Metals Mix Back Catalog number: 59519 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2923.9-100-IOX5 Chlorpyrifos-d10 (O,O-diethyl-d10),100 µg/mL,isooctane,1mL, Price on request 680566 Heptachlor-exo-epoxide, 10 µg/ml, Acetonitrile, Price on request 12010.9-100MG (±)-Vanillomandelic acid,neat,neat,100mg, Price on request