Buprenorphine EP Impurity E CAS 130668-48-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 130668-48-3 |
| Molecular Formula | C28H39NO4 |
| Molecular Weight | 453.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Buprenorphine EP Impurity E (CAS 130668-48-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C28H39NO4. Molecular weight: 453.61 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C28H39NO4 |
| Molecular Weight | 453.61 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 1 |
Related Buprenorphine Standards
- Buprenorphine EP Impurity C (CAS 16614-60-1)
- 7-(S)-Buprenorphine (CAS 152610-73-6)
- Buprenorphine Related Compound A CII(Secondary Standards traceble to USP) (CAS 457071-73-7)
- Buprenorphine-D4 (CAS 136781-89-0)
- Buprenorphine Impurity 14 (CAS 16614-59-8)
- 10-Oxo Buprenorphine (CAS 1044710-08-8)
- Buprenorphine N-Oxide (CAS 112242-17-8)
- Buprenorphine 3-O-Methyl ether (CAS 16524-65-5)
Recommended Standards
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- Atropine Impurity 59 (CAS 2659259-66-0)
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- n-(3-Hydroxypropyl)-2-(4-methoxyphenoxy)propanamide (CAS 1155045-91-2)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
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