Safety Reference
Warning
H315Causes skin irritation
H361Suspected of damaging fertility or the unborn child
Sourcing 21-Hydroxypregna-1,4,9(11),16-tetraene-3,20-dione 21-acetate?
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5-amino-2,4,6-triiodoisophthaloyl dichloride
pharmaceutical intermediate
Sourcing 21-Hydroxypregna-1,4,9(11),16-tetraene-3,20-dione 21-acetate?
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This compound is a steroidal pharmaceutical intermediate with a 21-carbon framework and a ketone group at the 3-position. Its structure is characterized by a fused tetracyclic ring system and an acetate ester side chain.
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 21-Hydroxypregna-1,4,9(11),16-tetraene-3,20-dione 21-acetate (CAS 37413-91-5) is 2915.39.
2915.39
2915 39 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
[2-[(8S,10S,13S,14S)-10,13-dimethyl-3-oxo-6,7,8,12,14,15-hexahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
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