Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 3,5-Dichloro-4-pyridone?
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Sourcing 3,5-Dichloro-4-pyridone?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
3,5-Dichloro-4-pyridone is a chlorinated heterocyclic compound with a pyridone core. It is primarily used as a building block or intermediate in chemical and pharmaceutical research.
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.
The international HS code for 3,5-Dichloro-4-pyridone (CAS 17228-70-5) is 2933.39.
2933.39
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.
3,5-dichloro-1H-pyridin-4-one
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C1=C(C(=O)C(=CN1)Cl)Cl