(R)-(+)-Mosher's acid

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Names

[ CAS No. ]:
20445-31-2

[ Name ]:
(R)-(+)-Mosher's acid

[Synonym ]:
(R)-(+)-α-methoxy-α-trifluoromethylphenylacetic acid
Benzeneacetic acid, α-methoxy-α-(trifluoromethyl)-, (R)-
(+)-Mosher's acid
MFCD00004184
Mosher’s acid
(2R)-3,3,3-Trifluoro-2-methoxy-2-phenylpropanoic acid
Benzeneacetic acid, α-methoxy-α-(trifluoromethyl)-, (αR)-
(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
(R)-(+)-α-Methoxy-α-(trifluoroMethyl)phenylacetic Acid [Optical Resolving]
EINECS 243-829-5
(+)-MTPA
R-Mosher's acid

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

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

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

Precursor & DownStream

Precursor

(R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanol
2-(1-bromoethyl)naphthalene
(R,S)-4,5,5-triphenyl-3-(2-methoxy-2-phenyl-2-trifluoromethyl-acetyl)oxazolidin-2-one
(r)-mtpa
α-methoxy-α-(trifluoromethyl)phenylacetyl ester
(R)-α-hydroxy-α-trifluoromethylphenyl acetic acid
(R)-(+)-Mosher's acid
2,2,2-Trifluoroacetophenone

DownStream

(+/-)-1-methoxy-1-(trifluoromethyl)phenylacetyl chloride
(R)-(+)-Mosher's acid
Mosher's acid
(S)-(+)-alpha-methoxy-alpha-trifluoromethylphenylacetyl chloride
(+)-5,6-O-CYCLOHEXYLIDENE-L-ASCORBICACID

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%

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...

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