Vitamins Back Catalog number: 67040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4034-ASS-IOX5 NPD Cocktail 1 20 Analytes, each concentration as listed in isooctane; units: 1x1mL Chiron No. Name CAS No. mg/mL in isooctane: 0712.11 1-Methylnaphthalene [90-12-0] Price on request 3882.1-100MG Semicarbazide HCl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 563-41-7 Price on request 70491 1,2,3,4-Tetramethylbenzene Price on request