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60018

Supelco

Caffeic acid

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

Szinonimák:

3,4-Dihydroxybenzeneacrylic acid, 3,4-Dihydroxycinnamic acid, 3-(3,4-Dihydroxyphenyl)-2-propenoic acid

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Összes fotó(1)

About This Item

Lineáris képlet:
(HO)2C6H3CH=CHCO2H
CAS-szám:
331-39-5
Molekulatömeg:
180.16
Beilstein:
1954563
EC-szám:
206-361-2
MDL-szám:
MFCD00004392
UNSPSC kód:
12000000
PubChem Substance ID:
329758737
NACRES:
NA.21

grade

matrix substance for MALDI-MS

Minőségi szint

100

Teszt

≥99.0% (HPLC)

form

powder

analit kémiai osztály(ok)

peptides, proteins

technika/technikák

MALDI-MS: suitable

szín

slightly beige

mp

211-213 °C (dec.) (lit.)

kation nyomok

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

alkalmasság

in accordance for UV test

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+

Nemzetközi kémiai azonosító kulcs

QAIPRVGONGVQAS-DUXPYHPUSA-N

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Általános leírás

Caffeic acid is an antioxidant and the major hydroxycinnamic acid present in wine. It contains a catechol group with an α,β-unsaturated carboxylic acid chain with hepatoprotective properties.

Alkalmazás

Caffeic acid may be used as an electrocatalysis mediator in voltammetric determination of cysteamine (CA) in an aqueous buffer solution.

Biokémiai/fiziológiai hatások

A natural dietary phenolic compound found in plants that is an anti-oxidant. Inhibits the synthesis of leukotrienes that are involved in immunoregulation, inflammation and allergy. Inhibits Cu2+-induced LDL oxidation.

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Piktogramok

Health hazard
GHS08

Figyelmeztetés

Warning

Figyelmeztető mondatok

H351

Óvintézkedésre vonatkozó mondatok

P280

Veszélyességi osztályok

Carc. 2

Tárolási osztály kódja

11 - Combustible Solids

WGK

WGK 3

Lobbanási pont (F)

Not applicable

Lobbanási pont (C)

Not applicable

Egyéni védőeszköz

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

Válasszon a legfrissebb verziók közül:

Analitikai tanúsítványok (COA)

Lot/Batch Number
BCCL6995
BCCG7577
BCBW7239
BCBV1027
BCBT6995

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Caffeic acid phenethyl ester ≥97% (HPLC), powder

Sigma-Aldrich

C8221

Caffeic acid phenethyl ester

2,4-Dihydroxycinnamic acid 97%

Sigma-Aldrich

663158

2,4-Dihydroxycinnamic acid

Structure-hepatoprotective activity relationship of 3, 4-dihydroxycinnamic acid (caffeic acid) derivatives.
Perez-Alvarez V, et al.
Journal of Applied Toxicology, 21(6), 527-531 (2001)
Electrocatalytic determination of cysteamine using multiwall carbon nanotube paste electrode in the presence of 3, 4-dihydroxycinnamic acid as a homogeneous mediator.
Keyvanfard M, et al.
Journal of the Brazilian Chemical Society, 24(1), 32-39 (2013)
Antioxidant activity of caffeic acid (3, 4-dihydroxycinnamic acid).
Gulcin I.
Toxicology, 217(2-3), 213-220 (2006)
Ren-Wang Jiang et al.
Current medicinal chemistry, 12(2), 237-246 (2005-01-11)
Caffeic acid (3,4-dihydroxycinnamic acid), one of the most common phenolic acids, frequently occurs in fruits, grains and dietary supplements for human consumption as simple esters with quinic acid or saccharides, and are also found in traditional Chinese herbs. Caffeic acid
Emmanoel Vilaça Costa et al.
Journal of natural products, 73(6), 1180-1183 (2010-05-19)
Phytochemical investigation of the bark of Guatteria hispida afforded three new alkaloids, 9-methoxy-O-methylmoschatoline (1), 9-methoxyisomoschatoline (2), and isocerasonine (3), along with 10 known alkaloids, 8-oxopseudopalmatine (4), O-methylmoschatoline (5), lysicamine (6), liriodenine (7), 10-methoxyliriodenine (8), nornuciferine (9), anonaine (10), xylopine (11)
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Protocols

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

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