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CAS 1429558-08-6
(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
Codes: FEZO-004
Application context (from source-drug indications)
Vasomotor symptomsFezolinetantHot flushesFezolinetantMenopausal symptomsFezolinetantProstate cancerFezolinetantBreast cancerFezolinetantRenal impairmentFezolinetant
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Fezolinetant | 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-(2,4-dimethoxybenzyl)-3-methylpiperazin-2-one→(R)-1-(2,4-dimethoxybenzyl)-5-ethoxy-6-methyl-1,2,3,6-tetrahydropyrazine→3-methyl-1,2,4-thiadiazole-5-carbohydrazide→(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→4-fluorobenzoyl chloride
Intermediates available on this site
Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.
| Supplier | Product | Price band | MOQ | Lead time | Qualifications | Action |
|---|---|---|---|---|---|---|
| Unibest Nantong cGMP Site | 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Taizhou GMP-like Site | (R)-3-Methylpiperazin-2-one Pharmaceutical Intermediates | On request | On request | On request | — | |
| Qualified Partner — East China API Works | (R)-4-(2,4-diMethoxybenzyl)-3-Methylpiperazin-2-one Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Nantong cGMP Site | 3-Methyl-piperazin-2-one Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Taizhou GMP-like Site | 5-bromo-3-methyl-1,2,4-thiadiazole Pharmaceutical Intermediates | On request | On request | On request | — | |
| Qualified Partner — East China API Works | 3-Methyl-[1,2,4]thiadiazole-5-carboxylic acid ethyl ester Pharmaceutical Intermediates | On request | On request | On request | — |
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.