Safety Reference
Danger
H331Toxic if inhaled
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N-Benzoyl-4-piperidone
pharmaceutical intermediate
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Ethyl 4-hydroxy-2-methyl-1,1-dioxo-1λ6,2-benzothiazine-3-carboxylate is a chemical compound used primarily as a pharmaceutical intermediate. It features a bicyclic structure containing an aromatic ring, an ester group, and a sulfonamide-like moiety, making it a building block in the synthesis of active pharmaceutical ingredients.
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 Ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide (CAS 24683-26-9) is 2934.99.
2934.99
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
ethyl 4-hydroxy-2-methyl-1,1-dioxo-1lambda6,2-benzothiazine-3-carboxylate
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