5-(Isoxazol-3-yl)oxazole-4-carboxylic Acid CAS 1250404-35-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1250404-35-3 |
| Molecular Formula | C7H4N2O4 |
| Molecular Weight | 180.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Isoxazol-3-yl)oxazole-4-carboxylic Acid (CAS 1250404-35-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H4N2O4. Molecular weight: 180.12 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H4N2O4 |
| Molecular Weight | 180.12 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Isoxazol Standards
- N-(isoxazol-3-yl)cyclopentanecarboxamide (CAS 932928-54-6)
- 5-(Isoxazol-3-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1343426-68-5)
- 5-(Isoxazol-5-yl)furan-2-carboxylic acid (CAS 1399654-32-0)
- 1-(Isoxazol-4-ylmethyl)-4-methyl-1h-pyrazol-3-amine (CAS 1339462-46-2)
- 1-(Isoxazol-3-yl)pyrrolidine-3-carboxylic acid (CAS 1086380-68-8)
- N-(isoxazol-3-yl)-2,2-dimethylbutanamide (CAS 587852-98-0)
- Isoxazol-3-ylmethyl methanesulfonate (CAS 2144668-08-4)
- 5-(Isoxazol-3-yl)thiophene-2-carbonitrile (CAS 175205-67-1)
Recommended Standards
- 5-(trifluoromethyl)cyclohexane-1,3-dione (CAS 124612-15-3)
- 5-(1h-Pyrazol-3-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1339857-20-3)
- 1-(5-(Trifluoromethyl)furan-2-yl)ethanol (CAS 1227622-61-8)
- 3-tert-butyl-1-(4-methylphenyl)-1H-pyrazole-4-carboxylic acid (CAS 1152890-59-9)
- Polyquaternium-51 (CAS 125275-25-4)
- (S)-5,7-Difluoro-2,3-dihydro-1H-inden-1-amine hydrochloride (CAS 2197054-96-7)
- 2-amino-6-fluoro-N-methylbenzene-1-sulfonamide (CAS 1247709-81-4)
- 4-Acetyl-2,6-dimethoxyphenyl acetate (CAS 28294-47-5)
- N-Fmoc-L-Phe(3-OCF3)-OH (CAS 1260592-32-2)
- semaglutide (CAS 782487-28-9)
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