(4-Mercapto-2-methylphenoxy)acetic acid ethyl ester

Picture of (4-Mercapto-2-methylphenoxy)acetic acid ethyl ester

(4-Mercapto-2-methylphenoxy)acetic acid ethyl ester

Ethyl 2-(4-mercapto-2-methylphenoxy)acetate

343322-82-7

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Product Details

(4-Mercapto-2-methylphenoxy)acetic acid ethyl ester 343322-82-7 (4-Mercapto-2-methylphenoxy)acetic acid ethyl ester (CAS 343322-82-7) is a thiophenol-acetic acid ester of the mercaptomethylphenoxyacetate chemical class. This sulfur-containing intermediate is an important part of making Macitentan, which is a dual endothelin receptor antagonist for pulmonary arterial hypertension (PAH).


ApiSyn supplies (4-Mercapto-2-methylphenoxy)acetic acid ethyl ester (CAS 343322-82-7) as a pharmaceutical synthetic intermediate and impurity reference standard for the development of the Macitentan API process.

Chemical Name Ethyl 2-(4-mercapto-2-methylphenoxy)acetate
Molecular Formula C11H14O3S
Molecular Weight 226.3
CAS Number 343322-82-7