PRODUCT NAME: Clindamycin HCl EP Impurity B
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	CLN-006
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	18323-43-8
Mol. Formula	C₁₇H₃₁ClN₂O₅S
Molecular Wt	410.96
Long Term Storage Condition	-20°C, Hygroscopic	Handling instruction	Sample COA
IUPAC	(2S,4R)-N-[(1S,2S)-2-chloro-1-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-methylsulfanyloxan-2-yl]propyl]-4-ethyl-1-methylpyrrolidine-2-carboxamide
Chemical Name	Clindamycin HCl EP Impurity B
Synonyms	Methyl 7-Chloro-6,7,8-trideoxy-6-[[[(2S,4R)-4-ethyl-1-methyl-2-pyrrolidinyl]carbonyl]

Test	Results
Appearance	White to Light Yellow Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 95% BY HPLC
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Chloroform (Slightly), Dichloromethane (Slightly), Methanol (Slightly)
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