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CAS 636-73-7
3-Pyridylsulfonic acidpyridine-3-sulfonic acid
Codes：(II)461018-26-a、VONO-012
Application context (from source-drug indications)
华氏巨球蛋白血症伊布替尼慢性淋巴细胞白血病伊布替尼套细胞淋巴瘤伊布替尼移植物抗宿主病伊布替尼消化性溃疡出血醋酸伏诺拉生幽门螺杆菌感染富马酸伏诺拉生食管炎富马酸伏诺拉生胃食管反流病富马酸伏诺拉生胃灼痛富马酸伏诺拉生消化性食管炎富马酸伏诺拉生螺杆菌感染富马酸伏诺拉生
Source drugs (routes using this intermediate)
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.
Azabenzene→3-Pyridylsulfonic acid→3-Hydroxypyridine→3-Hydroxypiperidine→(2S,3S)-4-[(4-Chlorophenyl)amino]-2,3-dihydroxy-4-oxobutanoic acid (3S)-piperidin-3-ol→1-(Phenylmethyl)-3-piperidinol→(2S,3S)-4-((4-Chlorophenyl)amino)-2,3-dihydroxy-4-oxobutanoic acid→(2S,3S)-(-)-Tartaric acid→1-Amino-4-chlorobenzene→(3S)-1-(tert-Butoxycarbonyl)-3-hydroxypiperidine
1-(2-fluorophenyl)ethanone→2-bromo-1-(2-fluorophenyl)ethanone→ethyl 2-cyanoacetate→ethyl 2-cyano-4-(2-fluorophenyl)-4-oxobutanoate→ethyl 2-chloro-5-(2-fluorophenyl)-1H-pyrrole-3-carboxylate→ethyl 5-(2-fluorophenyl)-1H-pyrrole-3-carboxylate→(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanol→5-(2-fluorophenyl)-1H-pyrrole-3-carbaldehyde→pyridine-3-sulfonyl chloride hydrochloride→5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbaldehyde→fumaric acid→pyridine-3-sulfonic acid
1-(2-fluorophenyl)ethanone→2-bromo-1-(2-fluorophenyl)ethanone→ethyl 2-cyanoacetate→ethyl 2-cyano-4-(2-fluorophenyl)-4-oxobutanoate→ethyl 2-chloro-5-(2-fluorophenyl)-1H-pyrrole-3-carboxylate→ethyl 5-(2-fluorophenyl)-1H-pyrrole-3-carboxylate→(5-(2-fluorophenyl)-1H-pyrrol-3-yl)methanol→5-(2-fluorophenyl)-1H-pyrrole-3-carbaldehyde→pyridine-3-sulfonyl chloride hydrochloride→5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbaldehyde→fumaric acid→pyridine-3-sulfonic acid
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 | 5-(2-fluorophenyl)-1H-pyrrole-3-carbonitrile Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 2-chloro-5-(2-fluorophenyl)-1H-pyrrole-3-carbonitrile Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | 5-(2-fluorophenyl)-1H-pyrrole-3-carboxylic acid methyl ester Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 2-[2-(2-Fluorophenyl)-2-oxoethyl]propanedinitrile Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | pyridine-3-sulfonyl chloride Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | 1H-Pyrrole-3-carboxylic acid, 5-(2-fluorophenyl)-, ethyl ester Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 5-(2-Fluorophenyl)-1H-pyrrole-3-carbaldehyde Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 5-(2-Fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbaldehyde Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Nantong cGMP Site | Vonoprazan Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Unibest Taizhou GMP-like Site | 3-Pyridinesulfonyl chloride Pharmaceutical Intermediates | 询价 | 询价 | 询价 | — |
| Qualified Partner — East China API Works | 5-(2-fluorophenyl)-1H-Pyrrole-3-carboxaldehyde 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.