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Ensulizole
C13H10N2O3S 274.30
 1H-Benzimidazole-5-sulfonic acid-2-phenyl-;
 2-Phenylbenzimidazole-5-sulfonic acid [27503-81-7]

DEFINITION

Ensulizole contains NLT 98.0% and NMT 102.0% of ensulizole (C13H10N2O3S), calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Ensulizole RS
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