Internal Standards Mix 33, 2000 ng/µl, 1ml Back Catalog number: YA08273300TO Availability: In the manufacturer's stock Price on request - + Recommended 8716.9-100-ME Carbendazim-d4 (benzimidazole-4,5,6,7-d4), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 291765-95-2 Price on request 680443 beta-HCH, 100 µg/ml, Methanol, 1ml Price on request 678119 D10-Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Price on request