A1CLB

(3E)-3-(1,3-benzothiazol-2-yl)-4-[3-(4-chlorophenyl)-1-methyl-1H-pyrazol-4-yl]but-3-enoic acid

Created:	2025-08-01
Last modified:	2026-08-05

Find Related PDB Entry
1 entries where A1CLB is found as a standalone ligand

Find related ligands: Help
Similar Ligands (Stereospecific) Similar Ligands (including Stereoisomers) Similar Ligands (Quick Screen) Similar Ligands (Substructure Stereospecific) Similar Ligands (Substructure including Stereoisomers)

Chemical Details
Formal Charge	0
Atom Count	44
Chiral Atom Count	0
Bond Count	47
Aromatic Bond Count	21

2D diagram of A1CLB

Toggle Hydrogen Toggle Labels

Chemical Component Summary
Name	(3E)-3-(1,3-benzothiazol-2-yl)-4-[3-(4-chlorophenyl)-1-methyl-1H-pyrazol-4-yl]but-3-enoic acid
Systematic Name (OpenEye OEToolkits)	(~{E})-3-(1,3-benzothiazol-2-yl)-4-[3-(4-chlorophenyl)-1-methyl-pyrazol-4-yl]but-3-enoic acid
Formula	C₂₁ H₁₆ Cl N₃ O₂ S
Molecular Weight	409.889
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	ACDLabs	14.52	Clc1ccc(cc1)c1nn(C)cc1\C=C(/CC(=O)O)c1nc2ccccc2s1
SMILES	CACTVS	3.385	Cn1cc(C=C(CC(O)=O)c2sc3ccccc3n2)c(n1)c4ccc(Cl)cc4
SMILES	OpenEye OEToolkits	3.1.0.0	Cn1cc(c(n1)c2ccc(cc2)Cl)C=C(CC(=O)O)c3nc4ccccc4s3
Canonical SMILES	CACTVS	3.385	Cn1cc(\C=C(CC(O)=O)\c2sc3ccccc3n2)c(n1)c4ccc(Cl)cc4
Canonical SMILES	OpenEye OEToolkits	3.1.0.0	Cn1cc(c(n1)c2ccc(cc2)Cl)/C=C(\CC(=O)O)/c3nc4ccccc4s3
InChI	InChI	1.06	InChI=1S/C21H16ClN3O2S/c1-25-12-15(20(24-25)13-6-8-16(22)9-7-13)10-14(11-19(26)27)21-23-17-4-2-3-5-18(17)28-21/h2-10,12H,11H2,1H3,(H,26,27)/b14-10+
InChIKey	InChI	1.06	PUZGSUYWMUYCFC-GXDHUFHOSA-N

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

CoreTrustSeal

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.