Entecavir is a nucleoside analogue compound used as an active pharmaceutical ingredient in antiviral medications. Its structure features a guanine-like base linked to a cyclopentene ring with multiple hydroxyl groups, contributing to its polar and water-soluble character.
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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Entecavir hydrate
pharmaceutical raw material
2-amino-1,9-dihydro-9-((1S,3R,4S)-4-(benzyloxy)-3-(benzyloxymethyl)-2-methylene cyclopentyl)-6H-purine-6-one
pharmaceutical raw material
Adefovir dipivoxil
pharmaceutical raw material
Adefovir monopivoxil
pharmaceutical raw material
5-Amino-1-[5-(benzylamino)-5-deoxypentofuranosyl]-1H-imidazole-4-carboximidic acid
pharmaceutical raw material
The international HS code for Entecavir (CAS 142217-69-4) is 2933.59.
2933.59
2933 59 95
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
2-amino-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylidenecyclopentyl]-1H-purin-6-one
QDGZDCVAUDNJFG-FXQIFTODSA-N
C=C1[C@H](C[C@@H]([C@H]1CO)O)N2C=NC3=C2N=C(NC3=O)N
Sourcing Entecavir?
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