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Home/Compounds/Other/4-Chloro-3-pyridinesulfonamide
C5H5ClN2O2S
192.62 g/mol
OtherWarning

4-Chloro-3-pyridinesulfonamide

CAS33263-43-3EC251-434-4
Category
Other
Compound Class
n.a
Primary Use
Research reagent

4-Chloro-3-pyridinesulfonamide is a chemical compound characterized by a pyridine ring substituted with a chloro group and a sulfonamide group. It is commonly supplied as a research reagent or building block for organic synthesis.

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

ReferenceSame Category

Acridine-9-carboxylate

CAS332927-03-4

research compound for pharmaceutical manufacturing

ReferenceSame Category

2-amino-5-phenylpyridine

CAS33421-40-8

research compound

ReferenceSame Category

N-[(4-Aminophenyl)-methylsulfonyl]pyryolidine

CAS334981-10-1

research reagent and pharmaceutical intermediate

ReferenceSame Category

Cyclopentyl isothiocyanate

CAS33522-03-1

Research reagent

Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for 4-Chloro-3-pyridinesulfonamide (CAS 33263-43-3) is 2935.90.

HS code (international, 6-digit)

2935.90

EU CN code (8-digit)

2935 90 90

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

4-chloropyridine-3-sulfonamide

InChIKey

DGIINIBYHCODIH-UHFFFAOYSA-N

SMILES

C1=CN=CC(=C1Cl)S(=O)(=O)N

Synonyms (12)
  • 4-CHLORO-3-PYRIDYLSULFONAMIDE
  • 4-Chloropyridin-3-sulfonamide

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