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Merck
CN

06711

Sigma-Aldrich

D-(−)-柠苹酸

≥95.0% (GC)

别名:

(R)-2-羟基-2-甲基琥珀酸, D-(−)-2-甲基苹果酸

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About This Item

经验公式(希尔记法):
C5H8O5 · xLi+
CAS号:
分子量:
148.11 (free acid basis)
Beilstein:
1723818
UNSPSC代码:
12352204
NACRES:
NA.32

质量水平

方案

≥95.0% (GC)
4-9% (Lithium, ICP)

表单

powder or crystals

旋光性

[α]/D -19.0±2.0°, c = 0.5 in 1 M HCl

储存温度

2-8°C

SMILES字符串

C[C@@](O)(CC(O)=O)C(O)=O
C[C@@](O)(CC(O)=O)C(O)=O

InChI

1S/C5H8O5/c1-5(10,4(8)9)2-3(6)7/h10H,2H2,1H3,(H,6,7)(H,8,9)/t5-/m1/s1

InChI key

XFTRTWQBIOMVPK-RXMQYKEDSA-N

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生化/生理作用

柠苹酸是一种生化中间体,已知参与细菌代谢的多个方面,其中包括通过破伤风梭菌的甲基天冬氨酸途径进行谷氨酸的厌氧代谢。

包装

无底玻璃瓶。内含物装在插入的融合锥内。

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)

Lot/Batch Number

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I du Preez et al.
Tuberculosis (Edinburgh, Scotland), 93(3), 330-337 (2013-03-13)
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Ilana Chefetz et al.
Cell reports, 26(11), 3061-3075 (2019-03-14)
Ovarian cancer is typified by the development of chemotherapy resistance. Chemotherapy resistance is associated with high aldehyde dehydrogenase (ALDH) enzymatic activity, increased cancer "stemness," and expression of the stem cell marker CD133. As such, ALDH activity has been proposed as a
W Buckel et al.
Journal of bacteriology, 117(3), 1248-1260 (1974-03-01)
Two pathways are involved in the fermentation of glutamate to acetate, butyrate, carbon dioxide, and ammonia-the methylaspartate and the hydroxyglutarate pathways which are used by Clostridium tetanomorphum and Peptococcus aerogenes, respectively. Although these pathways give rise to the same products
Hai Xu et al.
Journal of bacteriology, 186(16), 5400-5409 (2004-08-05)
Three leuA-like protein-coding sequences were identified in Leptospira interrogans. One of these, the cimA gene, was shown to encode citramalate synthase (EC 4.1.3.-). The other two encoded alpha-isopropylmalate synthase (EC 4.1.3.12). Expressed in Escherichia coli, the citramalate synthase was purified
D M Howell et al.
Journal of bacteriology, 181(1), 331-333 (1998-12-29)
The Methanococcus jannaschii gene MJ1392 was cloned, and its protein product was hyperexpressed in Escherichia coli. The resulting protein was purified and shown to catalyze the condensation of pyruvate and acetyl coenzyme A, with the formation of (R)-citramalate. Thus, this

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