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Certificate of Analysis

RS-1

Molecular Formula:	C₂₀H₁₆Br₂N₂O₃S
Molecular Weight:	524.23
CAS No.:	312756-74-4
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.30% purity | NMR: Consistent with structure