USPUSP-NF
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FD&C Red No. 3
Erythrosine
CI 45430
 Class: Xanthene C20H6O5I4Na2 Formula wt 879.86
 127 [16423-68-0] PN2ZH5LOQY fd&c red no. 3

DESCRIPTION

FD&C Red No. 3 is principally the monohydrate of 9-(o-carboxyphenyl)-6-hydroxy-2,4,5,7-tetraiodo-3H-xanthen-3-one, disodium salt, with smaller amounts of lower iodinated fluoresceins.

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