4-Acetyl-5-hydroxy-1,2-dihydro-3H-pyrrol-3-one CAS 66056-62-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66056-62-0 |
| Molecular Formula | C6H7NO3 |
| Molecular Weight | 141.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Acetyl-5-hydroxy-1,2-dihydro-3H-pyrrol-3-one (CAS 66056-62-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7NO3. Molecular weight: 141.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7NO3 |
| Molecular Weight | 141.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 4-(Dihydroxymethyl)pyridine 1-oxide (CAS 76037-07-5)
- 4-Ethyloxazole-5-carboxylic acid (CAS 947145-27-9)
- 4-(2,2-Difluorovinyl)Pyridine (CAS 344902-30-3)
- 5-(Benzenesulfonyl)-4-(2,4-dichlorophenyl)-2-methylpyrimidine (CAS 339107-88-9)
- Methyl 1-Benzylazetidine-2-carboxylate (CAS 18085-37-5)
- (R)-2-(2-bromo-4-methoxyphenyl)pyrrolidine (CAS 1270294-22-8)
- N,3-dimethyl-1-propyl-1H-pyrazole-5-carboxamide (CAS 956824-02-5)
- N-((1H-Benzo[d][1,2,3]triazol-1-yl)methyl)-2,3,4,5,6-pentafluoroaniline (CAS 303090-97-3)
- 2-(4-(Tert-butyl)phenoxy)-2,2-difluoro-N-(4-(trifluoromethoxy)phenyl)acetamide (CAS 306976-98-7)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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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