C5H5NS
111.17 g/mol
Research ReagentWarning
2-Mercaptopyridine
CAS2637-34-5EC220-131-9
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
2-Mercaptopyridine is an organosulfur compound that exists as a yellow crystalline solid. It is a derivative of pyridine and is primarily used as a research reagent and acylating agent.
Research reagentAcylating agent
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Mercaptopyridine (CAS 2637-34-5) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1H-pyridine-2-thione
InChIKey
WHMDPDGBKYUEMW-UHFFFAOYSA-N
SMILES
C1=CC(=S)NC=C1
Synonyms (34)
- PYS
- 1,2-dihydropyridine-2-thione
- 1H-pyridine-2-thione
- 2(1H)-PYRIDINETHIONE
- 2-Mercaptopyridine
- 2-Pyridinethiol
- 2-Pyridinethione
- 2-Pyridyl mercaptan
- 2-Thiopyridine
- 2-Thiopyridone
- 2-pyridinylthiol
- 2-pyridylthiol
- 2-thioxopyridine
- Alrithiol-2
- I+/--Thiopyridon
- MERCAPTOPYRIDINE, 2-
- Pridine-2-thiol
- Pyrid-2-thione
- Pyridin-2(1H)-thione
- Pyridine-2-thiol
- Pyridinethione
- Thio-2-pyridine
- Thiopyridone-2
- Thiopyridone-2 [French]
- mercaptopyridine
- pyridin-2-thiol
- pyridine, 2-mercapto-
- pyridine-2(1H)-thione
- pyridine-2-thio
- pyridine-2-thione
- thioxopyridine
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