Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 53-16-7
Methylprednisolone acetate
pharmaceutical raw material
Estrone is a naturally occurring estrogen hormone used as an active pharmaceutical ingredient. It plays a key role in hormone replacement therapy and the manufacturing of steroidal compounds.
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 Estrone (CAS 53-16-7) is 2937.23.
2937.23
2937 23 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
(8R,9S,13S,14S)-3-hydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
DNXHEGUUPJUMQT-CBZIJGRNSA-N
C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CCC4=C3C=CC(=C4)O