Perfluoro-n-[1,2,3,4-13C4]octanoic acid, 1.2ml x 50ug/ml, methanol

High Boiling Sulfur in Toluene for Diesel Fuel Analysis 1 50 ppm S in sulphur-free Toluene; unit: 1x5mL vials Benzo[b]naphtho[2,1-d]thiophene (0485,16) + Benzo[b]naphtho[2,3-d]thiophene (0484,16) (1:1)

Sulfadimethoxine,neat,neat,250mg,

1,1-Dimethoxyethane