Tungsten (W) Back Catalog number: 56074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678014 Phenthoate, 100 µg/ml, Toluene, 1ml Price on request 8859.7-K-IO 3-Ethyl-2-methylthiopyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 3426.12-100 Isodrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 465-73-6 Price on request