Synonym:
(+)-MTPA,
Mosher’s acid
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CAS Number 20445-31-2
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Linear Formula C6H5C(OCH3)(CF3)CO2H
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Molecular Weight 234.17
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Beilstein Registry Number 3591560
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EC Number 243-829-5
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MDL number MFCD00004184
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PubChem Substance ID 329760051
Properties:
| Related Categories |
Analytical Reagents,
Analytical/Chromatography,
Chiral,
Chiral Derivatization Reagents,
Chiral GC Derivatization Reagents,
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grade
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for chiral derivatization
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InChI Key
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JJYKJUXBWFATTE-SECBINFHSA-N
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assay
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≥99.0% (T)
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|
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≥99.0%
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optical activity
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[α]20/D +73±1°, c = 2% in methanol
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optical purity
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enantiomeric ratio: ≥99.5:0.5 (GC)
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refractive index
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n20/D 1.473(lit.)
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bp
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105-107 °C/1 mmHg(lit.)
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mp
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46-49 °C(lit.)
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density
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1.344 g/mL at 25 °C(lit.)
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storage temp.
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2-8°C
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Description:
Other Notes
Reagent for enantiomeric alcohols, (+)-a-methoxy-a-trifluoromethylphenyleacetyl, and (+)-a-methoxy-a-trifluoromethylphenyleacetamide.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Application
Reagent used for the determination of the enantiomeric purity and the absolute configuration of alcohols and amines by NMR; doi:10.1038/nprot.2007.354; Review
General description
Mosher’s acid chloride is generally used as a chiral derivatizing agent. It is easily available in enantiomerically pure form. It can form diastereomers with both alcohols and amines.
Recommended products
Discover LiChropur reagents ideal for HPLC or LC-MS analysis
Safety:
Symbol

GHS07
Hazard statements
H315-H319-H335
Precautionary statements
P261-P305 + P351 + P338
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
RIDADR
NONH for all modes of transport