Michler's base

Mono-n-butyltin trichloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1118-46-3

Sulfamethoxazole, 100 µg/ml, Methanol, 1ml

1,2,3,4-Tetrachloro[13C12]dibenzofuran (97.5%), 1.2ml x 48.75ug/ml, toluene