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  • 156558 - α-Methoxy-α-(trifluoromethyl)phenylacetic acid

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156558 Sigma-Aldrich

α-Methoxy-α-(trifluoromethyl)phenylacetic acid

97%

Synonym: MTPA

  • CAS Number 56135-03-6

  • Linear Formula C6H5C(OCH3)(CF3)CO2H

  • Molecular Weight 234.17

  •  MDL number MFCD00066637

  •  PubChem Substance ID 24849618

  •  NACRES NA.22

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Properties

Related Categories Building Blocks, C10, Carbonyl Compounds, Carboxylic Acids, Chemical Synthesis,
assay   97%
refractive index   n20/D 1.476 (lit.)
bp   95-98 °C/0.05 mmHg (lit.)
mp   41-46 °C (lit.)
storage temp.   2-8°C
SMILES string   COC(C(O)=O)(c1ccccc1)C(F)(F)F
InChI   1S/C10H9F3O3/c1-16-9(8(14)15,10(11,12)13)7-5-3-2-4-6-7/h2-6H,1H3,(H,14,15)
InChI key   JJYKJUXBWFATTE-UHFFFAOYSA-N

Description

Application

Diastereomeric bis-esters of (±)-trans-7,8-dihydroxy-7,8,9,10-tetrahydrobenzo[α]pyrene with MTPA has been used as a noncarcinogenic precursor to obtain the (+)and (-)-dihydrodiols by chromatographic resolution. It has also been used to develop empirically derived correlation of configuration and nmr chemical shifts for diastereomeric MTPA esters.

Packaging

1, 5 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory system
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
235.4 °F - closed cup
Flash Point(C) 
113 °C - closed cup

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Protocols & Articles
Peer-Reviewed Papers
15

References

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