4-Bromo-2-methyl-3-oxobutanenitrile CAS 81056-51-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81056-51-1 |
| Molecular Formula | C5H6BrNO |
| Molecular Weight | 176.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-methyl-3-oxobutanenitrile (CAS 81056-51-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H6BrNO. Molecular weight: 176.01 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H6BrNO |
| Molecular Weight | 176.01 g/mol |
| Appearance | 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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- 4-((3,5-Bis(methoxycarbonyl)phenyl)amino)-4-oxobutanoic acid (CAS 540791-94-4)
- (2R,3R,4R,5R)-5-(2-Amino-6-ethoxy-9H-purin-9-yl)-4-fluoro-2-(hydroxymethyl)-4-methyltetrahydrofuran-3-ol (CAS 1199809-30-7)
- 5-Cyclopropyl-1,2,4-oxadiazol-3-amine (CAS 868696-42-8)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
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