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Menadione
C11H8O2 172.18
 1,4-Naphthalenedione, 2-methyl-;
 2-Methyl-1,4-naphthoquinone [58-27-5]

DEFINITION

Menadione contains NLT 98.5% and NMT 101.0% of menadione (C11H8O2), calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Menadione RS
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