Methyl oxazole-4-carboxylate CAS 170487-38-4
| CAS No. | 170487-38-4 |
| Molecular Formula | C5H5NO3 |
| Molecular Weight | 127.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl oxazole-4-carboxylate (CAS 170487-38-4), molecular formula C5H5NO3 and molecular weight 127.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H5NO3, Methyl oxazole-4-carboxylate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 127.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl oxazole-4-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H5NO3 |
| Molecular Weight | 127.10 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.) | 2005 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1-Methyl-2-nitro-1H-imidazole (CAS 1671-82-5)
- 3-Acetyl-4-amino-1,2,5-oxadiazole (CAS 17647-71-1)
- 1-Methyl-1H-1,2,3-triazole-4-carboxylic Acid (CAS 16681-71-3)
- 2-Furohydroxamic acid (CAS 17698-14-5)
- Dibenzo[b,f]oxepine (CAS 257-05-6)
- 2,4-Dichloro-3-methoxypyridine (CAS 405143-46-6)
- 1-((1H-Indol-3-yl)methyl)-4-(4-chlorobenzyl)piperidin-4-ol (CAS 925217-94-3)
- 2,4-Dimethyl-2,3-dihydro-furo[3,2-c]quinoline-8-carboxylic acid (CAS 361368-55-0)
- Sovateltide Impurity 2 (CAS CATO-C4X-34652)
- Ethyl 2-(5,6-dihydroimidazo[2,1-b][1,3]thiazol-3-yl)acetate hydrochloride (CAS 76629-19-1)
- 5-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)pyrimidine-2-thiol (CAS 1007166-51-9)
- 4-Cyano-2-(difluoromethyl)-5-iodopyridine-3-methanol (CAS 1805380-12-4)
- Cefdinir USP Related Compound A (CAS 178422-42-9)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com