PRODUCT NAME: Clindamycin Phosphate EP Impurity K
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	CLN-012
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	N/A
Mol. Formula	C36H66Cl2N4O15P2S2
Molecular Wt	992.0 g/mol
Long Term Storage Condition	2°C to 8°C	Handling instruction	Sample COA
IUPAC	2,2'-Oxybis(hydroxyphosphoryl)bis[methyl 7-chloro-6,7,8-trideoxy-6-[[[(2S,4R)-1-methyl-4-propylpyrrolidin-2-yl]carbonyl]amino]-1-thio-L-threo-a-D-gala
Chemical Name	Clindamycin Phosphate EP Impurity K
Synonyms	Diclindamycin Pyrophosphate

Test	Results
Appearance	White To Off-White
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Soluble In Methanol
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption