C85409
Coumalic acid
97%
Synonym(s):
2-Oxo-2H-pyran-5-carboxylic acid, 2-Pyrone-5-carboxylic acid
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About This Item
Empirical Formula (Hill Notation):
C6H4O4
CAS Number:
Molecular Weight:
140.09
Beilstein:
119747
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
97%
form
powder
bp
218 °C/120 mmHg (lit.)
mp
203-205 °C (dec.) (lit.)
SMILES string
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)
InChI key
ORGPJDKNYMVLFL-UHFFFAOYSA-N
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General description
Decarboxylates to α-pyrone, a Diels-Alder diene.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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
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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
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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
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