1.0 2026-03-26 22:31:30 UTC 2026-08-21 18:27:38 UTC Pergafast 201 SmallMolecule Pergafast 201 (C21H20N2O6S2) is an organic compound with an average molecular weight of 460.52 g/mol. Pergafast 201 belongs to the benzenesulfonic acids and derivatives, a subclass of benzene and substituted derivatives within the organic compounds. This substance has been identified in or released from 20 recorded sources across several sectors. Within aquatic systems and sediments, it is found in groundwater, surface water, seawater, and freshwater. In the context of drinking water and water supply, it is present in drinking water, tap water, bottled water, and desalinated water. It is also recorded in wastewater, sanitation, and biosolids, specifically appearing in industrial wastewater, wastewater treatment effluent, mine wastewater, and unspecified wastewater. Additionally, the compound is found in appliances, HVAC, and refrigerants, including water coolers and water heaters. In the marine, shipping, and aquaculture sector, it is detected in ballast water and bilge water, while agriculture and land management sources include irrigation water. It is also associated with three more sectors. Recorded exposure routes for the compound include inhalation, oral, and touch. PMT C21H20N2O6S2 460.52 460.076278 232938-43-1 CC1=CC=C(C=C1)S(=O)(=O)NC(=O)NC1=CC=CC(OS(=O)(=O)C2=CC=C(C)C=C2)=C1 InChI=1S/C21H20N2O6S2/c1-15-6-10-19(11-7-15)30(25,26)23-21(24)22-17-4-3-5-18(14-17)29-31(27,28)20-12-8-16(2)9-13-20/h3-14H,1-2H3,(H2,22,23,24) HEVGMYPGMWZOBU-UHFFFAOYSA-N Organic compounds Benzenoids Benzene and substituted derivatives Benzenesulfonic acids and derivatives Benzenesulfonate esters Aminosulfonyl compounds Arylsulfonic acids and derivatives Benzenesulfonamides Benzenesulfonyl compounds Carbonyl compounds Hydrocarbon derivatives N-phenylureas Organic oxides Organosulfonic acid esters Phenoxy compounds Sulfonylureas Tosyl compounds p-Methylbenzenesulfonates Aminosulfonyl compound Aromatic homomonocyclic compound Arylsulfonic acid or derivatives Benzenesulfonamide Benzenesulfonate ester Benzenesulfonyl group Carbonyl group Hydrocarbon derivative N-phenylurea Organic nitrogen compound Organic oxide Organic oxygen compound Organic sulfonic acid or derivatives Organonitrogen compound Organooxygen compound Organosulfonic acid ester Organosulfonic acid or derivatives Organosulfur compound P-methylbenzenesulfonate Phenoxy compound Sulfonyl Sulfonylurea Toluene Tosyl compound Aromatic homomonocyclic compounds Detected and Not Quantified logp 4.6 average_mass 460.52 ChemAxon mono_mass 460.076278 ChemAxon smiles CC1=CC=C(C=C1)S(=O)(=O)NC(=O)NC1=CC=CC(OS(=O)(=O)C2=CC=C(C)C=C2)=C1 ChemAxon formula C21H20N2O6S2 ChemAxon inchi InChI=1S/C21H20N2O6S2/c1-15-6-10-19(11-7-15)30(25,26)23-21(24)22-17-4-3-5-18(14-17)29-31(27,28)20-12-8-16(2)9-13-20/h3-14H,1-2H3,(H2,22,23,24) ChemAxon inchikey HEVGMYPGMWZOBU-UHFFFAOYSA-N ChemAxon #<HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f7262579078> 22035425