CAS 645-65-8 appears in our catalog under these names: Imidazoleacetic acid 95%, 2-(1H-Imidazol-5-yl)acetic acid, 97%, 97%, Imidazoleacetic acid (Standard), Imidazoleacetic acid, 99.80%, 2-(1H-imidazol-5-yl)acetic acid, 98%. Offered by: Ambeed, Chemat, MedChemExpress, Fluorochem. Available pack sizes: 100g, 100mg, 250mg, 1g, 5g, 10g, 25g, 500mg.