Mosher's acid

Modify Date: 2025-08-22 15:15:12

Mosher's acid Structure
Mosher's acid structure
Common Name Mosher's acid
CAS Number 17257-71-5 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 46-49ºC
MSDS Chinese USA Flash Point 134.2±27.3 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

Name (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic 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 46-49ºC
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:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2918990090

 Synthetic Route

 Customs

HS Code 2918990090
Summary 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Articles9

More Articles
[Three dimensional structure analysis of organic chemical compounds from natural sources using NMR spectral analysis].

Kokuritsu Iyakuhin Shokuhin Eisei Kenkyusho. Hokoku. (121) , 87-8, (2003)

Mosher ester analysis for the determination of absolute configuration of stereogenic (chiral) carbinol carbons.

Nat. Protoc. 2 , 2451-2458, (2007)

This protocol details the most commonly used nuclear magnetic resonance (NMR)-based method for deducing the configuration of otherwise unknown stereogenic, secondary carbinol (alcohol) centers (R1R2CH...

Neural systems of reinforcement for drug addiction: from actions to habits to compulsion.

Nat. Neurosci. 8(11) , 1481-9, (2005)

Drug addiction is increasingly viewed as the endpoint of a series of transitions from initial drug use--when a drug is voluntarily taken because it has reinforcing, often hedonic, effects--through los...

 Synonyms

(S)-(-)-α-Methoxy-α-(trifluoroMethyl)phenylacetic Acid [Optical Resolving]
Mosher's acid
MFCD00064200
Benzeneacetic acid, α-methoxy-α-(trifluoromethyl)-, (αS)-
mtpa
(S)-Mosher's Acid
(±)-Mosher's acid
a-Methoxy-a-(trifluoromethyl)phenylacetic Acid
(-)-Mosher's acid
UNII:E015GCC0MA
(−)-MTPA
(S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid
(±)-MTPA
3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid
EINECS 241-292-1
(2S)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid
α-methoxy-α-trifluoromethylphenylacetic acid
(S)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid
(S)-(-)-MTPA
Benzeneacetic acid, α-methoxy-α-(trifluoromethyl)-
Methoxy (trifluoromethyl)phenylacetic acid
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