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20445-31-2 - (R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99% - (+)-Mosher's acid - (+)-MTPA - B22968 - Alfa Aesar

B22968 (R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%

CAS 번호
20445-31-2
동의어
(+)-Mosher's acid
(+)-MTPA

사이즈 가격 ($) 수량 재고 여부
0.1g 38.60
500mg 72.80
장바구니에 추가 대량 견적에 추가 항목 보기

(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%

MDL
MFCD00004184
EINECS
243-829-5

화학적 특성

화학식
C10H9F3O3
화학 식량
234.18
융점
43-45°
비등점
105-107°/1mm
인화점
>110°(230°F)
밀도
1.344
굴절률
1.4730
감도
Hygroscopic
용해도
Soluble in methanol (50 mg/ 1 ml).

용도

(R)-(+)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid is widely used reagent for determination of optical purities of alcohols and amines by 1H or 19F NMR.

참고

Hygroscopic. Store under inert gas. Store away from oxidizing agents, moisture.

참조 문헌

Frank J. VillaniJr.; Michael J. Costanzo; Ruth R. Inners; Martin S. Mutter; David E. McClure. Determination of enantiomeric purity of tertiary amines by proton NMR of .alpha.-methoxy-.alpha.-(trifluoromethyl)phenylacetic acid complexes. J. Org. Chem. 1986, 51 (19), 3715-3718.

Soonsin S. Oh; William M. Butler; Masato Koreeda. Nonempirical confirmations of the absolute configuration of (+)-.alpha.-methoxy-.alpha.-(trifluoromethyl)phenylacetic acid. J. Org. Chem. 1989, 54 (19), 4499-4503.

Widely used reagent for determination of optical purities of alcohols and amines by 1H or 19F NMR: J. Org. Chem., 34, 2453 (1969).

GHS 해저드 및 주의 설명서

해저드 설명서 (EU): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

주의 설명서: P261-P280a-P305+P351+P338-P304+P340-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

기타 참조

Merck
14,6280
바일슈타인
2215440
통합 관세 코드
2918.99
TSCA(독성물질규제법)"
No

권장

  • A14899

    (Chloromethyl)dimethylchlorosilane, 98%
  • A15519

    Lithium hydroxide monohydrate, 98%
  • A15551

    Lead(IV) acetate, 96% (dry wt.), stab. with 5-10% glacial acetic acid
  • A15765

    trans-Crotonic acid, 98%
  • B23117

    (S)-(-)-alpha-Methoxy-alpha-(trifluoromethyl)phenylacetic acid, 99%

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화학물질

화학물질

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