CAS 6938-68-7 appears in our catalog under these names: 2–methyl–3–thiosemicarbazide, 1-Amino-1-methylthiourea, 1-Methylhydrazinecarbothioamide 97%, 2-METHYL-3-THIOSEMICARBAZIDE, 97%, 1-Methylhydrazinecarbothioamide, 97%, 97%. Offered by: GLPBio, Biosynth, Ambeed, Sigma-Aldrich, Chemat. Available pack sizes: 100g, 25g, 5g, 500g, 1G.