2-Bromo-5-methyl-1,3,4-thiadiazole
2-Bromo-5-methyl-1,3,4-thiadiazole (CAS 54044-79-0) is a heterocyclic organic compound with the molecular formula C3H3N2BrS and a molecular weight of 179.04 g/mol. This bromine-substituted thiadiazole derivative serves as a valuable building block in synthetic organic chemistry. Its structure lends itself to further functionalization, making it a key intermediate for the development of novel compounds in various research and development sectors.
- Synonyms
- 54044-79-0, C3H3N2BrS

Organic Synthesis Intermediate
2-Bromo-5-methyl-1,3,4-thiadiazole is widely employed as an intermediate in the synthesis of complex organic molecules. Its reactive bromine atom allows for diverse coupling reactions and nucleophilic substitutions.
Pharmaceutical Research
This compound is utilised in medicinal chemistry research for the development of potential new drug candidates. The thiadiazole scaffold is present in various biologically active molecules.
Agrochemical Development
The thiadiazole moiety is a common feature in agrochemicals, and this bromo-derivative can be a starting point for the synthesis of novel pesticides or herbicides.
Materials Science
Heterocyclic compounds like 2-Bromo-5-methyl-1,3,4-thiadiazole can be explored as components in the design of new functional materials due to their electronic and structural properties.
| Molecular weight | 179.04 |
|---|---|
| Empirical formula | C3H3N2BrS |
| Assay | 97% |
| Melting point | 105-110 °C |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 2-Bromo-5-methyl-1,3,4-thiadiazole used for?
+
2-Bromo-5-methyl-1,3,4-thiadiazole is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical and agrochemical research and development.
What is the CAS number and molecular formula for 2-Bromo-5-methyl-1,3,4-thiadiazole?
+
The CAS number is 54044-79-0, and the molecular formula is C3H3N2BrS.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Bromo-5-methyl-1,3,4-thiadiazole with an assay of 97%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 2-Bromo-5-methyl-1,3,4-thiadiazole be handled?
+
This compound is a Warning substance. It is harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, ensuring good ventilation. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/eye protection/face protection. If in eyes, rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Is 2-Bromo-5-methyl-1,3,4-thiadiazole a controlled substance?
+
The provided data does not indicate that 2-Bromo-5-methyl-1,3,4-thiadiazole is a controlled substance.
How is 2-Bromo-5-methyl-1,3,4-thiadiazole packed, shipped, and exported?
+
Tech Serve Solutions professionally packs, ships, and exports fine chemicals globally, adhering to all necessary regulations for safe and secure transit.
How can I request a sample or quote for 2-Bromo-5-methyl-1,3,4-thiadiazole?
+
To request a sample or quote, please contact our sales team directly through the website or by calling our office, 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