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CAS 55809-53-5
5-(tert-butyl)-3-isocyanatoisoxazole
Codes：QUIZ-007
Application context (from source-drug indications)
急性髓细胞样白血病奎扎替尼白血病奎扎替尼髓样白血病奎扎替尼骨髓增生异常综合征奎扎替尼慢性骨髓单核细胞性白血病奎扎替尼肝功能衰退奎扎替尼
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 奎扎替尼Quizartinib | 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.
2-aminobenzo[d]thiazol-6-ol→2-bromo-1-(4-nitrophenyl)ethanone→2-(4-nitrophenyl)benzo[d]imidazo[2,1-b]thiazol-7-ol→4-(2-chloroethyl)morpholine hydrochloride→4-(2-((2-(4-nitrophenyl)benzo[d]imidazo[2,1-b]thiazol-7-yl)oxy)ethyl)morpholine→4-(7-(2-morpholinoethoxy)benzo[d]imidazo[2,1-b]thiazol-2-yl)aniline→5-(tert-butyl)-3-isocyanatoisoxazole
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 |
|---|---|---|---|---|---|
| Unibest Nantong cGMP Site | (5-tert-butyl-isoxazol-3-yl)-carbaMic acid phenyl ester Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 4-(2-Chloroethyl)morpholine hydrochloride Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 3-Amino-5-tert-butylisoxazole Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
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.