(S)-(-)-Mosher's acid

Modify Date: 2025-08-20 20:14:31

(S)-(-)-Mosher's acid Structure
(S)-(-)-Mosher's acid structure
Common Name (S)-(-)-Mosher's acid
CAS Number 81655-41-6 Molecular Weight 234.172
Density 1.4±0.1 g/cm3 Boiling Point 287.2±0.0 °C at 760 mmHg
Molecular Formula C10H9F3O3 Melting Point 41-46ºC(lit.)
MSDS Chinese USA Flash Point 134.2±27.3 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name (±)-α-Methoxy-α-trifluoromethylphenylacetic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 287.2±0.0 °C at 760 mmHg
Melting Point 41-46ºC(lit.)
Molecular Formula C10H9F3O3
Molecular Weight 234.172
Flash Point 134.2±27.3 °C
Exact Mass 234.050385
PSA 46.53000
LogP 3.79
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.470
Storage condition 2-8°C

 Safety Information

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3

 Articles2

More Articles
Anti-complement sesquiterpenes from Viola yedoensis.

Fitoterapia 101 , 73-9, (2015)

Two new germacrane sesquiterpenes, yedoensins A (1) and B (2), together with 8 known ones (3-10) were isolated from the herb of Viola yedoensis. The structures of the new compounds were established by...

a-Methoxy-a-trifluoromethylphenylacetic acid, a versatile reagent for the determination of enantiomeric composition of alcohols and amines. J. A. Dale, D. L. Dull, H. S. Mosher

J. Org. Chem. 34(9) , 2543-2549, (1969)

 Synonyms

(-)-Mosher's acid
(−)-MTPA
(S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid
Mosher's acid
Benzeneacetic acid, α-methoxy-α-(trifluoromethyl)-, (αS)-
MFCD00066637
(2S)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid
(S)-(-)-MTPA
(S)-Mosher's Acid
(±)-Ä-Methoxy-Ä-trifluoromethylphenylacetic acid
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