CAS 916979-34-5 appears in our catalog under these names: Allopurinol-d2, Allopurinol–d2, Allopurinol-d2, 99.36%. Offered by: Chemat Brand, TRC, GLPBio, Biosynth, MedChemExpress. Available pack sizes: on request, 2,5mg, 25mg, 1mg, 2mg, 5mg, 10mg, 1 mg.