Internal Standard Back Catalog number: 93185 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1570.34-25MG Pseudomorphine (free base), neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 125-24-6 Price on request 11377.39-K-CF POPE (16:0/18:1) ,1000 µg/mL,chloroform,1mL, Price on request 675813 Clethodim, 50mg Price on request