2-(Methylthio)-2-thiazoline
2-(Methylthio)-2-thiazoline (CAS 19975-56-5) is a heterocyclic organic compound with the chemical formula C4H7NS2. This chemical serves as a valuable building block in organic synthesis, particularly for creating novel tri- and tetracyclic hetero systems. Its utility in preparing specific compounds like 2-(2-chlorobenzylamino)-2-thiazoline further underscores its role in advanced chemical research and development.
- IUPAC
- 2-(Methylmercapto)-2-thiazoline
- Synonyms
- 2-(Methylmercapto)-2-thiazoline

Synthesis of Novel Hetero Systems
Used in reactions with heteroaromatic 2-aminoesters for the preparation of novel tri- and tetracyclic hetero systems.
Intermediate for Specific Thiazoline Derivatives
Employed in the synthesis of compounds such as 2-(2-chlorobenzylamino)-2-thiazoline.
| Molecular weight | 133.24 |
|---|---|
| Empirical formula | C4H7NS2 |
| Assay | 97% |
| Boiling point | 216-217 °C(lit.) |
| Density | 1.226 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.592(lit.) |
| Application | 2-(Methylthio)-2-thiazoline has been used in the preparation of:• novel tri- and tetracyclic hetero systems, via reaction with heteroaromatic 2-aminoesters1• 2-(2-chlorobenzylamino)-2-thiazoline2 |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 98 °C / 208.4 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
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-(Methylthio)-2-thiazoline used for?
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2-(Methylthio)-2-thiazoline is used as a building block in organic synthesis, notably for creating novel tri- and tetracyclic hetero systems and specific thiazoline derivatives.
What is the CAS number and formula for 2-(Methylthio)-2-thiazoline?
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The CAS number is 19975-56-5, and the chemical formula is C4H7NS2.
What is the purity of the 2-(Methylthio)-2-thiazoline supplied by TSS?
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Our 2-(Methylthio)-2-thiazoline is supplied at an assay of 97%.
What are the primary hazards associated with 2-(Methylthio)-2-thiazoline?
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2-(Methylthio)-2-thiazoline is classified with GHS hazard statements indicating it can cause skin irritation, serious eye irritation, and may cause respiratory irritation. Please refer to the Safety Data Sheet for full hazard information.
How is 2-(Methylthio)-2-thiazoline packed and shipped?
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This chemical is packed and shipped according to relevant regulations for hazardous materials. As a global supplier and exporter, TSS ensures compliance with all international shipping standards.
How can I request a quote for 2-(Methylthio)-2-thiazoline?
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To request a quote, please contact our sales team via the website or by phone, specifying the quantity required and your delivery location.
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