Salmeterol EP Impurity E CAS 108928-81-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 108928-81-0 |
| Molecular Formula | C25H37NO4 |
| Molecular Weight | 415.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Salmeterol EP Impurity E (CAS 108928-81-0) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C25H37NO4. Molecular weight: 415.57 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C25H37NO4 |
| Molecular Weight | 415.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 8VT513UJ9R 2738-64-9 Piericidin A 2,6,9,11-Tridecatetraen-4-ol, 13-(4-hydroxy-5,6-dimethoxy-3-methyl-2-pyridyl)-3,5,7,11-tetramethyl-, (all-E)-(4R,5R)- 4-Pyridinol, 2-((2E,5E,7E,9R,10R,11E)-10-hydroxy-3,7,9,11-tetramethyl-2,5,7,11-tridecatetraenyl)-5,6-dimethoxy-3-methyl- BRN 1555726 Piericidin Piericidin A1 Piericidine A Shaoguanmycin B 4-Pyridinol, 2-(10-hydroxy-3,7,9,11-tetramethyl-2,5,7,11-tridecatetraenyl)-5,6-dimethoxy-3-methyl-, (R-(R*,R*-(all-E)))- SN 198E UNII-8VT513UJ9R (CAS 2738-64-9)
- Mifepristone Impurity 1 (CAS 104004-96-8)
- N-Cyclohexyl-2-((4-oxo-3-(p-tolyl)-3,4,6,7-tetrahydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 686771-43-7)
- Nicardipine Impurity N13 (CAS 27058-15-7)
- Avanafil Impurity 83 (CAS 2221018-00-2)
- 2-{5-Oxo-4-[4-(trifluoromethoxy)phenyl]-4,5-dihydro-1H-1,2,4-triazol-1-yl}acetonitrile (CAS 866149-42-0)
- 4-Methyl-6-(phenylamino)pyrimidin-5-ol (CAS 61766-77-6)
- Estradiol Impurity 36 (CAS 1359847-39-4)
- 2-((4-Morpholinophenyl)amino)-2-oxoethyl 2-(methylthio)nicotinate (CAS 474298-84-5)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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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