1H-Benzo[g]indole
1H-Benzo[g]indole (CAS: 233-34-1, C12H9N) is a fused indole building block with a molecular weight of 167.21 g/mol. It serves as a valuable starting material in indole chemistry and broader heterocyclic synthesis. Available at a purity of 97%, this compound is a key intermediate for researchers and chemical manufacturers involved in the development of novel organic molecules and materials.
- IUPAC
- 1H-Benz[g]indole,6,7-Benzindole,NSC 153687
- Synonyms
- 6,7-Benzindole
![1H-Benzo[g]indole (C12H9N) — chemical structure, CAS 233-34-1; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F233-34-1.png&w=3840&q=75)
Indole Chemistry
1H-Benzo[g]indole is a useful fused indole derivative, acting as a starting material for the synthesis of more complex indole-based structures. Its unique ring system allows for diverse chemical modifications.
Heterocyclic Building Block
This compound functions as a fundamental building block in the synthesis of various heterocyclic compounds. Its structure is amenable to functionalization, enabling the creation of novel molecular architectures.
Chemical Synthesis
It is employed as a versatile intermediate in organic synthesis. Researchers can utilise 1H-Benzo[g]indole to construct target molecules for applications in medicinal chemistry and materials science.
| Molecular weight | 167.21 |
|---|---|
| Empirical formula | C12H9N |
| Assay | 97% |
| Application | Useful fused indole as a starter in indole chemistry.2 |
| Melting point | 180-184 °C |


Hazard statements
- H301Toxic if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-41 |
| Safety statements (S) | 26 |
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 1H-Benzo[g]indole used for?
+
1H-Benzo[g]indole is primarily used as a starter in indole chemistry and as a building block for chemical synthesis, particularly in the field of heterocyclic compounds.
What is the CAS number and molecular formula for 1H-Benzo[g]indole?
+
The CAS number for 1H-Benzo[g]indole is 233-34-1, and its molecular formula is C12H9N.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 1H-Benzo[g]indole with a minimum assay of 97%. This product is not classified as USP, BP, or EP grade.
How should 1H-Benzo[g]indole be handled safely?
+
1H-Benzo[g]indole is classified as a Danger hazard. It is harmful if swallowed and causes serious eye damage. Handling requires a dust mask (type N95 US), eyeshields, face shields, and gloves. Consult the Safety Data Sheet for full handling instructions.
Is 1H-Benzo[g]indole packed and shipped internationally?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. 1H-Benzo[g]indole is available for export and is shipped according to international regulations, including UN 2811.
How can I request a quote or sample?
+
To request a quote or a sample of 1H-Benzo[g]indole, please contact our sales team through the website or by calling our office. We will be pleased to assist you.
▶ 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