Multi-Element Solution 4 Back Catalog number: 52136 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3345.7-100-HX Chlorpyrifos-methyl, 100µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 5598-13-0 Price on request 3929.2-5K-ME 1,1-Dichloroethane,5000 µg/mL,MeOH,1mL, Price on request 92060 8260 Internal & Surrogate Standard Price on request