A1JA9

2,5-dichlorothiophene-3-sulfonic acid

Created:	2025-04-16
Last modified:	2026-04-29

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1 entries where A1JA9 is found as a standalone ligand

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Chemical Details
Formal Charge	0
Atom Count	13
Chiral Atom Count	0
Bond Count	13
Aromatic Bond Count	5

2D diagram of A1JA9

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Chemical Component Summary
Name	2,5-dichlorothiophene-3-sulfonic acid
Synonyms	2,5-bis(chloranyl)thiophene-3-sulfonic acid
Systematic Name (OpenEye OEToolkits)	2,5-bis(chloranyl)thiophene-3-sulfonic acid
Formula	C₄ H₂ Cl₂ O₃ S₂
Molecular Weight	233.093
Type	NON-POLYMER

Chemical Descriptors
Type	Program	Version	Descriptor
SMILES	CACTVS	3.385	O[S](=O)(=O)c1cc(Cl)sc1Cl
SMILES	OpenEye OEToolkits	2.0.7	c1c(c(sc1Cl)Cl)S(=O)(=O)O
Canonical SMILES	CACTVS	3.385	O[S](=O)(=O)c1cc(Cl)sc1Cl
Canonical SMILES	OpenEye OEToolkits	2.0.7	c1c(c(sc1Cl)Cl)S(=O)(=O)O
InChI	InChI	1.06	InChI=1S/C4H2Cl2O3S2/c5-3-1-2(4(6)10-3)11(7,8)9/h1H,(H,7,8,9)
InChIKey	InChI	1.06	UMQSLMSNBMTPJY-UHFFFAOYSA-N

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.