Method 8121 - Surrogate Standard Back Catalog number: 95989 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10153.14-100-AN o-Aminoazotoluene,100 µg/mL,acetonitrile,1mL, Price on request 673699 Tebuconazole, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 96568 17B-Estradiol Price on request