Carfilzomib Impurity 28 CAS 143415-51-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 143415-51-4 |
| Molecular Formula | C15H27NO4 |
| Molecular Weight | 285.38 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Carfilzomib Impurity 28 (CAS 143415-51-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C15H27NO4. Molecular weight: 285.38 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C15H27NO4 |
| Molecular Weight | 285.38 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
Related Carfilzomib Standards
- CarfilzomiB impurity 12 (CAS 100564-78-1)
- Carfilzomib Impurity 26 (CAS 38155-18-9)
- Carfilzomib Impurity 50 (CAS 129603-01-6)
- Carfilzomib Impurity 11 (CAS 247068-82-2)
- Carfilzomib Impurity 75 (CAS 2381627-87-6)
- Carfilzomib Impurity N2 (CAS 1396006-45-3)
- Carfilzomib Impurity 92 (CAS CATO-C4X-102292)
- Carfilzomib Impurity 47 (CAS 72080-89-8)
Recommended Standards
- (2S,3R)-((1R,7aS)-Hexahydro-1H-pyrrolizin-1-yl)methyl 2,3-dihydroxy-2-isopropylbutanoate (CAS 14140-18-2)
- N-(9-Cyclopropyl-1-oxononyl)-N-hydroxy-β-alanine (CAS 1453071-47-0)
- Ethyl 2-(1-Boc-4-piperidinyl)propanoate (CAS 141060-29-9)
- Guaiazulene Impurity 2 (CAS CATO-C4X-22372)
- Canagliflozin Impurity 63 (CAS CATO-C4X-112363)
- 3-Bromopiperazine-2,5-dione (CAS 1204388-39-5)
- (4-(Trifluoromethyl)pyrimidin-5-yl)methanol (CAS 1695810-03-7)
- Methyl 2-(5-fluoro-2-hydroxyphenyl)acetate (CAS 518979-13-0)
- 1-Hydroxypiperidin-2-one (CAS 26546-87-2)
- Semaglutide impurity 27 (CAS CATO-C4X-222627)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com