65361

(R)-(+)-α-Methoxy-α-trifluoromethylphenylacetic acid

derivatization grade (chiral), LiChropur^™, ≥99.0%

• Synonym(s): (+)-MTPA, Mosher’s acid
• Linear Formula: C₆H₅C(OCH₃)(CF₃)CO₂H
• CAS Number: 20445-31-2
• Molecular Weight: 234.17
• Beilstein/REAXYS Number: 3591560
• EC Number: 243-829-5
• MDL number: MFCD00004184
• UNSPSC Code: 41115716
• PubChem Substance ID: 329760051
• NACRES: NA.22

Properties

• grade: derivatization grade (chiral)
• Quality Level: 100
• assay: ≥99.0% (T); ≥99.0%
• form: solid
• optical activity: [α]20/D +73±1°, c = 2% in methanol
• optical purity: enantiomeric ratio: ≥99.5:0.5 (GC)
• quality: LiChropur^™
• technique(s): HPLC: suitable
• refractive index: n20/D 1.473 (lit.)
• bp: 105-107 °C/1 mmHg (lit.)
• mp: 46-49 °C (lit.)
• density: 1.344 g/mL at 25 °C (lit.)
• storage temp.: 2-8°C
• SMILES string: CO[C@@](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)/t9-/m1/s1
• InChI key: JJYKJUXBWFATTE-SECBINFHSA-N

Description

General description

Mosher′s acid chloride is generally used as a chiral derivatizing agent. It is easily available in enantiomerically pure form. It can form diastereomers with both alcohols and amines.[1]

application

Mosher′s acid chloride is used as a dervatization agent for β-arylethylamines, enantiomeric alcohols, and enantiomeric amines. It is also a reagent used for the determination of enantiomeric purity and absolute configuration of alcohols and amines by NMR.[2][3][4][5]

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Recommended products

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: 235.4 °F - closed cup
• flash_point_c: 113 °C - closed cup
• ppe: dust mask type N95 (US), Eyeshields, Gloves