Mifepristone
Tier C — Watch / tradeMifepristone
Targets：PR
Brand：Pictovir, Mifeprex, Korlym, Corlux
Indications (approved)：Cushing's syndrome, Termination of pregnancy
Regional status
Factories producing this API2
Factories registered as producing this API in our sourcing network (RFQ records + product master), sorted by RFQ activity; the snapshot carries no cost or customer data.
2 producing factories on file — sign in to view the named list (factory details are not shown to guests).
Sign in to view factories →Synthetic routes & intermediates2 routes
Routes are ordered originator first, then optimised / process (non-patent) routes; each lists steps, overall yield and the intermediate table (code / CAS / name) — ready for supplier sourcing and RFQ. Rendered by this site from structured data; no third-party route graphics used.
| Code | CAS No. | Intermediate |
|---|---|---|
| MIFE-001 | 5571-36-8 | (8S,13S,14S)-13-methyl-1,4,6,7,8,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one |
| MIFE-002 | 74-99-7 | prop-1-yne |
| MIFE-003 | 84371-69-7 | (8S,13S,14S,17S)-13-methyl-17-(prop-1-yn-1-yl)-1,2,4,6,7,8,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol |
| MIFE-004 | 684-16-2 | 1,1,1,3,3,3-hexafluoropropan-2-one |
| MIFE-005 | 84371-57-3 | (5'R,8'S,10'R,13'S,14'S,17'S)-13'-methyl-17'-(prop-1-yn-1-yl)-1',2',7',8',12',13',14',15',16',17'-decahydro-4'H,6'H-spiro[[1,3]dioxolane-2,3'-[5,10]epoxycyclopenta[a]phenanthren]-17'-ol |
| MIFE-006 | 7353-91-5 | (4-(dimethylamino)phenyl)magnesium bromide |
| MIFE-007 | - | (8S,11R,13S,14S,17S)-11-(4-(dimethylamino)phenyl)-13-methyl-17-(prop-1-yn-1-yl)-1,2,6,7,8,11,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-ol |
| Code | CAS No. | Intermediate |
|---|---|---|
| MIFE-008 | 510-64-5 | (8R,13S,14S)-10-(hydroxymethyl)-13-methyl-1,6,7,8,9,10,11,12,13,14,15,16-dodecahydro-3H-cyclopenta[a]phenanthrene-3,17(2H)-dione |
| MIFE-009 | 1562787-62-5 | (8S,13S,14S)-13-methyl-3,17-dioxo-1,2,3,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-10H-cyclopenta[a]phenanthren-10-yl acetate |
| MIFE-010 | 5173-46-6 | (8S,13S,14S)-13-methyl-1,6,7,8,11,12,13,14,15,16-decahydro-3H-cyclopenta[a]phenanthrene-3,17(2H)-dione |
Frequently asked questions
What are the approved indications of Mifepristone?
Approved indications include: Cushing's syndrome, Termination of pregnancy.
When does the Mifepristone patent expire?
No public expiry year is available for Mifepristone yet; this page updates once verified.
How many synthesis routes are recorded for Mifepristone?
2 synthesis routes are recorded; the shortest is 2 steps with 22.50 g total yield. Intermediates in each route carry codes and CAS numbers.
Where can I buy Mifepristone intermediates?
All intermediates in Mifepristone routes have CAS profiles — you can submit an RFQ per CAS and it enters the Unibest matching pool.
How do I get a quote for Mifepristone intermediates?
Open the CAS profile of the target intermediate from this page, or submit an RFQ directly — the CAS enters the matching flow automatically and the supply network responds with quotes.
Source: cross-verified data (structured fields only) · 2026-09-29