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65363 Sigma-Aldrich

(R)-(−)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride

for chiral derivatization, ≥99.0%

Synonym: (R)-(−)-MTPA-Cl, Mosher’s acid chloride

  • CAS Number 39637-99-5

  • Linear Formula C6H5C(OCH3)(CF3)COCl

  • Molecular Weight 252.62

  •  Beilstein Registry Number 3591568

  •  MDL number MFCD00044400

  •  PubChem Substance ID 24883973

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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   PAORVUMOXXAMPL-VIFPVBQESA-N
assay   ≥99.0% (AT)
  ≥99.0%
optical activity   [α]20/D −137±2°, c = 6.4% in carbon tetrachloride
optical purity   enantiomeric ratio: ≥99.5:0.5 (GC)
refractive index   n20/D 1.469
  n20/D 1.47(lit.)
bp   213-214 °C(lit.)
density   1.35 g/mL at 25 °C(lit.)
shipped in   wet ice
storage temp.   −20°C

Description

Other Notes

Please note that R(-)-MTPA-Cl is derived from S(-)-MTPA

Same product — same quality — now Sigma-Aldrich brand

Packaging

100, 500 mg in glass bottle

Bottomless glass bottle. Contents are inside inserted fused cone.

Application

Ready-to-use reagent for the determination of the enantiomeric purity of alcohols and amines after derivatization; doi:10.1038/nprot.2007.354

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 3265 8 / PGII
WGK Germany 
3
Flash Point(F) 
192.2 °F
Flash Point(C) 
89 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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92210 Timestrip Plus 0 °C
06693 Timestrip Plus -20 °C

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