3-Methylbenzo[b]thiophene-2-carboxaldehyde
3-Methylbenzo[b]thiophene-2-carboxaldehyde (CAS: 22053-74-3), a C10H8OS compound with a molecular weight of 176.23, is a versatile heterocyclic building block. This benzothiophene derivative functions as a key intermediate in organic synthesis. Its aldehyde functional group allows for participation in numerous condensation, addition, and oxidation reactions, making it valuable in the development of complex organic molecules and novel chemical entities.
![3-Methylbenzo[b]thiophene-2-carboxaldehyde (C10H8OS) — chemical structure, CAS 22053-74-3; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F22053-74-3.png&w=3840&q=75)
Organic Synthesis Intermediate
Serves as a crucial building block in the synthesis of more complex organic molecules. Its benzothiophene core and reactive aldehyde group are leveraged in multi-step synthetic pathways.
Pharmaceutical Research
Utilised in the exploratory stages of drug discovery and development, contributing to the synthesis of potential therapeutic agents and pharmaceutical intermediates.
Material Science
Investigated for its potential incorporation into novel materials, where the benzothiophene moiety can impart specific electronic or structural properties.
Agrochemical Development
Employed in the research and synthesis of new agrochemical compounds, potentially contributing to the development of novel crop protection agents.
| Molecular weight | 176.23 |
|---|---|
| Empirical formula | C10H8OS |
| Assay | 97% |
| Melting point | 87-91 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 36/37/39 |
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 3-Methylbenzo[b]thiophene-2-carboxaldehyde used for?
+
3-Methylbenzo[b]thiophene-2-carboxaldehyde is primarily used as an intermediate and building block in organic synthesis, particularly in pharmaceutical research and the development of novel chemical entities.
What are the CAS number and formula for 3-Methylbenzo[b]thiophene-2-carboxaldehyde?
+
The CAS number is 22053-74-3 and the empirical formula is C10H8OS.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-Methylbenzo[b]thiophene-2-carboxaldehyde with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-Methylbenzo[b]thiophene-2-carboxaldehyde be handled?
+
This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate PPE, including a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. Always consult the Safety Data Sheet (SDS) before use.
Can Tech Serve Solutions export 3-Methylbenzo[b]thiophene-2-carboxaldehyde?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 3-Methylbenzo[b]thiophene-2-carboxaldehyde.
How can I request a sample or quote for 3-Methylbenzo[b]thiophene-2-carboxaldehyde?
+
Please contact our sales department via the website or direct email to request a sample or obtain a quotation for 3-Methylbenzo[b]thiophene-2-carboxaldehyde.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis