Nitroguanidine, 100 µg/ml, Acetonitrile, 1ml

C30 Pentacyclic triterpane III (or Z ); Ring A spiro oleanane; Methyl-3ß,4 alpha,10 alpha,18 alpha)-1,5-cyclo-24-nor-1,10-seco-oleanane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 190603-63-5

L-Ascorbic Acid, 100g

2-Phenylbenzo[j]fluoranthene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 210487-02-8