00420cas a2200145 a 4500 540.293 ALD Aldrich Chemical Company. 47405 Aldrich fine chemicals. Milwaukee, Wis. : Aldrich Chemical Co. 1 v. : ill. ; 24 cm. 0 0 0 540_293000000000000_ALD SERBIB/SERLOC merged record Chemicals 42750 ddc BK 550665 550665 0 0 ddc 0 0 MCE MCE 2014-11-18 0 540.293 ALD MCE-43922. 2014-11-18 2014-11-18 BK