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Merck
CN

E45260

Sigma-Aldrich

伍德沃德试剂 K

95%

别名:

2-乙基-5-苯基异噁唑-3′-磺酸盐, NEPIS

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About This Item

经验公式(希尔记法):
C11H11NO4S
CAS号:
分子量:
253.27
Beilstein:
4149224
EC 号:
MDL编号:
UNSPSC代码:
12352005
PubChem化学物质编号:
NACRES:
NA.22

方案

95%

反应适用性

reaction type: Coupling Reactions

mp

220 °C (dec.) (lit.)

应用

peptide synthesis

SMILES字符串

CC[n+]1ccc(o1)-c2cccc(c2)S([O-])(=O)=O

InChI

1S/C11H11NO4S/c1-2-12-7-6-11(16-12)9-4-3-5-10(8-9)17(13,14)15/h3-8H,2H2,1H3

InChI key

MWOOKDULMBMMPN-UHFFFAOYSA-N

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

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C T Chang et al.
Biochemistry and molecular biology international, 45(2), 371-380 (1998-07-25)
beta-N-Acetylhexosaminidase was purified from the extract of cabbage by sequential steps of ammonium sulfate fractionation, chromatofocusing, DEAE-Sepharose CL-6B ion exchange chromatography and Sephacryl S-200 HR gel filtration. By these steps, the purity of the enzyme increased by 256 fold with
R N Puri et al.
Analytical biochemistry, 240(2), 251-261 (1996-09-05)
The chemical reaction of N-ethyl-5-phenylisooxazolium-3'-sulfonate (Woodward's Reagent-K, WR-K) with a carboxyl group yields an enol ester that cannot be reduced by sodium borohydride in an aqueous solution, while other nucleophiles such as sulfhydryl, hydroxyl, amino, and imidazole groups, react with
Soumya SinhaRoy et al.
Molecular and cellular biochemistry, 271(1-2), 167-176 (2005-05-11)
We had previously shown that creatine exerted a protective effect against inhibition of cardiac mitochondrial respiration by methylglyoxal (SinhaRoy S, Biswas S, Ray M, Ray S. Biochem J 372: 661-669,2003). In the present study, we have investigated the mechanism of
Hans A Kosters et al.
Analytical chemistry, 75(10), 2512-2516 (2003-08-16)
A number of relevant properties of Woodward's reagent K have been determined, such as the stability of the reactant and the optimal reaction conditions of the reactant with protein carboxylates. A Woodward's reagent K stock solution was stable at 4
S R Rao et al.
Indian journal of biochemistry & biophysics, 34(3), 253-258 (1997-06-01)
Maize leaf NADP-malic enzyme was rapidly inactivated by micromolar concentrations of Woodward's reagent K (WRK). The inactivation followed pseudo-first order reaction kinetics. The order of reaction with respect to WRK was 1, suggesting that inactivation was a consequence of the

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