C4H2Cl2N2
148.98 g/mol
Pharmaceutical IntermediateDanger
3,6-Dichloropyridazine
CAS141-30-0EC205-478-6
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
3,6-Dichloropyridazine is a chlorinated heterocyclic compound used primarily as a building block in pharmaceutical manufacturing.
pharmaceutical intermediate
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
H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 3,6-Dichloropyridazine (CAS 141-30-0) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
3,6-dichloropyridazine
InChIKey
GUSWJGOYDXFJSI-UHFFFAOYSA-N
SMILES
C1=CC(=NN=C1Cl)Cl
Synonyms (5)
- 3,6-Dichloropyridazine
- 3,6-dichloropyridazin
- Pyridazine, 3,6-dichloro-
- Pyridazine,6-dichloro-
- Resmetirom Impurity 1
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