CAS 153800-11-4 appears in our catalog under these names: 2–ethynylpyrazine, 2-Ethynylpyrazine, 2-Ethynylpyrazine 97%, 2-Ethynylpyrazine, 98%, 98%, 2-ETHYNYLPYRAZINE, 98%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 10g, 100mg, 250mg, 5g.