GFAA Spike Standard Back Catalog number: 52316 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9497.13-100-ME Propyphenazone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 479-92-5 Price on request 9835.12-5MG Topiramate-d12 Price on request 8026.6-K-IO Triethylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-40-0 Price on request