P-Nitrobenzoic Acid (PNBA) 99.5% NameP-Nitrobenzoic acid(PNBA)CAS No.62-23-7Formula Weight167.12Molecular FormulaC7H5NO4Stuctural ... produce procaine hydrochloride , 4-(Aminomethyl) benzoic acid ,folic acid, benzocaine ,Cephalosporins V, p-Amino benzamide glutamic acid , Berenil , and reactive brilliant red ... stable, longterm and trustable partner for European buyers. P-Nitrobenzoic Acid (PNBA) 99.5%