Tungsten (W) Back Catalog number: 57074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12128.8-250MG Metaldehyde,neat,neat,250mg, Price on request 8857.7-K-IO 3-Ethyl-2-methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 73224 Azithromycin, 1000µg/ml in MeOH, 1ml Price on request