Method 532 Surrogate Standard Back Catalog number: 30197 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678397 beta-Endosulfan, 100 µg/ml, Acetonitrile, 5ml Price on request 97129 Aldehyde/Ketone - DNPH Standard Price on request 0677.27-100-IO 3, 5-Cyclocholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17132-01-3 Price on request