WS 038 Volatile AMP 2 Back Catalog number: 91839 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0265.20-200-T Benzo[k]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-08-9 Price on request 677783 beta-Estradiol hemihydrate, 100 µg/ml, Methanol, Price on request C15106500 1-Methyl-3-nitroguanidine, certified, 0.1g Price on request