CAS 207972-39-2 appears in our catalog under these names: Nonanedioic acid,1,9-bis[2-(ethoxycarbonyl)phenyl] ester, TU-2100/ 98.07% (existing batch purity), TU-2100. Offered by: Chemat, TargetMol, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 50mg, 100mg, 200mg, 1 mg.