3-Methyl-6-(4-nitrophenyl)-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid CAS 938018-07-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 938018-07-6 |
| Molecular Formula | C14H9N3O5 |
| Molecular Weight | 299.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methyl-6-(4-nitrophenyl)-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 938018-07-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H9N3O5. Molecular weight: 299.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H9N3O5 |
| Molecular Weight | 299.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
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- (E)-[(3-Nitrophenyl)methylidene]amino N-(4-methylphenyl)carbamate (CAS 303987-40-8)
- 1-(5-Methyl-7-(4-nitrophenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)ethan-1-one (CAS 303994-49-2)
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- 5-(4-Nitrophenyl)-6-phenyl-2,3-dihydro-1,4-oxathiine (CAS 2177259-37-7)
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Recommended Standards
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-(diethylamino)thiophen-2-yl)boronate (CAS 2223046-09-9)
- 5-azido-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione (CAS 281208-18-2)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (4-(diethylamino)thiophen-2-yl)boronate (CAS 2223032-38-8)
- Potassium (1,4-dioxan-2-yl)trifluoroborate (CAS 1391850-42-2)
- 3,5-Dichlorophenyl Methyl Sulphone (CAS 22821-89-2)
- 5-Fluoro-2-methylimidazo[1,2-a]pyridin-3-amine (CAS 1934703-98-6)
- 2-Bromo-5-propylpyridine (CAS 1159821-61-0)
- 7-Methoxyspiro[chroman-2,4'-piperidin]-4-ol (CAS 1215949-21-5)
- 2,2,4,4,6,6,8,8,10,10,12,12,14,14,16,16,18,18,20,20,22,22,24,24,26,26,28,28-Octacosamethyl-1,3,5,7,9,11,13,15,17,19,21,23,25,27-tetradecaoxa-2,4,6,8,10,12,14,16,18,20,22,24,26,28-tetradecasilacyclooctacosane (CAS 149050-40-8)
- D-Tyr10-Tirzepatide (CAS CATO-CPTD788922)
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