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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 280564Generated: October 29, 2026

5-Chloro-3-methylthiophene-2-carboxylic acid → 5-Chloro-4-methylthiophene-2-carboxylic acid

https://huagongshe.com/reaction/280564

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chloro-3-methylthiophene-2-carboxylic acidHCID 13376220—
ReactantMethanol--water (1/1)HCID 22242641—
Product5-Chloro-4-methylthiophene-2-carboxylic acidHCID 12605957—

Reaction Steps

5-Chloro-3-methyl-thiophene-2-carboxylic acid, melting point (methanol/H2O) 149°-152° C. (90%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04590203
Source datasetuspto-grants-1986_05
ORD IDord-00b51d8d8b774f99bae4bf1df873f914
Source noteuspto-grants-1986_05