2-Amino-5-bromobenzothiazole
2-Amino-5-bromobenzothiazole (CAS: 20358-03-6; Formula: C7H5BrN2S; Molar Mass: 229.10 g/mol) is a halogenated heterocyclic building block supplied by Tech Serve Solutions. This thiazole derivative is recognised for its utility in chemical synthesis, serving as a key intermediate in the development of diverse organic molecules. Its specific structure makes it valuable for introducing both the benzothiazole moiety and a bromine atom into target compounds.

Organic Synthesis Intermediate
Utilised as a versatile building block in multi-step organic syntheses. The presence of the amine and bromine functionalities allows for various coupling reactions and derivatisations.
Pharmaceutical Research
Serves as a precursor or intermediate in the research and development of novel pharmaceutical compounds. Its heterocyclic nature is often found in biologically active molecules.
Material Science
Can be employed in the synthesis of specialised materials where the benzothiazole core contributes unique electronic or optical properties.
| Molecular weight | 229.10 |
|---|---|
| Empirical formula | C7H5BrN2S |
| Assay | 97% |
| Melting point | 194-198 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
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 2-Amino-5-bromobenzothiazole used for?
+
2-Amino-5-bromobenzothiazole is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and material science due to its heterocyclic structure and reactive functional groups.
What are the CAS number and formula for 2-Amino-5-bromobenzothiazole?
+
The CAS number is 20358-03-6, and the empirical formula is C7H5BrN2S.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Amino-5-bromobenzothiazole with a minimum assay of 97%. This product is suitable for research and chemical synthesis purposes. TSS does not represent it as USP, BP, EP, or other pharmacopoeia grades.
How should 2-Amino-5-bromobenzothiazole be handled?
+
Handle 2-Amino-5-bromobenzothiazole with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, face shield, and gloves. Ensure good ventilation. It is classified as harmful if swallowed, causes skin irritation, may cause an allergic skin reaction, causes serious eye irritation, and may cause respiratory irritation.
Is 2-Amino-5-bromobenzothiazole a controlled substance?
+
The provided data does not indicate that 2-Amino-5-bromobenzothiazole is a controlled substance.
How is 2-Amino-5-bromobenzothiazole packed and exported?
+
2-Amino-5-bromobenzothiazole is carefully packed to ensure integrity during transit and is exported globally by Tech Serve Solutions, adhering to international shipping regulations for chemicals.
How can I request a sample or quote for 2-Amino-5-bromobenzothiazole?
+
To request a sample or quote for 2-Amino-5-bromobenzothiazole, please use the contact form on the Tech Serve Solutions website or reach out to our sales department directly.
▶ 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