2-Amino-5-(4-methylphenyl)-1,3,4-thiadiazole
2-Amino-5-(4-methylphenyl)-1,3,4-thiadiazole (CAS: 26907-54-0) is a heterocyclic organic compound with the molecular formula C9H9N3S and a molecular weight of 191.25 g/mol. As a substituted thiadiazole derivative, it serves as a valuable building block in chemical synthesis. It is primarily used in research and development settings for the creation of novel chemical entities and complex molecular structures.
- IUPAC
- 2-Amino-5-(p-tolyl)-1,3,4-thiadiazole,5-(p-Tolyl)-1,3,4-thiadiazol-2-amine
- Synonyms
- 26907-54-02-Amino-5-(p-tolyl)-1,3,4-thiadiazole5-(p-Tolyl)-1,3,4-thiadiazol-2-amineC9H9N3S

Heterocyclic Synthesis
This compound functions as a key intermediate in the synthesis of more complex heterocyclic systems. Its structure offers reactive sites suitable for further chemical modifications.
Organic Chemistry Research
Utilised as a building block in academic and industrial research laboratories for exploring new synthetic pathways and developing novel organic compounds.
Medicinal Chemistry Scaffolds
The 1,3,4-thiadiazole core is present in various biologically active molecules, making this compound a potential starting material for drug discovery research.
| Molecular weight | 191.25 |
|---|---|
| Empirical formula | C9H9N3S |
| Assay | 97% |
| Melting point | 218-222 °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
| 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 |
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-(4-methylphenyl)-1,3,4-thiadiazole used for?
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2-Amino-5-(4-methylphenyl)-1,3,4-thiadiazole is primarily used as a building block in organic synthesis and research for creating novel chemical entities and heterocyclic systems.
What are the CAS number and molecular formula for this compound?
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The CAS number is 26907-54-0, and the molecular formula is C9H9N3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 97%. It is suitable for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-Amino-5-(4-methylphenyl)-1,3,4-thiadiazole be handled safely?
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This compound is classified as harmful if swallowed and causes skin and eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment including a dust mask (N95), eye shields, face shield, and gloves. Ensure adequate ventilation. Refer to the Safety Data Sheet (SDS) for full details.
Is this chemical a controlled substance?
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Based on the provided data, there is no indication that 2-Amino-5-(4-methylphenyl)-1,3,4-thiadiazole is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals. Specific packaging, shipping, and export details can be provided upon request, adhering to all relevant international regulations.
How can I request a quote or sample?
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To request a quote or a sample of 2-Amino-5-(4-methylphenyl)-1,3,4-thiadiazole, please contact our sales team through our website or by phone, providing your requirements.
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