← Back to patent-cliff list
CAS 17420-30-3
2-amino-5-nitrobenzonitrile
Codes：IRBIN-001
Application context (from source-drug indications)
乳腺癌图卡替尼结直肠癌图卡替尼
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| 图卡替尼Tucatinib | Tier C — Watch / trade | 2030 |
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-amino-5-nitrobenzonitrile→(E)-N'-(2-cyano-4-nitrophenyl)-N,N-dimethylformimidamide→(E)-N'-(4-amino-2-cyanophenyl)-N,N-dimethylformimidamide→2-amino-2-methylpropan-1-ol→(E)-N'-(2-cyano-4-(3-(1-hydroxy-2-methylpropan-2-yl)thioureido)phenyl)-N,N-dimethylformimidamide→7-(4-(l2-azaneyl)-2-methylphenoxy)-[1,2,4]triazolo[1,5-a]pyridine→1-(4-((4-([1,2,4]triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-3-(1-hydroxy-2-methylpropan-2-yl)thiourea→4-(2-methyl-4-nitrophenoxy)pyridin-2-amine→(E)-N,N-dimethyl-N'-(4-(2-methyl-4-nitrophenoxy)pyridin-2-yl)formimidamide→7-(2-methyl-4-nitrophenoxy)-[1,2,4]triazolo[1,5-a]pyridine→N4-(4-([1,2,4]triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)-N6-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)quinazoline-4,6-diamine
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 Taizhou GMP-like Site | [1,2,4]Triazolo[1,5-a]pyridin-7-ol Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | (E)-N'-(2-cyano-4-(3-(1-hydroxy-2-methylpropan-2-yl)thioureido)phenyl)-N,N-dimethylformimidamide Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | (2-methyl-4-nitrophenoxy)-[1,2,4]triazolo[1,5-a]pyridine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 4-([1,2,4]triazolo[1,5-a]pyridin-7-yloxy)-3-methylaniline Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | (E)-N'-(2-cyano-4-nitrophenyl)-N,N-dimethylformimidamide Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | N'-(4-Amino-2-cyanophenyl)-N,N-dimethylformamidine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | Chloro-[1,2,4]triazolo[1,5-a]pyridine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 1-(4-((4-([1,2,4]Triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-3-(1-hydroxy-2-methylpropan-2-y Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | 1-(3-cyano-4-((dimethylamino)methyleneamin Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | (4-chloropyridin-2-yl)-N'-hydroxyformimidamide Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | Aminopyridin-4-ol Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | 4-Chloropyridine-2-carboxamide Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | Methyl 4-chloropicolinate Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 2-Amino-4-chloropyridine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | 2-Amino-4-methoxypyridine Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 4-METHOXY-PYRIDINE-2-CARBOXYLIC ACID AMIDE Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 5-Chloropyridine-2-carboxylic acid 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.