2-(Methylthio)pyridine-3-carboxylic acid
2-(Methylthio)pyridine-3-carboxylic acid (CAS: 74470-23-8), with the molecular formula C7H7NO2S and a molecular weight of 169.20 g/mol, is a key heterocyclic building block. This compound, also known as 2-(methylthio)nicotinic acid, is primarily utilised in chemical synthesis. Its structure makes it valuable for the development of new molecules in research and industrial applications. Tech Serve Solutions supplies this chemical for laboratory and manufacturing purposes.
- IUPAC
- 2-(Methylthio)nicotinic acid
- Synonyms
- 2-(Methylthio)nicotinic acid

Organic Synthesis Intermediate
Serves as a versatile building block in the construction of more complex organic molecules. Its pyridine ring and methylthio group offer specific reactivity for targeted synthetic pathways.
Pharmaceutical Research
Used in medicinal chemistry research for the synthesis of novel drug candidates. The pyridine scaffold is present in many biologically active compounds.
Materials Science
Potentially applicable in the development of new materials due to its unique structural features and heteroatoms. Further research may explore its use in polymers or functional materials.
| Molecular weight | 169.20 |
|---|---|
| Empirical formula | C7H7NO2S |
| Assay | 98% |
| Melting point | 215-217 °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) | 26-36 |
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-3-carboxylic acid used for?
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2-(Methylthio)pyridine-3-carboxylic acid (CAS: 74470-23-8) is primarily used as a building block in organic synthesis and in pharmaceutical research for the development of new chemical entities.
What are the CAS number and molecular formula for 2-(Methylthio)pyridine-3-carboxylic acid?
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The CAS number for 2-(Methylthio)pyridine-3-carboxylic acid is 74470-23-8, and its molecular formula is C7H7NO2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Methylthio)pyridine-3-carboxylic acid with an assay of 98%. This product is intended for research and industrial use and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 2-(Methylthio)pyridine-3-carboxylic acid be handled?
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Handle with appropriate personal protective equipment, including a dust mask (N95 recommended), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information. Hazards include skin irritation (H315), eye irritation (H319), and respiratory irritation (H335).
Is 2-(Methylthio)pyridine-3-carboxylic acid a controlled substance?
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Based on the provided data, 2-(Methylthio)pyridine-3-carboxylic acid is not indicated as a controlled or scheduled substance.
How can I request a sample or a quote for 2-(Methylthio)pyridine-3-carboxylic acid?
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To request a sample or a quote for 2-(Methylthio)pyridine-3-carboxylic acid, please contact our sales department via the website or email, specifying the quantity required.
Is this chemical exported globally by TSS?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-(Methylthio)pyridine-3-carboxylic acid, serving customers worldwide.
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