Surrogate Standard Back Catalog number: 91625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674623 Fenitrothion-oxon, 100 µg/ml, Ethyl acetate, 1ml Price on request MBP-123 2',3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 680329 5-Ethyl-2-thiouracil, 50mg Price on request