Recovery Standard Solution, 1.2ml, nonane Back Catalog number: EPA-8290RSS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1570.34-100-ME Pseudomorphine (free base), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 125-24-6 Price on request 679794 Danofloxacin mesylate, 100 µg/ml, Methanol, 1ml Price on request 1647.7-1MLX5 Pentafluorobenzoyl chloride, neat, Solvent-neat, Unit 1mL, # of units-5, Cas.no. 2251-50-5 Price on request