Safety Reference
Danger
H302Harmful if swallowed
H360May damage fertility or the unborn child
H361
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4-(tert-Butyl)-N-(6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide hydrochloride
pharmaceutical raw material
Sourcing Bosentan?
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Bosentan is a dual endothelin receptor antagonist used as an active pharmaceutical ingredient in the manufacturing of medications for pulmonary arterial hypertension.
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 Bosentan (CAS 147536-97-8) is 2935.90.
2935.90
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.
4-tert-butyl-N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)-2-pyrimidin-2-ylpyrimidin-4-yl]benzenesulfonamide
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CC(C)(C)C1=CC=C(C=C1)S(=O)(=O)NC2=C(C(=NC(=N2)C3=NC=CC=N3)OCCO)OC4=CC=CC=C4OC