Certificate of Analysis

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(+)-Biotin N-hydroxysuccinimide ester

Product Name:	(+)-Biotin N-hydroxysuccinimide ester
Catalog Number:	E2997
Batch Number:	E299701

Molecular Formula:	C₁₄H₁₉N₃O₅S
Molecular Weight:	341.38
CAS No.:	35013-72-0
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: 100.00% purity | NMR: Consistent with structure