4-Amino-3-bromobenzonitrile
4-Amino-3-bromobenzonitrile (CAS 50397-74-5), with the molecular formula H2NC6H3(Br)CN and a molecular weight of 197.03 g/mol, is a valuable organic building block. This compound features a benzonitrile core substituted with an amino group and a bromine atom. It serves as a versatile intermediate in chemical synthesis, particularly in the development of complex organic molecules for research and industrial applications. Its structure makes it suitable for various coupling and functionalization reactions.

Pharmaceutical Intermediate
This compound is utilised in the synthesis of advanced pharmaceutical intermediates. Its specific functional groups allow for the construction of novel drug candidates and active pharmaceutical ingredients (APIs) within medicinal chemistry research.
Organic Synthesis Building Block
As a substituted benzonitrile, it functions as a key building block in multi-step organic syntheses. It is employed in the creation of diverse organic structures and fine chemicals for academic and industrial research purposes.
Materials Science Research
The unique structural features of 4-Amino-3-bromobenzonitrile lend themselves to exploration in materials science. It can be incorporated into the synthesis of novel polymers or functional materials with tailored electronic or optical properties.
| Molecular weight | 197.03 |
|---|---|
| Linear formula | H2NC6H3(Br)CN |
| Assay | 97% |
| Melting point | 106-110 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-43 |
| Safety statements (S) | 36/37 |
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 4-Amino-3-bromobenzonitrile used for?
+
4-Amino-3-bromobenzonitrile is primarily used as a versatile building block in organic synthesis, particularly in the development of pharmaceutical intermediates and fine chemicals for research.
What are the CAS number and molecular formula for 4-Amino-3-bromobenzonitrile?
+
The CAS number for 4-Amino-3-bromobenzonitrile is 50397-74-5, and its molecular formula is H2NC6H3(Br)CN.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Amino-3-bromobenzonitrile with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Amino-3-bromobenzonitrile be handled safely?
+
4-Amino-3-bromobenzonitrile is classified as harmful if swallowed and may cause an allergic skin reaction. Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves, should be worn when handling. Ensure adequate ventilation.
Is 4-Amino-3-bromobenzonitrile a controlled substance?
+
The provided data does not indicate that 4-Amino-3-bromobenzonitrile is a controlled substance.
How is 4-Amino-3-bromobenzonitrile packed and exported?
+
Tech Serve Solutions reliably packs and exports 4-Amino-3-bromobenzonitrile globally to meet the needs of research institutions and chemical industries worldwide.
How can I request a quote or sample for 4-Amino-3-bromobenzonitrile?
+
To request a quote or a sample of 4-Amino-3-bromobenzonitrile, please contact our sales department 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