CAS 6921-45-5 appears in our catalog under these names: 1–(4–Cyclopropylphenyl)ethanone, 1-(4-Cyclopropylphenyl)ethanone, 1-(4-Cyclopropylphenyl)ethanone 95%, 1-(4-Cyclopropylphenyl)ethanone, 95%, 95%, 1-(4-Cyclopropylphenyl)ethanone, 97%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 2,5g, 5g, 10g.