Spiking Solution #1 Back Catalog number: 50800 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11807.23-K-ME Levomepromazine maleate,1000 µg base/mL ,MeOH,1mL, Price on request 677961 Etrimfos, 100 µg/ml, Toluene, 1ml Price on request 2522.8-100MG 4-Hydroxyphenylacetic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 156-38-7 Price on request