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(R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid_Molecular_structure_CAS_20445-31-2)
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(R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid

Catalog No. 155268 Name Sigma Aldrich
CAS Number 20445-31-2 Website http://www.sigmaaldrich.com
M. F. C10H9F3O3 Telephone 1-800-521-8956
M. W. 234.1718696 Fax
Purity 99% Email
Storage Chembase ID: 10382

SYNONYMS

Title
(R)-(+)-α-甲氧基-α-三氟甲基苯乙酸
IUPAC name
(2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid
IUPAC Traditional name
(2R)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid
Synonyms
(+)-MTPA
Mosher’s acid
Mosher 酸

DATABASE IDS

MDL Number MFCD00004184
PubChem SID 24849508
CAS Number 20445-31-2
Beilstein Number 3591560
EC Number 243-829-5

PROPERTIES

GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 36/37/38
Safety Statements 26-36
Storage Temperature 2-8°C
German water hazard class 3
GHS Pictograms GHS07
GHS Signal Word Warning
Linear Formula C6H5C(OCH3)(CF3)CO2H
Optical Purity ee: 99% (GLC)
Purity 99%
Boiling Point 105-107 °C/1 mmHg(lit.)
Density 1.344 g/mL at 25 °C(lit.)
Flash Point 113 °C
Flash Point 235.4 °F
Melting Point 46-49 °C(lit.)
Optical Rotation [α]20/D +72°, c = 1.6 in methanol
Refractive Index n20/D 1.473(lit.)

DETAILS

Description (English)
Application
Derivatizing reagent for determination of enantiomeric excess by NMR.1,2
Other Notes
doi:10.1038/nprot.2007.354
Packaging
1, 5 g in glass bottle
250 mg in glass bottle
Description (简体中文)
Application
用于通过 NMR 测定对映体过量的衍生化试剂。1,2
Other Notes
doi:10.1038/nprot.2007.354
包装
1, 5 g in glass bottle
250 mg in glass bottle

REFERENCES