Methyl 2-oxooxazole-3(2H)-carboxylate CAS 93228-48-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 93228-48-9 |
| Molecular Formula | C5H5NO4 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-oxooxazole-3(2H)-carboxylate (CAS 93228-48-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H5NO4. Molecular weight: 143.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H5NO4 |
| Molecular Weight | 143.10 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 |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Methyl 2-oxo-3H-1,3-oxazole-5-carboxylate (CAS 64843-33-0)
- Methyl 5-amino-1,3,4-oxadiazole-2-carboxylate (CAS 7271-41-2)
- Methyl 1-hydroxy-1H-1,2,3-triazole-5-carboxylate (CAS 198754-69-7)
- 4-chloro-6-methoxy-2-methylquinazoline (CAS 60395-90-6)
- (2-Bromophenyl)(4-chloro-3,5-dimethylphenyl)methanol (CAS 1443342-88-8)
- 1-(2-(Tert-butylamino)-2-oxoethyl)piperidine-3-carboxylic acid (CAS 1156145-35-5)
- 2-(Piperidin-4-ylmethoxy)benzo[d]thiazole (CAS 1420936-70-4)
- 6-Chloro-4-(trifluoromethyl)nicotinamide (CAS 1201186-88-0)
- 5-Hydroxy-2-isopropylisoindolin-1-one (CAS 1260225-09-9)
- Semaglutide impurity 45 (CAS CATO-C4X-222645)
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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