525 Calibration Standard - Spiking Back Catalog number: 95981 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8990.11-25MG 8-Bromo-1-naphthoic acid, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 1729-99-3 Price on request 2517.8-100MG Caffeine,neat,neat,100mg, Price on request 1485.12-100-T 2-Nitrobiphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 86-00-0 Price on request