2-Methyl-3-thiosemicarbazide
2-Methyl-3-thiosemicarbazide (CAS 6938-68-7) is a chemical compound with the linear formula H₂NCSN(CH₃)NH₂ and a molecular weight of 105.16 g/mol. This organic building block is a sulphur and thiocarbonyl compound. It serves as a valuable intermediate in organic synthesis and chemical research. Supplied by Tech Serve Solutions, it is available at a purity of 97%.

Organic Synthesis Intermediate
2-Methyl-3-thiosemicarbazide is utilised as a building block in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations.
Chemical Research Reagent
This compound is employed in academic and industrial research laboratories. It can be used in the development of novel chemical entities and reaction pathways.
Preparation of Heterocycles
The structure of 2-Methyl-3-thiosemicarbazide makes it a precursor for synthesising various heterocyclic compounds, which are important in medicinal chemistry.
| Molecular weight | 105.16 |
|---|---|
| Linear formula | H2NCSN(CH3)NH2 |
| Assay | 97% |
| Melting point | 173-175 °C(lit.) |

Hazard statements
- 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, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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-Methyl-3-thiosemicarbazide used for?
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2-Methyl-3-thiosemicarbazide is primarily used as an intermediate in organic synthesis and as a reagent in chemical research, including the preparation of heterocyclic compounds.
What is the CAS number and formula for 2-Methyl-3-thiosemicarbazide?
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The CAS number is 6938-68-7 and the linear formula is H₂NCSN(CH₃)NH₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-3-thiosemicarbazide with an assay of 97%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP.
What are the safety and handling recommendations for 2-Methyl-3-thiosemicarbazide?
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This compound is a warning substance (GHS07) and is classified with hazard statements H315, H319, and H335. It may cause skin irritation, serious eye irritation, and respiratory irritation. Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area.
How is 2-Methyl-3-thiosemicarbazide packed and shipped?
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Tech Serve Solutions expertly packs and ships fine chemicals globally. Specific packing configurations are available upon request.
How can I request a quote or sample?
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To request a quote or a sample of 2-Methyl-3-thiosemicarbazide, please contact our sales team through the website or by phone.
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