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
n20/D 1.469 (lit.)
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.
Application
Used in the synthesis of natural products and pheromones.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Other Notes
doi:10.1038/nprot.2007.354
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Danger
hcodes
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
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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