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Ethotoin
C11H12N2O2 204.23
 2,4-Imidazolidinedione, 3-ethyl-5-phenyl-, (±)-.
 (±)-3-Ethyl-5-phenylhydantoin [86-35-1]

» Ethotoin contains not less than 97.5 percent and not more than 102.0 percent of C11H12N2O2, calculated on the dried basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP 5-Phenylhydantoin RS
USP Ethotoin RS
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