PRODUCT NAME: Bosentan USP Related Compound A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	BOA-003
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	150727-06-3
Alternate CAS Number	1218951-79-1(cesium salt)
Mol. Formula	C25H24ClN5O4S
Molecular Wt	526.0 g/mol
IUPAC	(4-(Tert-butyl)-N-[6-chloro-5-(2-methoxyphenoxy)-(2,2'-bipyrimidin)-4-yl] benzenesulfonamide)
Synonyms	Bosentan Monohydrate - Impurity A (EP/BP) (As per EP Monograph 37.3); N-[6-Chloro-5-(2-methoxyphenoxy)-(2,2-bipyrimidine)4-4-yl]-(1,1-dimethylethyl)-benzenesulfonamide; 4-tert-Butyl-N-[6-chloro-5-(2-methoxyphenoxy)-2-(2-pyrimidinyl)-4-pyrimidinyl]benzeneSulfonamide; Bosentan Related Compound A
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	white to off-white crystalline 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 98%
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