Internal Standard for AB SIM Back Catalog number: 94516 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4770-ASS-10T Custom mix of thiophenes,two components in toluene: 0938.8 Benzothiophene 0.2mg/mL 0884.12 Dibenzothiophene 0.4mg/mL Price on request 678996 Tefluthrin, 10.0 µg/ml, Cyclohexane, 10ml Price on request 681449 Chlordimeform, 100mg Price on request