| CAS No. | 1228573-90-7 |
| Molecular Formula | C18H34ClN2O9PS |
| Molecular Weight | 520.96 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 520.96 g/mol gives Clindamycin Phosphate Sulfoxide Impurity distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Clindamycin Phosphate Sulfoxide Impurity (CAS 1228573-90-7), a pharmacopoeial impurity reference standard (molecular formula C18H34ClN2O9PS, MW 520.96 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to an amide group, a sulfone group, a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, Clindamycin Phosphate Sulfoxide Impurity is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 520.96 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures Clindamycin Phosphate Sulfoxide Impurity under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C18H34ClN2O9PS |
| Molecular Weight | 520.96 g/mol |
| Purity | >95% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |