methyl 3-phenyl-6-thien-2-ylisoxazolo[5,4-b]pyridine-4-carboxylate CAS 938001-05-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 938001-05-9 |
| Molecular Formula | C18H12N2O3S |
| Molecular Weight | 336.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
methyl 3-phenyl-6-thien-2-ylisoxazolo[5,4-b]pyridine-4-carboxylate (CAS 938001-05-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H12N2O3S. Molecular weight: 336.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H12N2O3S |
| Molecular Weight | 336.36 g/mol |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Benzyl 2-(benzyloxy)-4-fluorobenzoate (CAS 351445-97-1)
- Tert-butyl (S)-2-(3-ethoxy-3-oxopropanoyl)pyrrolidine-1-carboxylate (CAS 109180-95-2)
- 4-(2,5-Difluorophenyl)-2-methylbutan-1-ol (CAS 1341116-23-1)
- 2,2,2-Trifluoroethyl n-(2-ethylphenyl)carbamate (CAS 1087798-31-9)
- n-Methoxy-3-oxo-3,4-dihydro-2h-benzo[b][1,4]thiazine-6-carboxamide (CAS 923178-66-9)
- Ethyl 3,4-diethyl-5-iodo-1H-pyrrole-2-carboxylate (CAS 113999-02-3)
- Tert-butyl ((1R,2S,3R,4S)-2,3,4-trihydroxycyclopentyl)carbamate (CAS 2165783-78-6)
- Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2)
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