CAS 38597-39-6 appears in our catalog under these names: 4-Nitrophenyl 4-hydroxybenzoate, 4-Nitrophenyl 4-hydroxybenzoate 97%, 4-Nitrophenyl 4-hydroxybenzoate, 97%, 97%, 4-Nitrophenyl 4-hydroxybenzoate, 98%. Offered by: Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 5g, 2g, 100mg, 250mg, 1g.