Pregnanediol

An inactive metabolite of progesterone by reduction at C5, C3, and C20 position. Pregnanediol has two hydroxyl groups, at 3-alpha and 20-alpha. It is detectable in urine after ovulation and is found in great quantities in the pregnancy urine. The directory classifies it as a unknown/inactive API with a natural source/manufacturing origin. Other names for this substance include 5-beta-Pregnane-3 and 20-diol. It is also listed for alternate use as: API Impurity. Its PubChem CID is 219833.

CAS No 80-92-2
Molecular Formula C21H36O2
Molecular Weight 320.5 g/mol
Synonyms (3R,5R,8R,9S,10S,13S,14S,17S)-17-[(1S)-1-hydroxyethyl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

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