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(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%, Thermo Scientific Chemicals

$178.59 - $578.90

Chemical Identifiers

CAS 17257-71-5
Molecular Formula C10H8F3O3
Molecular Weight (g/mol) 233.17
MDL Number MFCD00064200
InChI Key JJYKJUXBWFATTE-VIFPVBQESA-M
Synonym s---alpha-methoxy-alpha-trifluoromethyl phenylacetic acid, s-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid, --mosher's acid, --mtpa, unii-172hcj1iqv, 172hcj1iqv, 2s-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid, --alpha-methoxy-alpha-trifluoromethyl phenylacetic acid, s---mtpa, --a-methoxy-a-trifluoromethylphenylacetic acid
PubChem CID 6992788
IUPAC Name (2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid
SMILES CO[C@](C([O-])=O)(C1=CC=CC=C1)C(F)(F)F
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Products 2
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAB23117ME
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Thermo Scientific Chemicals
B23117ME
500 mg
Each for $178.59
 
AAB2311788
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Thermo Scientific Chemicals
B2311788
2.5 g
Each for $578.90
 
Description

Description

(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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

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.
Specifications

Chemical Identifiers

17257-71-5
233.17
JJYKJUXBWFATTE-VIFPVBQESA-M
6992788
CO[C@](C([O-])=O)(C1=CC=CC=C1)C(F)(F)F
C10H8F3O3
MFCD00064200
s---alpha-methoxy-alpha-trifluoromethyl phenylacetic acid, s-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid, --mosher's acid, --mtpa, unii-172hcj1iqv, 172hcj1iqv, 2s-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid, --alpha-methoxy-alpha-trifluoromethyl phenylacetic acid, s---mtpa, --a-methoxy-a-trifluoromethylphenylacetic acid
(2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid

Specifications

17257-71-5
1.344
>110°C (230°F)
MFCD00064200
3591561
14,6280
Readily soluble in hexane,ether,THF,CH2Cl2,benzene.
−72° (c=2 in Methanol)
(2S)-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid
6992788
99%
43°C to 45°C
105°C to 107°C (1 mmHg)
C10H8F3O3
500 mg
Hygroscopic
s---alpha-methoxy-alpha-trifluoromethyl phenylacetic acid, s-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid, --mosher's acid, --mtpa, unii-172hcj1iqv, 172hcj1iqv, 2s-3,3,3-trifluoro-2-methoxy-2-phenylpropanoic acid, --alpha-methoxy-alpha-trifluoromethyl phenylacetic acid, s---mtpa, --a-methoxy-a-trifluoromethylphenylacetic acid
JJYKJUXBWFATTE-VIFPVBQESA-M
CO[C@](C([O-])=O)(C1=CC=CC=C1)C(F)(F)F
233.17
234.18
(S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid
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Safety and Handling

Safety and Handling

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

P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

H315-H319-H335

EINECSNumber : 241-292-1

TSCA : No

Recommended Storage : Keep cold

SDS
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RUO – Research Use Only