CAS 22661-87-6 appears in our catalog under these names: 1-Methylguanidine HCl, 1-Methylguanidine xHCl 97%, 1-Methylguanidine hydrochloride(1:x), 97%, 97%, 1-Methylguanidine (hydrochloride). Offered by: Biosynth, Ambeed, Chemat, MedChemExpress. Available pack sizes: 50g, 5g, 10g, 25g, 100g, 500 mg, 1 g.