4-methoxy-1-methyl-2,5-dihydro-1H-pyrrol-2-one CAS 90968-33-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 90968-33-5 |
| Molecular Formula | C6H9NO2 |
| Molecular Weight | 127.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-methoxy-1-methyl-2,5-dihydro-1H-pyrrol-2-one (CAS 90968-33-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H9NO2. Molecular weight: 127.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H9NO2 |
| Molecular Weight | 127.14 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.) | 1982 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-Isopropyloxazol-5(4H)-one (CAS 4526-83-4)
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- 4-Isocyanobutyric acid methyl ester (CAS 51642-06-9)
- 3,5-dimethoxycyclohexan-1-ol (CAS 191865-61-9)
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- 1-(4-Bromobenzyl)-1H-1,2,3-triazole (CAS 1196153-07-7)
- 2-(2,4-Difluorophenyl)-N-methylacetamide (CAS 1498969-78-0)
- Sodium difluoromethanesulfinate (CAS 275818-95-6)
- (5-(Tetrahydro-2h-pyran-4-yl)-1,2,4-oxadiazol-3-yl)methanamine (CAS 1343588-13-5)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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