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Merck
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Documenti

C85409

Sigma-Aldrich

Coumalic acid

97%

Sinonimo/i:

2-Oxo-2H-pyran-5-carboxylic acid, 2-Pyrone-5-carboxylic acid

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About This Item

Formula empirica (notazione di Hill):
C6H4O4
Numero CAS:
500-05-0
Peso molecolare:
140.09
Beilstein:
119747
Numero CE:
207-899-0
Numero MDL:
MFCD00006644
Codice UNSPSC:
12352100
ID PubChem:
24893071
NACRES:
NA.22

Saggio

97%

Forma fisica

powder

P. eboll.

218 °C/120 mmHg (lit.)

Punto di fusione

203-205 °C (dec.) (lit.)

Stringa SMILE

OC(=O)C1=COC(=O)C=C1

InChI

1S/C6H4O4/c7-5-2-1-4(3-10-5)6(8)9/h1-3H,(H,8,9)
ORGPJDKNYMVLFL-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Decarboxylates to α-pyrone, a Diels-Alder diene.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (COA)

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p-Coumaric acid ≥98.0% (HPLC)

Sigma-Aldrich

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p-Coumaric acid

4-Hydroxy-6-methyl-2-pyrone 98%

Sigma-Aldrich

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4-Hydroxy-6-methyl-2-pyrone

N-Methyl-2-pyridone ≥99%

Sigma-Aldrich

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N-Methyl-2-pyridone

trans-p-Coumaric acid analytical standard

Supelco

55823

trans-p-Coumaric acid

Acido caffeico ≥98.0% (HPLC)

Sigma-Aldrich

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Sigma-Aldrich

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Yongxia Li et al.
Phytopathology, 110(4), 805-812 (2020-03-03)
Poplar canker, mainly caused by Botryosphaeria species, is a serious disease that has resulted in the reduced productivity and death of poplar worldwide. Different Populus species have varied resistance levels to poplar canker; however, whether phenolic compounds in poplar are
Michio Ohi et al.
Bioscience, biotechnology, and biochemistry, 67(1), 170-173 (2003-03-07)
Some chemicals were examined for their effects on the germination of resting spores of the clubroot pathogen Plasmodiophora brassicae, and on the control of clubroots in Chinese cabbage. Caffeic acid, coumalic acid, and corilagin stimulated the germination of Plasmodiophora spores
V Günzler et al.
The Biochemical journal, 242(1), 163-169 (1987-02-15)
From the structure-activity relationships of known competitive inhibitors, coumalic acid (2-oxo-1,2H-pyran-5-carboxylic acid) was deduced to be a potential syncatalytic inhibitor for chick-embryo prolyl 4-hydroxylase. The compound caused time-dependent inactivation, the reaction rate being first-order. The inactivation constant was 0.094 min-1
A Merriweather et al.
Molecular and biochemical parasitology, 116(2), 185-197 (2001-08-28)
The cuticle of parasitic nematodes consists primarily of a network of collagen molecules. The enzyme responsible for collagen maturation is prolyl 4-hydroxylase, making this enzyme a central activity in cuticle biosynthesis and a potentially important chemotherapeutic target. Adult and embryonic
Weijun Chen et al.
International journal of food sciences and nutrition, 63(2), 236-241 (2011-09-29)
The oxidative modification of human low density lipoprotein (LDL) plays a significant role in atherosclerosis. In this study, the inhibiting activity of areca inflorescence extracts (AIEs) on LDL oxidation was investigated by an in vitro study with Trolox as the
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