21643-38-9 4-09-00-01934 (Beilstein Handbook Reference) 4-Hexylbenzoic acid 4-n-Hexylbenzoic acid BENZOIC ACID, p-HEXYL- BRN 2046454 Benzoic acid, 4-hexyl- EINECS 244-490-6 NSC 172887 p-Hexylbenzoic acid p-n-Hexylbenzoic acid