1-Benzocyclobutenecarboxylic acid
1-Benzocyclobutenecarboxylic acid (CAS: 14381-41-0, Formula: C9H8O2) is a valuable organic building block with a molecular weight of 148.16 g/mol. This compound is primarily utilised in chemical synthesis as a versatile intermediate. Its structure, featuring a benzocyclobutene core fused with a carboxylic acid group, makes it suitable for further functionalization in the development of complex organic molecules for research and industrial applications. It is supplied by TSS with an assay of 99%.

Organic Synthesis Intermediate
1-Benzocyclobutenecarboxylic acid serves as a key intermediate in the synthesis of complex organic molecules. Its reactive carboxylic acid group and fused ring system allow for diverse chemical transformations, making it useful in medicinal chemistry and materials science research.
Research and Development
This compound is employed in R&D laboratories for exploring novel synthetic pathways and developing new chemical entities. It provides a unique structural motif for building-block approaches in the discovery of new pharmaceuticals and fine chemicals.
Fine Chemical Manufacturing
As a fine chemical, 1-Benzocyclobutenecarboxylic acid is used in the manufacturing processes of various specialised chemical products. It contributes to the creation of diverse compounds for advanced applications where specific molecular architectures are required.
| Molecular weight | 148.16 |
|---|---|
| Empirical formula | C9H8O2 |
| Assay | 99% |
| Melting point | 75-77 °C(lit.) |

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) | 26-37/39 |
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 1-Benzocyclobutenecarboxylic acid used for?
+
1-Benzocyclobutenecarboxylic acid is primarily used as an intermediate in organic synthesis and in research and development for creating complex organic molecules and exploring new chemical entities.
What is the CAS number and chemical formula for 1-Benzocyclobutenecarboxylic acid?
+
The CAS number for 1-Benzocyclobutenecarboxylic acid is 14381-41-0, and its chemical formula is C9H8O2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 1-Benzocyclobutenecarboxylic acid with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 1-Benzocyclobutenecarboxylic acid be handled safely?
+
Handling requires a dust mask type N95 (US), eyeshields, and gloves. It is classified as causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Ensure adequate ventilation.
Is 1-Benzocyclobutenecarboxylic acid available for export?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Benzocyclobutenecarboxylic acid.
How can I request a quote or sample?
+
To request a quote or sample of 1-Benzocyclobutenecarboxylic acid, please contact our sales team through the website or by phone.
▶ 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