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Certificate of Analysis

Tazarotene

Molecular Formula:	C₂₁H₂₁NO₂S
Molecular Weight:	351.46
CAS No.:	118292-40-3
Storage (From the date of receipt):	3 years -20°C powder
	1 year -80°C in solvent
Image:

HPLC: 99.70% purity | NMR: Consistent with structure