克林霉素杂质69

Clindamycin Impurity 69 (CAS 198080-64-7), also designated clindamycin dehydro impurity or 2-dechloro-N-(prop-1-en-1-yl) clindamycin, is a chlorine-free related substance of the lincosamide antibiotic clindamycin (C18H32N2O5S, MW 388.52), in which the amide side chain exists in a dehydro (prop-1-en-1-yl) form. As a known impurity of clindamycin, it is used as a reference standard for the identification and quantification of this compound in clindamycin APIs and finished formulations, supporting HPLC impurity profiling, method validation, and regulatory quality control.