C22H28O3
340.5 g/mol
Pharmaceutical IntermediateDanger
Delta-5(10)-Norethindrone Acetate
CAS19637-28-6
Category
Pharmaceutical Intermediate
Compound Class
Steroid
Primary Use
Pharmaceutical Intermediate
Delta-5(10)-Norethindrone Acetate is a steroidal pharmaceutical intermediate used in the manufacturing of steroid-based compounds. It features a complex polycyclic structure with an ethynyl group and an acetate ester.
steroidal pharmaceutical intermediate for research and manufacturingbuilding block in chemical synthesis 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.
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CAS 19637-28-6
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Referencesame scaffold
Tibolone
CAS5630-53-5
pharmaceutical raw material for menopausal hormone therapy
Safety Reference
Danger
H301Toxic if swallowed
H360May damage fertility or the unborn child
Identifiers
IUPAC Name
[(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-3-oxo-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-17-yl] acetate
InChIKey
PKMFOAKNKZEDBU-AANPDWTMSA-N
SMILES
CC(=O)O[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C3CCC(=O)C4)C)C#C
Synonyms (11)
- Norethindrone Acetate EP Impurity B
- Norethisterone Acetate EP Impurity B