Sulfur Standard: S @ 10 µg/g (0.0010 wt%) in #2 Diesel Fuel, 100ml Back Catalog number: VHG-SDSL-10-100 Availability: In the manufacturer's stock Price on request - + Recommended 1087.18-100-TX5 Benz[a]anthracene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-53-2 Price on request 682182 Chlorimuron-ethyl, 10.0 µg/ml, Acetonitrile, 10m Price on request 1579.4-K-ME Metformin hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1115-70-4 Price on request