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65369 Sigma-Aldrich

(S)-(−)-α-Methoxy-α-trifluoromethylphenylacetic acid

for chiral derivatization, ≥99.0%

Synonym: (−)-MTPA, Mosher’s acid

  • CAS Number 17257-71-5

  • Empirical Formula (Hill Notation) C10H9F3O3

  • Molecular Weight 234.17

  •  Beilstein Registry Number 4684048

  •  EC Number 241-292-1

  •  MDL number MFCD00064200

  •  PubChem Substance ID 24883979

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Chiral, Chiral Derivatization Reagents, Chiral GC Derivatization Reagents,
grade   for chiral derivatization
InChI Key   JJYKJUXBWFATTE-VIFPVBQESA-N
assay   ≥99.0% (T)
  ≥99.0%
optical activity   [α]20/D −73±1°, c = 2% in methanol
optical purity   enantiomeric ratio: ≥99.5:0.5 (GC)
bp   90 °C/0.1 mmHg
mp   46-49 °C(lit.)
storage temp.   2-8°C

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Application

Determination of absolute configuration of stereogenic carbinol carbons; doi:10.1038/nprot.2007.354

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
235.4 °F
Flash Point(C) 
113 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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