MA - EPH Matrix Spike Rev 1.0/1.1 Back Catalog number: 51074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0135.31-50-05IO (22R)-30-Homohop-17(21)-ene, 50µg/mL, Solvent-isooctane, Unit 0.5mL, # of units-1, Cas.no. 80923-99-5 Price on request 3130.5-K-IO Pentanoic acid (Valeric), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 109-52-4 Price on request 94123 EPA Method 8310 Surrogate Standard Price on request