Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H332
Restricted or banned substances
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CAS 51-98-9
Norethindrone enanthate
pharmaceutical raw material
Norethindrone acetate is a synthetic steroidal compound used as an active pharmaceutical ingredient. Its structure features a tetracyclic core with ester and ether functional groups, and it is characterized by a molecular weight of approximately 340.
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 Norethindrone acetate (CAS 51-98-9) 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,10R,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate
IMONTRJLAWHYGT-ZCPXKWAGSA-N
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