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Merck

60018

Supelco

咖啡酸

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

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

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About This Item

线性分子式:
(HO)2C6H3CH=CHCO2H
CAS号:
分子量:
180.16
Beilstein:
1954563
EC號碼:
MDL號碼:
分類程式碼代碼:
12000000
PubChem物質ID:
NACRES:
NA.21

等級

matrix substance for MALDI-MS

品質等級

化驗

≥99.0% (HPLC)

形狀

powder

分析物化學類別

peptides, proteins

技術

MALDI-MS: suitable

顏色

slightly beige

mp

211-213 °C (dec.) (lit.)

正離子痕跡

Ba: ≤5 mg/kg
Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤20 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤20 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

適合性

in accordance for UV test

SMILES 字串

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 密鑰

QAIPRVGONGVQAS-DUXPYHPUSA-N

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一般說明

咖啡酸是一种抗氧化剂,也是葡萄酒中主要的羟基肉桂酸。它含有具有 α,β不饱和羧酸链的邻苯二酚基团,具有保肝作用。

應用

咖啡酸可以用作伏安法测定缓冲水溶液中半胱胺(CA)的电催化介体。

生化/生理作用

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。

相關產品

产品编号
说明
价格

象形圖

Health hazard

訊號詞

Warning

危險聲明

防範說明

危險分類

Carc. 2

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

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


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实验方案

HPLC Analysis of Polyphenols in Nero d'Avola Red Wine on Discovery® HS C18 (UV 280 nm)

Protocol for HPLC Analysis of Flavonoids on Ascentis® RP-Amide

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