(S)-(?)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid

(S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid is commonly used as a derivatizing agent in Mosher ester analysis and Mosher amide analysis, which are NMR-based methods for determining the absolute configuration of the chiral carbon center in secondary alcohols and amines, respectively.

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Catalog Number	CBB1114871
Alternative Name(s)	(?)-MTPA; Mosher’s acid
Molecular Formula	C6H5C(OCH3)(CF3)CO2H
CAS#	17257-71-5
Purity	>99%
Inchi	1S/C10H9F3O3/c1-16-9(8(14)15,10(11,12)13)7-5-3-2-4-6-7/h2-6H,1H3,(H,14,15)/t9-/m0/s1
Inchi Key	JJYKJUXBWFATTE-VIFPVBQESA-N
SMILES	CO[C@](C(O)=O)(c1ccccc1)C(F)(F)F
Size	Inquiry
Supplier Page	https://www.amerigoscientific.com/s-methoxy-trifluoromethylphenylacetic-acid-item-114871.html