Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
Sourcing 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone?
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1-aminocyclobutanecarboxlic acid
pharmaceutical intermediate
Sourcing 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone?
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7-Hydroxy-3,4-dihydrocarbostyril is a quinoline derivative used as a pharmaceutical intermediate in chemical synthesis and manufacturing.
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 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone (CAS 22246-18-0) is 2933.79.
2933.79
2933 79 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
7-hydroxy-3,4-dihydro-1H-quinolin-2-one
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