Surrogates Back Catalog number: 92267 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11253.14-100-AN Diflubenzuron-d4 (4-chlorophenyl-d4),100 µg/mL,acetonitrile,1mL, Price on request 11434.20-100-IO Di-o-tolylphenyl phosphate,100 µg/mL,isooctane,1mL, Price on request 95731 Semi-Volatile Mix Price on request