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Coumalic acid

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Origin: China

Cas No: 500-05-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 500-05-0 Formula: C6H4O4 Molecular Weight: 140.09400

Description

Coumalic acid is a compound hypothesized to be a potential syncatalytic inhibitor for prolyl 4-hydroxylase (chick embryo). Coumalic acid is also a known phytotoxin and has exhibited highly toxic side effects when rats and mice were exposed to it.

Basic Info

Chemical Name	Coumalic acid
Synonyms	2-Pyrone-5-carboxylic acid,2-Oxo-2H-pyran-5-carboxylic acid; 6-oxopyran-3-carboxylic acid; α-Pyrone-5-carboxylic Acid; Coumalic Acid; 2H-Pyran-5-carboxylic acid, 2-oxo-; Cumalic Acid;
CAS No.	500-05-0
Molecular Formula	C6H4O4
Molecular Weight	140.09400
PSA	67.51000
LogP	0.33800

Properties

Appearance & Physical State	Tan powder.
Density	1.542g/cm3
Boiling Point	218ºC (120 mmHg)
Melting Point	203-205ºC (dec.)
Flash Point	137.3ºC
Stability	Stable under normal temperatures and pressures.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Safety Info

Safety Statements	S22-S24/25
WGK Germany	3
Hazard Codes	Xi

Synthesis Route

dl-Hydroxybutanedioic acid→Coumalic acid
(S)-malic acid+Sulfuric acid→Coumalic acid
dimethyl 4-(methoxymethylidene)pent-2-enedioate+hydrogen bromide→Coumalic acid

Precursor

Sulfuric acid
dl-Hydroxybutanedioic acid
(S)-malic acid
dimethyl 4-(methoxymethylidene)pent-2-enedioate

Downstream Product

6-oxo-tetrahydro-pyran-3-carboxylic acid
4-(PHENOXYMETHYL)BENZENECARBOXYLIC ACID
2-methylglutaric acid
4-octylbenzoic acid

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