Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9837.8-10MG Valproic acid-d15, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 362049-65-8 Price on request XA15170100AC Metolachlor D6 (propyl D6), 100 ng/µl, 1.1ml Price on request 91806 Semi-Volatile Mix #1 Price on request