Environmental Reference Materials, Organics, Single Component Standards4,4′-DDE #91$93.00 – $198.001000 ug/mL in Methanol read moreOptions Choose an option4x1.5mL10X1.5mLClear Add to cart Compare Catalog Number:91Options4×1.5mL, 10X1.5mL Analyte COA's MSDS/SDSAnalyte4,4′-DDE CAS# 72-55-9COA'sMSDS/SDSRelated products Quick View Add to cart Compare $59.00 Environmental Reference Materials Chlorate – 125mL #IC-010 Quick View Add to cart Compare $59.00 Environmental Reference Materials Sodium – 125mL #IC-046 Quick View Add to cart Compare $59.00 Environmental Reference Materials Chloride – 125mL #IC-013 Quick View Add to cart Compare $59.00 Environmental Reference Materials Cyanide – 125mL #IC-019