Metformin Hydrochloride Product Name: Metformin Hydrochloride Synonyms: Metformin HCL;3-(diaminomethylidene)-1,1-dimethylguanidine hydrochloride (1:1); 1,1-dimethylbiguanide hydrochloride CAS: 1115-70-4 MF: C4H12ClN5 MW ... a biguanide oral hypoglycemic agents, also known as metformin hydrochloride, Glucophage, metformin, phenformin hypoglycemic effect than to be weak, the main role ...