C23H32O5
388.5 g/mol
APIWarning
21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione
CAS640-87-9EC211-369-4
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material
This compound is a corticosteroid active pharmaceutical ingredient with a tetracyclic steroid core structure. It contains an acetate ester group and a ketone functionality, and is used as a raw material in pharmaceutical manufacturing.
pharmaceutical raw material for corticosteroid production
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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Safety Reference
Warning
H361Suspected of damaging fertility or the unborn child
H411Toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione (CAS 640-87-9) is 2915.39.
HS code (international, 6-digit)
2915.39
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
[2-[(8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] acetate
InChIKey
HPAKILCZTKWIFK-JZTHCNPZSA-N
SMILES
CC(=O)OCC(=O)[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=CC(=O)CC[C@]34C)C)O
Synonyms (26)
- HYDROCORTISONE IMPURITY K (EP IMPURITY)
- Hydrocortisone EP Impurity K
- 11-Deoxycortisol 21-acetate
- CORTODOXON 21-ACETATE
- HYDROCORTISONE IMPURITY K
- Reichstein's S acetate
- cortexolone 21-acetate
Sourcing 21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione?
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