Intermediates Cas 6642-31-5

Posted By wanglizhi -

China
Summary: molecular formular c6h9n3o2 155 15 cas 6642 31 5 widly pharmaceutical synthesis
Glyoxal 40% Cas No107-22-2

Posted By welinknimo -

China
Summary: 1 glyoxal 40 107 22 2 cas 3 packaging 250kg drum 4 5 purity chemical medicine