Clindamycin Phosphas EP Impurity F CAS 27480-30-4
| CAS No. | 27480-30-4 |
| Molecular Formula | C18H35N2O9PS |
| Molecular Weight | 486.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
Clindamycin Phosphas EP Impurity F (CAS 27480-30-4) is a certified pharmaceutical impurity reference standard with the molecular formula C18H35N2O9PS and a molecular weight of 486.52 g/mol.
Based on its molecular formula C18H35N2O9PS, Clindamycin Phosphas EP Impurity F contains an amide group, a sulfone group, a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 486.52 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), Clindamycin Phosphas EP Impurity F meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H35N2O9PS |
| Molecular Weight | 486.52 g/mol |
| Purity | >90% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1964 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Clindamycin Standards
- Clindamycin Phosphate EP Impurity F (CAS 1228573-93-0)
- Clindamycin phosphate ester EP impurity F isomer (CAS 1149764-21-5)
- Clindamycin Phosphas EP Impurity B (CAS 54887-31-9)
- Clindamycin Impurity 83 (CAS CATO-C4X-134183)
- Clindamycin Palmitate Impurity 101 (CAS 623-65-4)
- Clindamycin Phosphate EP Impurity J (CAS 1309349-64-1)
- Clindamycin Impurity 9 (CAS CATO-C4X-13419)
- Clindamycin Impurity 20 (CAS CATO-C4X-1341120)
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