318035

(S)-(−)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid

≥99%

Manufacturer: Sigma Aldrich

CAS Number: 17257-71-5

Synonym(S): (−)-MTPA, Mosher’s acid

Select a Size

Pack Size SKU Availability Price
250 MG 318035-250-MG In Stock ₹ 5,033.63
1 G 318035-1-G In Stock ₹ 14,397.25

318035 - 250 MG

₹ 5,033.63

In Stock

Quantity

1

Base Price: ₹ 5,033.63

GST (18%): ₹ 906.053

Total Price: ₹ 5,939.683

Quality Level

200

Assay

≥99%

optical activity

[α]18/D −72°, c = 1.6 in methanol

optical purity

ee: 99% (GLC)

refractive index

n20/D 1.474 (lit.)

bp

95-97 °C/0.05 mmHg (lit.)

mp

46-49 °C (lit.)

density

1.303 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CO[C@](C(O)=O)(c1ccccc1)C(F)(F)F

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Description

  • General description: (S)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetic acid 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.[1]
  • Packaging: Bottomless glass bottle. Contents are inside inserted fused cone.
  • Other Notes: doi:10.1038/nprot.2007.354

SAFETY INFORMATION

Pictograms

GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Precautionary Statements

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

235.4 °F

Flash Point(C)

113 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Quality Level:
200

Assay:
≥99%

optical activity:
[α]18/D −72°, c = 1.6 in methanol

optical purity:
ee: 99% (GLC)

refractive index:
n20/D 1.474 (lit.)

bp:
95-97 °C/0.05 mmHg (lit.)

mp:
46-49 °C (lit.)

density:
1.303 g/mL at 25 °C (lit.)

storage temp.:
2-8°C

SMILES string:
CO[C@](C(O)=O)(c1ccccc1)C(F)(F)F

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