Fezolinetant
Tier C — Watch / tradeFezolinetant
Targets：NK3R
Brand：VEOZAH
Indications (approved)：Vasomotor symptoms, Hot flushes
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 |
|---|---|---|
| FEZO-001 | 1383146-20-0Available | (R)-4-(2,4-dimethoxybenzyl)-3-methylpiperazin-2-one |
| FEZO-002 | 1429560-52-0Available | (R)-1-(2,4-dimethoxybenzyl)-5-ethoxy-6-methyl-1,2,3,6-tetrahydropyrazine |
| FEZO-003 | 1375066-73-1Available | 3-methyl-1,2,4-thiadiazole-5-carbohydrazide |
| FEZO-004 | 1429558-08-6Available | (R)-3-methyl-5-(8-methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)-1,2,4-thiadiazole |
| FEZO-005 | 403-43-0Available | 4-fluorobenzoyl chloride |
Frequently asked questions
What are the approved indications of Fezolinetant?
Approved indications include: Vasomotor symptoms, Hot flushes.
When does the Fezolinetant patent expire?
No public expiry year is available for Fezolinetant yet; this page updates once verified.
How many synthesis routes are recorded for Fezolinetant?
1 synthesis routes are recorded; the shortest is 3 steps with 0.795 g total yield. Intermediates in each route carry codes and CAS numbers.
Where can I buy Fezolinetant intermediates?
5 intermediate CAS of Fezolinetant are available through the Unibest supply network — see the route tables on this page and request a quote per CAS.
How do I get a quote for Fezolinetant 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