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CAS 81-25-4
(R)-4-((3R,5S,7S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
Codes: NORUR-001
Application context (from source-drug indications)
Non-alcoholic steatohepatitisNor Ursodeoxycholic AcidSclerosing cholangitisNor Ursodeoxycholic Acid
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Nor Ursodeoxycholic Acid | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
(R)-4-((3R,5S,7S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid→(R)-4-((3R,5S,7S,8R,9S,10S,13R,14S,17R)-3,7-bis(formyloxy)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid→(3R,5S,7S,8R,9S,10S,13R,14S,17R)-17-((R)-1-cyanopropan-2-yl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,7-diyl diformate→(R)-3-((3R,5S,7S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)butanoic acid
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