PRODUCT NAME: Rifabutin EP Impurity D
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	RIF-001
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	62041-01-4
Mol. Formula	C37H47N3O11
Molecular Wt	709.79
IUPAC	3-Amino-4-imidorifamycin S
Synonyms	3-Amino-4-deoxy-4-imino Rifamycin S; 3-Amino-1,4-dideoxy-1,4-dihydro-4-imino-1-oxorifamycin; 3-Amino-1,4-dideoxy-1,4-dihydro-4-imino-1-oxorifamycin; 3-Amino-4-iminorifamycin S
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	White Powder
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility
Purity	NLT 95%
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption