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Merck
모든 사진(1)

문서

156558

Sigma-Aldrich

α-Methoxy-α-(trifluoromethyl)phenylacetic acid

97%

동의어(들):

MTPA

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About This Item

Linear Formula:
C6H5C(OCH3)(CF3)CO2H
CAS Number:
Molecular Weight:
234.17
MDL number:
UNSPSC 코드:
12352100
PubChem Substance ID:
NACRES:
NA.22

분석

97%

refractive index

n20/D 1.476 (lit.)

bp

95-98 °C/0.05 mmHg (lit.)

mp

41-46 °C (lit.)

저장 온도

2-8°C

SMILES string

COC(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)

InChI key

JJYKJUXBWFATTE-UHFFFAOYSA-N

애플리케이션

Diastereomeric bis-esters of (±)-trans-7,8-dihydroxy-7,8,9,10-tetrahydrobenzo[α]pyrene with MTPA has been used as a noncarcinogenic precursor to obtain the (+)and (-)-dihydrodiols by chromatographic resolution. It has also been used to develop empirically derived correlation of configuration and nmr chemical shifts for diastereomeric MTPA esters.

픽토그램

Exclamation mark

신호어

Warning

유해 및 위험 성명서

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


시험 성적서(COA)

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문서 라이브러리 방문

Yuka Uemura et al.
Chemical & pharmaceutical bulletin, 63(8), 608-616 (2015-08-04)
From the leaves of Meliosma lepidota ssp. squamulata, megastigmane glucosides with spiro-structures and megastigmanes were isolated. Their structures were determined by X-ray crystallographic analyses and spectroscopic investigation. The absolute structures of the megastigmanes were determined by the modified Mosher's method.
Nuclear Magnetic Resonance Enantiomer Reagents. Configurational Correlations via Nuclear Magnetic Resonance Chemical Shifts of Diastereomeric Mandelate, 0-Methylmandelate, and α-Methoxy-α-trifluoromethylphenylacetate (MTPA) Esters
Dale JA and Mosher HS
Journal of the American Chemical Society, 95(2), 512-519 (1973)
W Levin et al.
The Journal of biological chemistry, 255(19), 9067-9074 (1980-10-10)
The (+)- and (-)-enantiomers of benzo[a]pyrene 7,8-oxide are hydrated stereospecifically at C-8 to (-)- and (+)-trans-7,8-dihydroxy-7,8-dihydrobenzo[a]pyrene, respectively, by rat hepatic epoxide hydrolase. The (-)-enantiomer of benzo[a]pyrene 7,8-oxide is metabolized by microsomal epoxide hydrolase at a rate 3- to 4-fold greater
Dongsheng Du et al.
Fitoterapia, 101, 73-79 (2015-01-07)
Two new germacrane sesquiterpenes, yedoensins A (1) and B (2), together with 8 known ones (3-10) were isolated from the herb of Viola yedoensis. The structures of the new compounds were established by extensive spectroscopic means including 1D ((1)H and
Guangyu Wang et al.
Oncology letters, 10(5), 2835-2841 (2016-01-02)
MicroRNA-181 (miR-181) has been recently demonstrated to participate in the differentiation and development of immune cells, including natural killer cells and B and T lymphocytes, and myeloid linages, including erythroid and megakaryocytic cells. The aberrant expression of miR-181, particularly low

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