5-Chloro-2-thiophenecarboxylic acid
2-Chlorothiophene-5-carboxylic acid (CAS 24065-33-6) is a chlorinated thiophene carboxylic acid used as an intermediate in pharmaceutical and agrochemical synthesis. The carboxylic acid group allows direct conversion to acid chlorides, esters, and amides, while the chlorine atom provides a site for further substitution or coupling reactions.
Thiophene derivatives are among the most common heterocyclic motifs in modern drug discovery, appearing in numerous marketed APIs across therapeutic areas.
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2-Chlorothiophene-5-carboxylic acid, also known as 5-Chloro-2-thiophenecarboxylic acid, is a pharmaceutical intermediate (off-white powder, purity ≥ 98.0%). It is supplied by Qingdao Marram Chemical Co., Ltd. for pharmaceutical, agrochemical, and fine chemical applications.
Our 2-Chlorothiophene-5-carboxylic acid is available at ≥ 98.0% purity (COA provided with every batch), appearance: off-white powder. Molecular formula: C5H3ClO2S, molecular weight: 162.58 g/mol. Custom specifications can be discussed for bulk orders.
Yes — an English SDS for 2-Chlorothiophene-5-carboxylic acid can be requested by email at chaijing@marramchem.com. We are preparing the downloadable version.
The minimum order quantity is 100 g. 2-Chlorothiophene-5-carboxylic acid is generally in stock and ships within 5–7 working days after order confirmation. Larger quantities from kilograms to metric tons can be produced at our Lanzhou manufacturing base.
Email chaijing@marramchem.com or call +86-15930139955 with your required quantity and destination. We respond within 24 hours with pricing, lead time, and shipping options (air, sea, or courier).
