Avosentan CAS 290815-26-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 290815-26-8 |
| Molecular Formula | C23H21N5O5S |
| Molecular Weight | 479.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Avosentan (CAS 290815-26-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H21N5O5S. Molecular weight: 479.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C23H21N5O5S |
| Molecular Weight | 479.51 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Ethyl 5-(4-methoxyphenyl)-7-methyl-2-(4-nitrobenzylidene)-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 300723-22-2)
- Diphenyl lead diacetate (CAS 6928-68-3)
- Methyl 5-(1H-indol-3-yl)-2-methyloxazole-4-carboxylate (CAS 61364-28-1)
- N-(5-Chloropyrimidin-2-yl)acetamide (CAS 68303-37-7)
- 5-(tert-Butyl)1-methyl(tert-Butoxycarbonyl)-l-glutamate (CAS 18635-51-3)
- 1-(2-(P-tolyloxy)ethyl)piperidin-3-ol (CAS 46838-35-1)
- Vildagliptin (CAS 274901-16-5)
- N-Benzoyl-O,α-dimethyl-D-tyrosyl-N-cyclohexyl-L-phenylalaninamide (CAS 172168-08-0)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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