C5H5NO3S
159.17 g/mol
Research ReagentDanger
3-Pyridinesulfonic acid
CAS636-73-7EC211-265-9
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
3-Pyridinesulfonic acid is a research compound featuring a pyridine ring with a sulfonic acid group. Its primary significance lies in its use as a building block in chemical synthesis and scientific studies.
chemical synthesis intermediatelaboratory research reagent
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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Safety Reference
Danger
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3-Pyridinesulfonic acid (CAS 636-73-7) 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
pyridine-3-sulfonic acid
InChIKey
DVECLMOWYVDJRM-UHFFFAOYSA-N
SMILES
C1=CC(=CN=C1)S(=O)(=O)O
Synonyms (13)
- VXH
- 3-Pyridinesulfonic acid
- 3-Pyridylsulfonic acid
- 3-Sulfopyridine
- Pyridin-3-sulfonic acid
- Pyridine-3-sulphonic acid
- Vonoprazan Impurity 11
- beta-Sulfopyridine
- pyridine, 3-sulpho-
- pyridine-3-sulfonic acid
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