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65369

(S)-(-)-α-甲氧基-α-三氟甲基苯乙酸

Name: (<I>S</I>)-(-)-α-甲氧基-α-三氟甲基苯乙酸
Brand: SIAL

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

别名:

(-)-MTPA, Mosher 酸

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关于此项目

经验公式（希尔记法）:

C₁₀H₉F₃O₃

化学文摘社编号:

17257-71-5

分子量:

234.17

UNSPSC Code:

12352200

NACRES:

NA.22

PubChem Substance ID:

329760059

EC Number:

241-292-1

Beilstein/REAXYS Number:

4684048

MDL number:

MFCD00064200

Assay:

≥99.0% (T), ≥99.0%

Form:

solid

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属性

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

bp

90 °C/0.1 mmHg

mp

46-49 °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-/m0/s1

InChI key

JJYKJUXBWFATTE-VIFPVBQESA-N

说明

Application

Determination of absolute configuration of stereogenic carbinol carbons; doi:10.1038/nprot.2007.354

Other Notes

Discover LiChropur reagents ideal for HPLC or LC-MS analysis

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

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wgk

WGK 3

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

存储类别

11 - Combustible Solids

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

法规信息

新产品

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

BCBL8346V

BCCK6427

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Stereochemical assignment of naturally occurring 2,3-epoxy-2-methylbutanoate esters.

J Martín Torres-Valencia et al.

Phytochemical analysis : PCA, 13(6), 329-332 (2002-12-24)

A method to determine the absolute configuration of 2,3-epoxy-2-methylbutanoate ester residues in natural products is presented, based on (i) the reduction of the ester function to yield a 2-methyl-1,2-butanediol, (ii) esterification of the obtained primary alcohol with either (R)-(+)- or

New chiral selectors: design and synthesis of 6-TBDMS-2,3-methyl beta-cyclodextrin 2-2' thioureido dimer and 6-TBDMS-2,3-methyl (or 2-methyl-3-acetyl) beta-cyclodextrin bearing an (R) Mosher acid moiety.

Giancarlo Cravotto et al.

Chirality, 16(8), 526-533 (2004-08-04)

Cyclodextrin (CD) derivatives are important selectors for analytical chiral recognition. Their enantioselectivities and chemical properties depend on ring size and on nature, number and location of substituents. This paper describes the synthesis of 6-O-TBDMS-2,3-O-methyl beta-cyclodextrins bearing in position 2 either

Assignment of the structure of petrocortyne A by mixture syntheses of four candidate stereoisomers.

Bin Sui et al.

The Journal of organic chemistry, 75(9), 2942-2954 (2010-04-17)

Two different mixture synthesis routes have been used to make the four stereoisomers of petrocortyne A. A first quick and dirty route provided a mixture of the four isomers in nonselective fashion. Mosher and 2-naphthylmethoxyacetic acid (NMA) ester methods were

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货号	GTIN
65369-250MG-F	04061833278000