EPA Method 527 Surrogate Standard Back Catalog number: 95053 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2105.8-25MG 1,5-Bis-(1-methylethyl)-biguanide HCl, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 45095-69-0 Price on request 92687 Pesticide Mix #3A Price on request 677759 DL-alpha-Tocopherol, 1000 µg/ml, Methanol, 1ml Price on request