Ambrisentan Impurity 5 CAS 178306-51-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 178306-51-9 |
| Molecular Formula | C16H16O4 |
| Molecular Weight | 272.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ambrisentan Impurity 5 (CAS 178306-51-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H16O4. Molecular weight: 272.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H16O4 |
| Molecular Weight | 272.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
Related Ambrisentan Standards
- Ambrisentan Impurity 8 (CAS CATO-C4X-12468)
- Ambrisentan (R)-Hydroxy Acid Impurity (CAS 178306-49-5)
- Ambrisentan (S)-Hydroxy Acid Impurity (CAS 178306-52-0)
- Ambrisentan Hydroxyester Impurity (CAS 177036-78-1)
- Ambrisentan Impurity 1 (CAS 178306-47-3)
- Ambrisentan Impurity 7 (CAS CATO-C4X-12467)
- Ambrisentan Impurity N1 (CAS 76527-25-8)
- Ambrisentan Impurity 2 (CAS 1639429-81-4)
Recommended Standards
- Agomelatine Impurity 53 (CAS CATO-C4X-110853)
- Ceritinib Impurity 51 (CAS CATO-C4X-104851)
- Propranolol Impurity 10 (CAS 27610-48-6)
- Cenobamate Impurity 38 (CAS 2973351-59-4)
- Empagliflozin impurity 185 (CAS CATO-C4X-1065185)
- 2-Bromo-4,5-difluorobenzonitrile (CAS 64695-82-5)
- Arbidol-d6 Hydrochloride (CAS CATO-C4X-11291)
- (2E)-2-Cyano-3-(dimethylamino)-N-(2-fluoro-4-hydroxyphenyl)prop-2-enamide (CAS 320424-57-5)
- 2-Amino-N-methylpentanamide (CAS 879553-73-8)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
Why CATO?
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