Merck
CN

C0625

Sigma-Aldrich

咖啡酸

≥98.0% (HPLC)

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别名:
3,4-二羟基肉桂酸, 3,4-二羟基苯丙烯酸, 3-(3,4-二羟基苯基)-2-丙烯酸
线性分子式:
(HO)2C6H3CH=CHCO2H
CAS号:
分子量:
180.16
Beilstein:
1954563
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.77

质量水平

检测方案

≥98.0% (HPLC)

形式

powder

mp

211-213 °C (dec.) (lit.)

溶解性

ethanol: 50 mg/mL

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

SMILES string

OC(=O)\C=C\c1ccc(O)c(O)c1

InChI

1S/C9H8O4/c10-7-3-1-6(5-8(7)11)2-4-9(12)13/h1-5,10-11H,(H,12,13)/b4-2+

InChI key

QAIPRVGONGVQAS-DUXPYHPUSA-N

Gene Information

human ... ELA2(1991)
rat ... Alox5(25290)

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此商品
600181502965969
Caffeic acid ≥98.0% (HPLC)

Sigma-Aldrich

C0625

咖啡酸

Caffeic acid matrix substance for MALDI-MS, ≥99.0% (HPLC)

Supelco

60018

咖啡酸

Caftaric acid ≥97.0%

Sigma-Aldrich

15029

单咖啡酰酒石酸

4-O-Caffeoylquinic acid ≥98.0%

Sigma-Aldrich

65969

4-O-咖啡酰奎宁酸

form

powder

form

powder

form

powder

form

powder or crystals

solubility

ethanol: 50 mg/mL

solubility

-

solubility

-

solubility

-

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

application(s)

-

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

application(s)

metabolomics
vitamins, nutraceuticals, and natural products

mp

211-213 °C (dec.) (lit.)

mp

211-213 °C (dec.) (lit.)

mp

-

mp

-

Gene Information

human ... ELA2(1991)
rat ... Alox5(25290)

Gene Information

-

Gene Information

-

Gene Information

-

一般描述

咖啡酸以游离态和酯形式存在。它被视作主要的多酚,有助于提高各种水果中的羟基肉桂酸含量。咖啡是咖啡酸的主要来源之一。

应用

咖啡酸已在研究中用作酚酸标准品,已测定蔬菜经碱和酸水解后的总酚酸含量。它还用于通过各种测定方法测定自身抗氧化活性。

生化/生理作用

咖啡酸和其他多酚通过酶催化的甲基转移、硫酸化和葡萄糖醛酸加成代谢。其可非竞争性地阻断5-脂氧合酶作用。咖啡酸可直接在碱性条件下发生水解。
在植物中发现的抗氧化天然膳食酚类化合物。抑制在免疫调节、炎症和过敏中涉及到的白三烯的合成。也可抑制 Cu2+ 诱导的 LDL 氧化。

特点和优势

该化合物是基因调控研究的推荐产品。点击此处,了解更多精选基因调控产品。了解更多有关用于其他研究领域的生物活性小分子的信息,请访问 sigma.com/discover-bsm

象形图

Health hazard

警示用语:

Warning

危险声明

危险分类

Carc. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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