CAS 6923-01-9 appears in our catalog under these names: Imidazole-d4, 98 atom % D, min 98% Chemical Purity, Imidazole–d4, IMIDAZOLE-D4, 98 ATOM % D, Imidazole-d4, 99.94%. Offered by: CDN, GLPBio, Sigma-Aldrich, MedChemExpress. Available pack sizes: 5g, 1g, 100mg, 250 mg, 100 mg.