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Alfa Aesar™ (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%

$117.14 - $498.73

Chemical Identifiers

CAS 17257-71-5
Molecular Formula C10H9F3O3
Formula Weight 234.18
MDL Number MFCD00064200
Beilstein 3591561
Merck Index 14,6280
Synonym (-)-Mosher's acid; (-)-MTPA
Chemical Name or Material (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAB2311788 SDS Alfa Aesar™
B2311788
2.5g Each for $498.73
AAB23117ME SDS Alfa Aesar™
B23117ME
500mg Each for $117.14
Specifications

Description

Applications
(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid is used as a chiral derivatizing agent, it reacts with an alcohol or amine of unknown stereochemistry to form an ester or amide. The absolute configuration of the ester or amide is then determined by proton and/or 19F NMR spectroscopy.

Solubility
Readily soluble in hexane, ether, THF, CH2Cl2, benzene.

Notes
Hygroscopic. Store under inert gas. Store away from oxidizing agents, moisture.
Description & Specifications

Chemical Identifiers

17257-71-5
234.18
3591561
(-)-Mosher's acid; (-)-MTPA
C10H9F3O3
MFCD00064200
14,6280
(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid

Specifications

17257-71-5
234.18
3591561
(-)-Mosher's acid; (-)-MTPA
43° to 45°C
>110°C (230°F)
(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
C10H9F3O3
MFCD00064200
14,6280
105° to 107°C (1mmHg)
2.5g
−72° (c=2 in Methanol)
99%

Safety and Handling

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Warning

Recommended Storage : 2° to 8°C