-{1-methyl-1h-pyrazolo[3,4-d]pyrimidin-4-yl}-1h-pyrazole-4-carboxylate (CAS 1333706-51-6)
- N-Methyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-amine (CAS 948593-73-5)
- 3-Oxo-3-(3-(trifluoromethyl)bicyclo[1.1.1]pentan-1-yl)propanenitrile (CAS 2737246-38-5)
- 3-Cyclopentyl-1-methyl-2-(pyridin-2-yl)-1H-indole-6-carboxylic acid (CAS 494799-85-8)
- 1-Ethyl-3-(o-tolyl)-1,4,5,6-tetrahydropyrrolo[2,3-c]pyrazole (CAS 641586-55-2)
- 4-Chloro-2-(1-phenylethyl)phenol (CAS 5828-70-6)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
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