(S)-(+)-α-Methoxy-α-(trifluoromethyl)phenylacetyl chloride

ALDRICH/369675 - 99%

Synonym: (S)-(+)-MTPA-Cl; Mosher’s acid chloride

CAS Number: 20445-33-4
Empirical Formula (Hill Notation): C₁₀H₈ClF₃O₂
Molecular Weight: 252.62
MDL Number: MFCD00067105
Linear Formula: C₆H₅C(OCH₃)(CF₃)COCl
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-369675-50MG	50 mg	$72.30 1/EA		Add To Favorites
45-369675-250MG	250 mg	$173.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	99%
bp	213-214 °C (lit.)
density	1.35 g/mL at 25 °C (lit.)
form	liquid
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
optical purity	ee: 98% (GLC)
refractive index	n20/D 1.469 (lit.)
SMILES string	CO[C@@](C(Cl)=O)(c1ccccc1)C(F)(F)F
storage temp.	−20°C

Application:	Used in the synthesis of natural products and pheromones.
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.
Other Notes:	doi:10.1038/nprot.2007.354
Packaging:	50, 250 mg in glass bottle
Packaging:	Bottomless glass bottle. Contents are inside inserted fused cone.

Symbol	GHS05
Signal word	Danger
Hazard statements	H314
Precautionary statements	P280 - P305 + P351 + P338 - P310
Hazard Codes	C
Risk Statements	34
Safety Statements	26-27-36/37/39-45
RIDADR	UN 3265 8 / PGII
WGK Germany	WGK 3
Flash Point(F)	192.2 °F - closed cup
Flash Point(C)	89 °C - closed cup

Purity	99%
bp	213-214 °C (lit.)
Density	1.35 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.469 (lit.)
Storage Temp.	−20°C
UNSPSC	12352101

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