CAS 1219795-44-4 appears in our catalog under these names: Ethyl-d5 Methanesulfonate, 99 atom % D, min 98% Chemical Purity, Ethyl methanesulfonate–d5, Ethyl-d5 methanesulfonate, Ethyl methanesulfonate-d5, 99.48%. Offered by: CDN, GLPBio, Biosynth, MedChemExpress. Available pack sizes: 0,25g, 0,1g, 10mg, 25mg, 5mg, 100mg, 50mg, 25 mg.