کافئیک اسید کد 60018 سیگما آلدریچ

Caffeic acid
matrix substance for MALDI-MS, ≥99.0% (HPLC)
Synonym: 3,4-Dihydroxybenzeneacrylic acid, 3,4-Dihydroxycinnamic acid, 3-(3,4-Dihydroxyphenyl)-2-propenoic acid
 

 

Properties

Related Categories	Analytical Reagents, Analytical/Chromatography, Mass Spectrometry, Mass Spectrometry (MS), Matrices for MALDI Analysis, Plus...
Quality Level	100
grade	matrix substance for MALDI-MS
assay	≥99.0% (HPLC)
form	powder
analyte chemical class(es)	peptides, proteins
application(s)	MALDI-MS: suitable
color	slightly beige
mp	211-213 °C (dec.) (lit.)
cation traces	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: ≤5 mg/kg
	Pb: ≤5 mg/kg
	Zn: ≤5 mg/kg
suitability	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+
InChI key	QAIPRVGONGVQAS-DUXPYHPUSA-N