2-Oxobut-3-enamide CAS 138616-23-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138616-23-6 |
| Molecular Formula | C4H5NO2 |
| Molecular Weight | 99.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Oxobut-3-enamide (CAS 138616-23-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C4H5NO2. Molecular weight: 99.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C4H5NO2 |
| Molecular Weight | 99.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 1996 |
| Nitrogen Atoms | 1 |
Related Oxobut Standards
- Methyl 4-oxobut-2-enoate (CAS 7327-99-3)
- Ethyl 4-oxobut-2-enoate (CAS 4038-33-9)
- 4-(3-Oxobut-1-yn-1-yl)benzonitrile (CAS 951234-87-0)
- 1-(2-Acetyl-3-oxobut-1-en-1-yl)urea (CAS 6971-56-8)
- 3-(3-Oxobut-1-en-1-yl)benzonitrile (CAS 30626-01-8)
- (E)-4-(3-oxobut-1-en-1-yl)benzaldehyde (CAS 802954-26-3)
- (E)-4-Oxobut-2-en-1-yl benzoate (CAS 118017-13-3)
- Methyl 5-(3-oxobut-1-en-1-yl)furan-2-carboxylate (CAS 1344867-12-4)
Recommended Standards
- 5-Methyloxazol-2(3H)-one (CAS 13627-02-6)
- Cyanoacetohydrazide (CAS 140-87-4)
- 2-(Hydroxymethyl)oxazole (CAS 130551-92-7)
- (3,4-Dichlorophenyl)(3-((4-methylpiperazin-1-yl)methyl)phenyl)methanone (CAS 898789-27-0)
- 1,4-Dioxaspiro[4.4]nonan-7-one (CAS 109459-59-8)
- (R)-2-(2-Fluorophenyl)-2-methoxyacetic acid (CAS 1914100-79-0)
- 3,3',3'',3'''-(3,8,13,17-Tetramethylporphyrin-2,7,12,18-tetrayl)tetrapropionic acid dihydrochloride (CAS 68938-73-8)
- Methyl 3,5-dichloro-2-fluorobenzoate (CAS 1522125-32-1)
- 5-Bromo-2-cyclobutylpyridine (CAS 1159815-16-3)
- Semaglutide impurity 56 (CAS CATO-C4X-222656)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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