Methyl 4-hydroxy-2-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate CAS 37772-85-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 37772-85-3 |
| Molecular Formula | C6H7NO4 |
| Molecular Weight | 157.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 4-hydroxy-2-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate (CAS 37772-85-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7NO4. Molecular weight: 157.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7NO4 |
| Molecular Weight | 157.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1967 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- methyl 2-methyl-3-oxo-2,3-dihydro-1,2-oxazole-5-carboxylate (CAS 96735-36-3)
- Methyl 2,5-dioxo-1-pyrrolidinecarboxylate (CAS 25543-13-9)
- Methyl 5-methoxyisoxazole-3-carboxylate (CAS 80872-10-2)
- Nicotinoyl-L-proline (CAS 1101194-26-6)
- 3-[5-methyl-2-(propan-2-yl)phenoxy]propanoic acid (CAS 97395-13-6)
- Caspofungin Impurity 24 (CAS 1131958-73-0)
- 3-Hydroxy-1-naphthaldehyde (CAS 91136-43-5)
- 7-Hydroxy-5-methyl-[1,2,4]triazolo[4,3-a]quinoxaline-1,4(2H,5H)-dione (CAS 90042-24-3)
- 3-(4-Fluorophenyl)-N,N-dimethyl-4-oxo-3,4-dihydrophthalazine-1-carboxamide (CAS 339021-31-7)
- α Bag Cell Peptide (1-9) (CAS 87549-52-8)
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