369675
(S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride
99%
Synonym(s):
(S)-(+)-MTPA-Cl, Mosher’s acid chloride
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About This Item
Linear Formula:
C6H5C(OCH3)(CF3)COCl
CAS Number:
Molecular Weight:
252.62
UNSPSC Code:
12352101
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3591562
Assay:
99%
Form:
liquid
Quality Segment
assay
99%
form
liquid
optical purity
ee: 98% (GLC)
refractive index
n
bp
213-214 °C (lit.)
density
1.35 g/mL at 25 °C (lit.)
functional group
acyl chloride, ether, fluoro, phenyl
storage temp.
−20°C
SMILES string
CO[C@@](C(Cl)=O)(c1ccccc1)C(F)(F)F
InChI
1S/C10H8ClF3O2/c1-16-9(8(11)15,10(12,13)14)7-5-3-2-4-6-7/h2-6H,1H3/t9-/m1/s1
InChI key
PAORVUMOXXAMPL-SECBINFHSA-N
General description
(S)-(+)-α-Methoxy-α-trifluoromethylphenylacetyl chloride is commonly used as a derivatizing agent in Mosher ester analysis and Mosher amide analysis, which are NMR-based methods for determining the absolute configuration of the chiral carbon center in secondary alcohols and amines, respectively.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Other Notes
doi:10.1038/nprot.2007.354
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Skin Corr. 1B
Storage Class
8A - Combustible corrosive hazardous materials
WGK
WGK 3
Flash Point (°F)
192.2 °F - closed cup
Flash Point (°C)
89 °C - closed cup
PPE (personal protective equipment)
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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