318035

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

≥99%

• 동의어(들): (−)-MTPA, Mosher’s acid
• Linear Formula: C₆H₅C(OCH₃)(CF₃)CO₂H
• CAS Number: 17257-71-5
• Molecular Weight: 234.17
• Beilstein: 4684048
• EC Number: 241-292-1
• MDL number: MFCD00064200
• UNSPSC 코드: 12352112
• PubChem Substance ID: 24859111
• NACRES: NA.22

속성

• Quality Level: 200
• 분석: ≥99%
• 광학 활성: [α]18/D −72°, c = 1.6 in methanol
• 광학 순도: 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.)
• 작용기: carboxylic acid; ether; fluoro; phenyl
• 저장 온도: 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-/m0/s1
• InChI key: JJYKJUXBWFATTE-VIFPVBQESA-N

설명

일반 설명

(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.

포장

Bottomless glass bottle. Contents are inside inserted fused cone.

기타 정보

doi:10.1038/nprot.2007.354

안전성 정보

• 픽토그램: GHS07
• 신호어: Warning
• 유해 및 위험 성명서: H315,H319,H335
• 예방조치 성명서: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• 표적 기관: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point (°F): 235.4 °F - closed cup
• Flash Point (°C): 113 °C - closed cup
• 개인 보호 장비: dust mask type N95 (US), Eyeshields, Gloves