CAS Registry Number

CAS 619-58-9 — 4-Iodobenzoic acid

4-Iodobenzoic acid is an aromatic carboxylic acid with an iodine substituent, widely used in organic synthesis as a reagent, intermediate for pharmaceuticals, and in radiolabeling studies. It serves as a key building block in the preparation of iodinated compounds, including those for PET imaging and agrochemicals. CAS 619-58-9, molecular formula C₇H₅IO₂ (or C₆H₄(I)COOH), molecular weight 248.02 g/mol. Stored at ambient conditions. Signal word: Warning (irritant, may cause skin/eye irritation). Molekula supplies 4-iodobenzoic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.