Surrogate Standard Back Catalog number: 91625 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681299 Zearalanone, 10.0 µg/ml, Acetonitrile, 1ml Price on request 73245 Pentoxifylline Price on request 672902 Isofenphos-methyl, 50mg Price on request