非布司他
Tier C — Watch / tradeFebuxostat
Targets:XO
Brand:瑞扬、Febutaz、Feburic、Uloric、Adenuric、Febric、风定宁、优立通
Indications (approved):高尿酸血症、痛风
Regional status
Synthetic routes & intermediates4 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 |
|---|---|---|
| FEBU-001 | 3011-34-5Available | 4-hydroxy-3-nitrobenzaldehyde |
| FEBU-002 | 3272-08-0Available | 4-hydroxy-3-nitrobenzonitrile |
| FEBU-003 | 1532670-75-9Available | 4-hydroxy-3-nitrobenzothioamide |
| FEBU-004 | 609-15-4Available | ethyl 2-chloro-3-oxobutanoate |
| FEBU-005 | 144060-67-3Available | ethyl 2-(4-hydroxy-3-nitrophenyl)-4-methylthiazole-5-carboxylate |
| FEBU-006 | 78-77-3Available | 1-bromo-2-methylpropane |
| FEBU-007 | 144060-93-5Available | ethyl 2-(4-isobutoxy-3-nitrophenyl)-4-methylthiazole-5-carboxylate |
| FEBU-008 | 160844-75-7Available | ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate |

| Code | CAS No. | Intermediate |
|---|---|---|
| FEBU-004 | 609-15-4Available | ethyl 2-chloro-3-oxobutanoate |
| FEBU-006 | 78-77-3Available | 1-bromo-2-methylpropane |
| FEBU-008 | 160844-75-7Available | ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate |
| FEBU-009 | 1761-61-1Available | 5-bromo-2-hydroxybenzaldehyde |
| FEBU-010 | 222315-01-7Available | 5-bromo-2-isobutoxybenzaldehyde |
| FEBU-011 | 876918-26-2Available | 5-bromo-2-isobutoxybenzonitrile |
| FEBU-012 | 876918-32-0Available | (3-cyano-4-isobutoxyphenyl)boronic acid |
| FEBU-013 | 22900-83-0Available | ethyl 2-bromo-4-methylthiazole-5-carboxylate |
| FEBU-014 | 62-56-6Available | thiourea |
| FEBU-015 | 7210-76-6Available | ethyl 2-amino-4-methylthiazole-5-carboxylate |

| Code | CAS No. | Intermediate |
|---|---|---|
| FEBU-008 | 160844-75-7Available | ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate |
| FEBU-016 | 123-08-0Available | 4-hydroxybenzaldehyde |
| FEBU-017 | 18962-07-7Available | 4-isobutoxybenzaldehyde |
| FEBU-018 | 946743-11-9Available | 3-bromo-4-isobutoxybenzaldehyde |
| FEBU-019 | - | (E)-3-bromo-4-isobutoxybenzaldehyde oxime |
| FEBU-020 | 208665-95-6Available | 3-bromo-4-isobutoxybenzonitrile |
| FEBU-021 | 208665-96-7Available | 3-bromo-4-isobutoxybenzothioamide |
| FEBU-022 | 144060-96-8Available | ethyl 2-(3-bromo-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate |
| FEBU-004 | 609-15-4Available | ethyl 2-chloro-3-oxobutanoate |
| FEBU-006 | 78-77-3Available | 1-bromo-2-methylpropane |

| Code | CAS No. | Intermediate |
|---|---|---|
| FEBU-004 | 609-15-4Available | ethyl 2-chloro-3-oxobutanoate |
| FEBU-006 | 78-77-3Available | 1-bromo-2-methylpropane |
| FEBU-008 | 160844-75-7Available | ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate |
| FEBU-023 | 615-58-7Available | 2,4-dibromophenol |
| FEBU-024 | 90869-32-2Available | 2,4-dibromo-1-isobutoxybenzene |
| FEBU-025 | 161718-81-6Available | 4-isobutoxyisophthalonitrile |
| FEBU-026 | 163597-57-7Available | 3-cyano-4-isobutoxybenzothioamide |
Frequently asked questions
What are the approved indications of Febuxostat?
Approved indications include: 高尿酸血症, 痛风.
When does the Febuxostat patent expire?
No public expiry year is available for Febuxostat yet; this page updates once verified.
How many synthesis routes are recorded for Febuxostat?
4 synthesis routes are recorded; the shortest is 5 steps with 1.29 g total yield. Intermediates in each route carry codes and CAS numbers.
Where can I buy Febuxostat intermediates?
25 intermediate CAS of Febuxostat 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 Febuxostat 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) · 2026-09-24