Certificate of Analysis

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Bosentan

Molecular Formula:	C₂₇H₂₉N₅O₆S
Molecular Weight:	551.61
CAS No.:	147536-97-8
Storage (From the date of receipt):	3 years -20°C powder
Storage (From the date of receipt):	1 year -80°C in solvent
Image:

HPLC: 99.94% purity | NMR: Consistent with structure