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Efavirenz
C14H9ClF3NO2 315.67
 1H-Benzo[d][1,3]oxazin-2(4H)-one, 6-chloro-4-cyclopropylethynyl-4-trifluoromethyl;
 (S)-6-Chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one [154598-52-4]

DEFINITION

Efavirenz contains NLT 98.0% and NMT 102.0% of C14H9ClF3NO2, calculated on the anhydrous, solvent-free basis.

USP REFERENCE STANDARDS FOR PURCHASE

USP Efavirenz RS
USP Efavirenz Racemic RS
USP Efavirenz Related Compound B RS
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