2-(Methylthio)pyridine
2-(Methylthio)pyridine (CAS: 18438-38-5, C6H7NS, MW: 125.19) is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyridine derivatives and sulphur-containing compounds. Its utility is found in the development of novel molecules for various research and industrial applications.
- IUPAC
- Methyl 2-pyridyl sulfide
- Synonyms
- Methyl 2-pyridyl sulfide

Organic Synthesis Intermediate
This pyridine derivative functions as a versatile intermediate in the synthesis of more complex organic molecules. It is employed in reactions requiring a pyridine scaffold functionalized with a methylthio group.
Heterocyclic Chemistry
As a substituted pyridine, 2-(Methylthio)pyridine is a key component in heterocyclic chemistry research. It enables the construction of diverse ring systems and functionalized heterocycles.
Materials Science Research
The compound's structure may lend itself to applications in materials science, potentially in the development of organic electronic materials or ligands for coordination chemistry.
| Molecular weight | 125.19 |
|---|---|
| Empirical formula | C6H7NS |
| Assay | ≥95.0% (HPLC) |
| Density | 1.12 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.570 |

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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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-(Methylthio)pyridine used for?
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2-(Methylthio)pyridine is primarily used as a building block and intermediate in organic synthesis, particularly in heterocyclic and pyridine chemistry.
What is the CAS number and formula for 2-(Methylthio)pyridine?
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The CAS number for 2-(Methylthio)pyridine is 18438-38-5, and its molecular formula is C6H7NS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Methylthio)pyridine with an assay of ≥95.0% (HPLC). We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
How should 2-(Methylthio)pyridine be handled safely?
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2-(Methylthio)pyridine is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields and gloves, in a well-ventilated area.
Can Tech Serve Solutions export 2-(Methylthio)pyridine?
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Yes, Tech Serve Solutions specialises in the global supply and export of fine chemicals, including 2-(Methylthio)pyridine.
How can I request a sample or quote for 2-(Methylthio)pyridine?
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Please contact our sales team via the website or direct inquiry channels to request a sample or a quotation for 2-(Methylthio)pyridine.
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