Isobutyric acid

Syringic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 530-57-4

Naphtho[8,1,2-abc]coronene (Naphtho[2'.8',2.4]coronene), neat, Solvent-neat, Unit ca. 100µg, # of units-1, Cas.no. 6596-38-9

2,2',4,5'-Tetrabromodiphenyl ether, 1.2ml x 50ug/ml, nonane