Betamethasone
Tier C — Watch / tradeBetamethasone
Targets：GR
Brand：Rinderon, Celestone
Indications (approved)：Ulcerative proctitis, Hypersensitivity reaction, Rheumatoid arthritis, Cutaneous lupus erythematosus, Dermatitis, Asthma, Inflammatory disease
Regional status
Factories producing this API1
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.
1 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 & intermediates1 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 |
|---|---|---|
| Betamethasone-001 | 560-62-3 | 9-Hydroxyandrost-4-ene-3,17-dione |
| Betamethasone-002 | 75-86-5 | 2-Hydroxy-2-methylpropanenitrile |
| Betamethasone-003 | 116256-35-0 | (17alpha)-9,17-Dihydroxy-3-oxoandrost-4-ene-17-carbonitrile |
| Betamethasone-004 | 116256-45-2 | (8S,9R,10S,13S,14S,17R)-9,17-Dihydroxy-10,13-dimethyl-1,2,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-17-carbonitrile |
| Betamethasone-005 | 63561-93-3 | (16beta)-17-Hydroxy-16-methylpregna-4,9(11)-diene-3,20-dione |
| Betamethasone-006 | 173350-25-9 | (8S,10S,13S,14S)-10,13-Dimethyl-1,2,4,7,8,10,12,13,14,15-decahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-17-carbonitrile |
| Betamethasone-007 | - | (4'aS,6'aS,6'bR,7'aR,8'aS,8'bS)-4'a,6'a-Dimethyl-3',4',4'a,6',6'a,7'a,8',8'a,8'b,9'-decahydrospiro[1,3-dioxolane-2,2'-naphtho[2',1':4,5]indeno[1,2-b]oxirene]-6'b(1'H)-carbonitrile |
| Betamethasone-008 | 676-58-4 | Methylmagnesium chloride |
| Betamethasone-009 | - | 1-[(8S,10S,13S,14S,16S,17R)-17-Hydroxy-10,13,16-trimethyl-1,2,6,7,8,10,12,13,14,15,16,17-dodecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17-yl]ethan-1-one |
Frequently asked questions
What are the approved indications of Betamethasone?
Approved indications include: Ulcerative proctitis, Hypersensitivity reaction, Rheumatoid arthritis, Cutaneous lupus erythematosus, Dermatitis, Asthma, Inflammatory disease.
When does the Betamethasone patent expire?
No public expiry year is available for Betamethasone yet; this page updates once verified.
How many synthesis routes are recorded for Betamethasone?
1 synthesis routes are recorded; the shortest is 6 steps with 80g(Betamethasone-005) total yield. Intermediates in each route carry codes and CAS numbers.
Where can I buy Betamethasone intermediates?
All intermediates in Betamethasone 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 Betamethasone 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