5-acetyl-3-methyl-2-Thiophenecarboxylic acid

It serves as a key building block to construct the thiophene core of the molecule, which is later coupled to form the final active ingredient used for treating Demodex infestation. 5-acetyl-3-methyl-2-thiophenecarboxylic acid (often used in its ester form, methyl 5-acetyl-3-methylthiophene-2-carboxylate, is a critical pharmaceutical intermediate employed to synthesize the ectoparasiticide Lotilaner.

API Name Lotilaner
CAS No 2758907-91-2
Molecular Formula C8H8O3S
Molecular Weight 184.21 g/mol
Synonyms 5-acetyl-3-methylthiophene-2-carboxylic acid

Frequently Asked Questions