3-(5-Formyl-2-thienyl)benzoic acid
3-(5-Formyl-2-thienyl)benzoic acid (CAS: 606970-74-5, C12H8O3S) is a heterocyclic building block featuring both aldehyde and carboxylic acid functionalities. Its unique structure makes it a valuable intermediate in organic synthesis, particularly for constructing complex molecules within medicinal chemistry and materials science research. Tech Serve Solutions supplies this compound for laboratory and industrial applications, ensuring high purity for reliable experimental outcomes.
- IUPAC
- 3-(5-Formylthiophen-2-yl)benzoic acid

Organic Synthesis Intermediate
Utilised as a versatile building block in multi-step organic syntheses. The presence of both an aldehyde and a benzoic acid moiety allows for diverse chemical transformations and coupling reactions.
Medicinal Chemistry Research
A key scaffold for the development of novel pharmaceutical compounds. It can be incorporated into potential drug candidates targeting various biological pathways.
Materials Science
Serves as a precursor in the synthesis of functional organic materials, including polymers and dyes, due to its aromatic and heterocyclic nature.
| Molecular weight | 232.26 |
|---|---|
| Empirical formula | C12H8O3S |
| Assay | 97% |
| Melting point | 251-257 °C |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
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-(5-Formyl-2-thienyl)benzoic acid used for?
+
This compound is primarily used as an intermediate in organic synthesis, particularly within medicinal chemistry and materials science research for creating complex organic molecules.
What is the CAS number and chemical formula for 3-(5-Formyl-2-thienyl)benzoic acid?
+
The CAS number is 606970-74-5 and the chemical formula is C12H8O3S.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 3-(5-Formyl-2-thienyl)benzoic acid with an assay of 97%. This is a research-grade chemical and TSS does not represent it as USP, BP, or EP.
How should 3-(5-Formyl-2-thienyl)benzoic acid be handled?
+
This compound is classified as a Warning. It can cause serious eye irritation (H319). Handle with appropriate personal protective equipment, including eye protection, and ensure adequate ventilation. Avoid contact with skin and eyes. For full safety information, consult the Safety Data Sheet.
Is 3-(5-Formyl-2-thienyl)benzoic acid a controlled substance?
+
Based on the provided data, there is no indication that 3-(5-Formyl-2-thienyl)benzoic acid is a controlled substance.
How is 3-(5-Formyl-2-thienyl)benzoic acid packed and shipped?
+
Tech Serve Solutions exports chemicals globally, adhering to all necessary regulations for safe and secure packaging and transportation.
How can I request a quote or sample for 3-(5-Formyl-2-thienyl)benzoic acid?
+
To request a quote or sample, please contact the TSS sales team via the website or direct inquiry, providing the product name and CAS number.
▶ 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