Date published: 2025-11-6

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(R)-(−)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride (CAS 39637-99-5)

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Alternate Names:
Mosher′s acid chloride
CAS Number:
39637-99-5
Molecular Weight:
252.62
Molecular Formula:
C10H8ClF3O2
Supplemental Information:
This is as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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R(−)-MTPA-Cl is derived from S(−)-MTPA. Ready-to-use reagent for determining the enantiomeric purity of alcohols and amines after derivatization(1),(2)


(R)-(−)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride (CAS 39637-99-5) References

1. J.A. Dale, H.S. Mosher J. Am. Chem. Soc. 95, 512, (1973) 2. S. Yamaguchi, J.D. Morrison, ed. Asymmetric Synthesis New York 1, (1983)

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(R)-(−)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride, 100 mg

sc-253378
100 mg
$66.00