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CAS 876918-32-0
(3-cyano-4-isobutoxyphenyl)boronic acid
Codes: FEBU-012
Application context (from source-drug indications)
HyperuricaemiaFebuxostatGoutFebuxostatIntracranial haemorrhageFebuxostatUlcerative colitisFebuxostatChronic renal impairmentFebuxostatPainFebuxostat
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Febuxostat | 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.
ethyl 2-chloro-3-oxobutanoate→1-bromo-2-methylpropane→ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate→5-bromo-2-hydroxybenzaldehyde→5-bromo-2-isobutoxybenzaldehyde→5-bromo-2-isobutoxybenzonitrile→(3-cyano-4-isobutoxyphenyl)boronic acid→ethyl 2-bromo-4-methylthiazole-5-carboxylate→thiourea→ethyl 2-amino-4-methylthiazole-5-carboxylate
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 |
|---|---|---|---|---|---|---|
| Qualified Partner — East China API Works | Ethyl 2-(3-Formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Nantong cGMP Site | Ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate 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.