CAS # 107819-90-9 Synonyms: N,N'-Bis(tert-butoxycarbonyl)-S-methylisothiourea1,3-di-Boc-2-methylisothiourea Comments: Reagent for the guanylation of amines. MDL No.: MFCD00239356 Molecular Formula: C12H22N2O4S Molecular Weight: 290.38 Purity Limit: 98% (TLC) Storage Temp: Store…