Clindamycin Phosphate EP Impurity E CAS 18323-44-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 18323-44-9 |
| Molecular Formula | C18H33ClN2O5S |
| Molecular Weight | 424.98 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Clindamycin Phosphate EP Impurity E (CAS 18323-44-9) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H33ClN2O5S. Molecular weight: 424.98 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H33ClN2O5S |
| Molecular Weight | 424.98 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Clindamycin Standards
- Clindamycin Impurity 149 (CAS CATO-C4X-1341149)
- Clindamycin Impurity 162 (CAS CATO-C4X-1341162)
- Clindamycin EP Impurity C (CAS 16684-06-3)
- Clindamycin Isomer Impurity（Clindamycin EP Impurity F） (CAS 1440605-46-8)
- Clindamycin Impurity 66 (CAS CATO-C4X-134166)
- Clindamycin-13C-d3 (CAS 2140264-63-5)
- Clindamycin Impurity 5 (CAS CATO-C4X-13415)
- Clindamycin EP Impurity B (CAS 18323-43-8)
Recommended Standards
- 1,2,4-Trichloro-5-[(2,4,5-trichlorophenyl)disulfanyl]benzene (CAS 3808-87-5)
- 4-Bromo-2-(tert-butyl)-6-iodooxazolo[4,5-c]pyridine-7-carboxylic acid (CAS 1305325-12-5)
- 2-(Dibromomethyl)-1-nitroanthracene-9,10-dione (CAS 6941-85-1)
- Carboplatin Impurity 9 (CAS CATO-C4X-20619)
- Spectinomycin EP Impurity B DiHCl (CAS CATO-C4X-22167)
- 1-Pyridin-3-yl-1-tosylmethylisocyanide (CAS 1067660-10-9)
- 2-Fluoro-3-pentafluoroethylpyridine (CAS 1713163-12-2)
- 6-Bromo-2,2-difluoro-5H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]imidazole (CAS 188028-30-0)
- Methyl 2-(2-bromo-3,6-difluorophenyl)acetate (CAS 1805594-04-0)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
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