Synonyms: Benzeneacetylchloride, a-methoxy-a-(trifluoromethyl)-, (S)-;Hydratropoyl chloride, b,b,b-trifluoro-a-methoxy-, (+)- (8CI); (+)-(aS)-a-Methoxy-a-(trifluoromethyl)benzeneacetyl chloride; (+)-MTPA chloride; (+)-Mosher'schloride; (+)-a-Methoxy-a-(trifluoromethyl)phenylacetylchloride; (2S)-2-Methoxy-2-trifluoromethylphenylacetyl chloride; (2S)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoylchloride; (S)-(+)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoyl chloride;(S)-(+)-MTPA-Cl; (S)-(+)-a-Methoxy-a-(trifluoromethyl)phenylacetylchloride; (S)-(+)-a-Methoxy-a-(trifluoromethyl)phenylethanoylchloride; (S)-2-Methoxy-2-(trifluoromethyl)phenylacetyl chloride;(S)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoyl chloride;(S)-3,3,3-Trifluoro-2-methoxy-2-phenylpropionyl chloride; (S)-MTPA chloride;(S)-MTPA-Cl; (S)-Mosher's acid chloride; (S)-a-Methoxy-a-(trifluoromethyl)phenylacetyl chloride; Mosher's reagent; S-(+)-a-Methoxy-a-(trifluoromethyl)phenylaceticacid chloride