A1I4B

2-[3-(1,3-benzothiazol-2-ylamino)-4-methyl-6,7-dihydro-5H-pyrido[2,3-c]pyridazin-8-yl]-1,3-thiazole-4-carboxylic acid

Created:	2025-02-19
Last modified:	2026-06-24

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1 entries where A1I4B is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	45
Chiral Atom Count	0
Bond Count	49
Aromatic Bond Count	21

2D diagram of A1I4B

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Chemical Component Summary
Name	2-[3-(1,3-benzothiazol-2-ylamino)-4-methyl-6,7-dihydro-5H-pyrido[2,3-c]pyridazin-8-yl]-1,3-thiazole-4-carboxylic acid
Synonyms	2-{3-[(1,3-benzothiazol-2-yl)amino]-4-methyl-5H,6H,7H,8H-pyrido[2,3-c]pyridazin-8-yl}-1,3-thiazole-4-carboxylic acid
Systematic Name (OpenEye OEToolkits)	2-[3-(1,3-benzothiazol-2-ylamino)-4-methyl-6,7-dihydro-5~{H}-pyrido[2,3-c]pyridazin-8-yl]-1,3-thiazole-4-carboxylic acid
Formula	C₁₉ H₁₆ N₆ O₂ S₂
Molecular Weight	424.499
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	CACTVS	3.385	Cc1c2CCCN(c3scc(n3)C(O)=O)c2nnc1Nc4sc5ccccc5n4
SMILES	OpenEye OEToolkits	2.0.7	Cc1c2c(nnc1Nc3nc4ccccc4s3)N(CCC2)c5nc(cs5)C(=O)O
Canonical SMILES	CACTVS	3.385	Cc1c2CCCN(c3scc(n3)C(O)=O)c2nnc1Nc4sc5ccccc5n4
Canonical SMILES	OpenEye OEToolkits	2.0.7	Cc1c2c(nnc1Nc3nc4ccccc4s3)N(CCC2)c5nc(cs5)C(=O)O
InChI	InChI	1.06	InChI=1S/C19H16N6O2S2/c1-10-11-5-4-8-25(19-21-13(9-28-19)17(26)27)16(11)24-23-15(10)22-18-20-12-6-2-3-7-14(12)29-18/h2-3,6-7,9H,4-5,8H2,1H3,(H,26,27)(H,20,22,23)
InChIKey	InChI	1.06	WDXTWXOCHZITFN-UHFFFAOYSA-N

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.