← Back to patent-cliff list
CAS 190662-30-7
[(8S,13S,14S,17R)-17-Hydroxy-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-yl]acetonitrile
Codes:(III)90248-6-a
Application context (from source-drug indications)
避孕地诺孕素/戊酸雌二醇月经过多地诺孕素/戊酸雌二醇避孕行为地诺孕素/戊酸雌二醇盆腔疼痛地诺孕素/戊酸雌二醇头痛地诺孕素/戊酸雌二醇痛经地诺孕素/戊酸雌二醇
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 地诺孕素/戊酸雌二醇Dienogest/Estradiol Valerate | 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.
[(8S,13S,14S,17R)-17-Hydroxy-13-methyl-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-yl]acetonitrile→17-Oxo-estradiene→Acetonitrile anhydrous
Intermediates available on this site
No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.