Propetamphos, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678103 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10835.46-K-ME Quetiapine hemifumarate, 1000µg/ml in MeOH, 1ml Price on request 1399.12-K-IO Tri-n-butylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 126-73-8 Price on request 96885 EPA Method 539Mix #2 Price on request