Methyl 3-chlorobenzo[b]thiophene-2-carboxylate
Methyl 3-chlorobenzo[b]thiophene-2-carboxylate (CAS 21211-07-4) is a halogenated heterocyclic compound with the molecular formula C10H7ClO2S and a molecular weight of 226.68 g/mol. It serves as a valuable building block in organic synthesis, particularly for the creation of more complex benzothiophene derivatives. This compound is suitable for research and development purposes within the chemical and pharmaceutical industries.
![Methyl 3-chlorobenzo[b]thiophene-2-carboxylate (C10H7ClO2S) — chemical structure, CAS 21211-07-4; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F21211-07-4.png&w=3840&q=75)
Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of novel organic compounds. Its benzothiophene core and functional groups allow for diverse chemical transformations.
Heterocyclic Chemistry Research
A useful reagent for researchers exploring the properties and reactions of heterocyclic systems, specifically benzothiophenes and their derivatives.
Pharmaceutical Building Block
Employed in the development of potential pharmaceutical agents. Benzothiophene scaffolds are present in various bioactive molecules.
| Molecular weight | 226.68 |
|---|---|
| Empirical formula | C10H7ClO2S |
| Assay | 97% |
| Melting point | 80-84 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Methyl 3-chlorobenzo[b]thiophene-2-carboxylate used for?
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Methyl 3-chlorobenzo[b]thiophene-2-carboxylate is primarily used as a building block in organic synthesis and research within the fields of heterocyclic chemistry and pharmaceutical development.
What are the CAS number and chemical formula for Methyl 3-chlorobenzo[b]thiophene-2-carboxylate?
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The CAS number is 21211-07-4 and the chemical formula is C10H7ClO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound at an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Methyl 3-chlorobenzo[b]thiophene-2-carboxylate be handled safely?
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This compound is classified as harmful if swallowed (H302) and requires handling with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid ingestion.
Is Methyl 3-chlorobenzo[b]thiophene-2-carboxylate a controlled substance?
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Based on the provided data, there is no indication that this compound is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions adheres to stringent packaging and shipping regulations for the export of fine chemicals, ensuring safe and compliant delivery worldwide.
How can I request a sample or a quote?
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Please contact our sales team through the website to request a sample or a detailed quotation for Methyl 3-chlorobenzo[b]thiophene-2-carboxylate.
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