Sulfate (SO4-2) Back Catalog number: 50410 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9747.10-100-ME Ecgonine methyl ester, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 12031.14-100-NN 2,4'-DDT-13C12,100 µg/mL,n-nonane,1mL, Price on request 3290.21-K-IO Methyl 5-cis-eicosenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20839-34-3 Price on request