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Merck
CN

65361

(R)-(+)-α-甲氧基-α-三氟甲基苯乙酸

derivatization grade (chiral), LiChropur, ≥99.0%

别名:

(+)-MTPA, Mosher 酸

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关于此项目

线性分子式:
C6H5C(OCH3)(CF3)CO2H
化学文摘社编号:
分子量:
234.17
UNSPSC Code:
41115716
NACRES:
NA.22
PubChem Substance ID:
EC Number:
243-829-5
Beilstein/REAXYS Number:
3591560
MDL number:
Assay:
≥99.0% (T), ≥99.0%
Form:
solid
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InChI key

JJYKJUXBWFATTE-SECBINFHSA-N

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

SMILES string

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

grade

derivatization grade (chiral)

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

Quality Level

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General description

Mosher 酸性氯化物通常用作手性衍生剂。它易于获得的对映体纯形式。它可以与醇类和胺类形成非对映异构体。

Application

Mosher酰氯可用作β芳基乙胺、对映体醇和对映体胺的衍生化试剂。它还可用作NMR法测定醇和胺的对映体纯度和绝对构型的试剂。

Packaging

无底玻璃瓶。内含物装在插入的融合锥内。

Other Notes

探索最适于 HPLCLC-MS 分析的 LiChropur 试剂

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

存储类别

11 - Combustible Solids

wgk

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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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A new chiral reagent for the determination of nantiomeric purity and absolute configuration of certain substituted -arylethylamines.
L R Pohl et al.
Journal of medicinal chemistry, 16(5), 475-479 (1973-05-01)
J Gal
Journal of pharmaceutical sciences, 66(2), 169-172 (1977-02-01)
Amphetamine and eight related compounds were reacted with the chiral acylating reagent (-)-alpha-methoxy-alpha-(trifluoromethyl)phenylacetyl chloride to obtain, in each case, two diastereomeric amide derivatives. GLC conditions were found for the separation of the diastereomers in seven of the nine cases studied.
Michael North
Principles and Applications of Stereochemistry, 112-112 (1998)
N. Kalyanam et al.
Tetrahedron Letters, 415-415 (1979)
D.R. Knapp
Handbook of Analytical Derivatization Reactions, 411-411 (1979)

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