Ambrisentan (R)-Hydroxy Acid Impurity CAS 178306-49-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 178306-49-5 |
| Molecular Formula | C16H16O4 |
| Molecular Weight | 272.30 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ambrisentan (R)-Hydroxy Acid Impurity (CAS 178306-49-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C16H16O4. Molecular weight: 272.30 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H16O4 |
| Molecular Weight | 272.30 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 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 5 (CAS 178306-51-9)
- Ambrisentan Impurity 8 (CAS CATO-C4X-12468)
- 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)
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- D-[Phe6]-Semaglutide (CAS CATO-C4X-2226213)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com