5-Bromo-1-methyl-1H-1,2,4-triazole
5-Bromo-1-methyl-1H-1,2,4-triazole (CAS 16681-72-4) is a halogenated heterocyclic compound with a molecular weight of 161.99 g/mol. This versatile building block is primarily utilised in chemical synthesis, particularly for constructing more complex molecules within organic chemistry research and development. Its structure, featuring a bromo-substituted triazole ring, makes it a valuable intermediate for introducing specific functionalities into target compounds.
- Synonyms
- 16681-72-4C3H4BrN3

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of novel organic compounds. The presence of the bromine atom allows for various coupling and substitution reactions, facilitating the creation of diverse molecular architectures.
Heterocyclic Chemistry
Essential for researchers working with heterocyclic systems, particularly those involving the 1,2,4-triazole core. It enables the modification and functionalisation of this important class of compounds.
Pharmaceutical Research
A valuable reagent in medicinal chemistry for the development of potential drug candidates. The triazole moiety is a common feature in many biologically active molecules.
| Molecular weight | 161.99 |
|---|---|
| Empirical formula | C3H4BrN3 |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 5-Bromo-1-methyl-1H-1,2,4-triazole used for?
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5-Bromo-1-methyl-1H-1,2,4-triazole is used as a building block and intermediate in organic synthesis, particularly in heterocyclic and pharmaceutical research.
What is the CAS number and molecular formula for 5-Bromo-1-methyl-1H-1,2,4-triazole?
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The CAS number is 16681-72-4 and the empirical formula is C3H4BrN3.
What grade and purity does Tech Serve Solutions supply for 5-Bromo-1-methyl-1H-1,2,4-triazole?
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Tech Serve Solutions supplies this compound for research and chemical synthesis purposes. The specific assay and purity details are available on the product's Certificate of Analysis. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
How should 5-Bromo-1-methyl-1H-1,2,4-triazole be handled safely?
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This compound is classified as harmful if swallowed (H302) and carries a Warning signal word. Handle with appropriate personal protective equipment (gloves, eye protection) in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for comprehensive handling and safety information.
Does TSS export 5-Bromo-1-methyl-1H-1,2,4-triazole?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 5-Bromo-1-methyl-1H-1,2,4-triazole, serving customers worldwide.
How can I request a quote or sample for 5-Bromo-1-methyl-1H-1,2,4-triazole?
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Please use the 'Request a Quote' or 'Request a Sample' buttons on our website, or contact our sales team directly with your requirements.
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