Semi-Volatile Mix Back Catalog number: 92768 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2832.9-50-ME 1H,1H-Perfluoro-3,5,5-trimethylhexanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 238403-51-5 Price on request 678106 Pyrazophos, 100 µg/ml, Acetonitrile, 1ml Price on request 9245.8-100-ME Acetaminophen-d4 (Paracetamol-d4),100 µg/mL,MeOH,1mL Price on request