Spike Solution #1B Back Catalog number: 59919 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1037.18-200-T 1-Ethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 17088-22-1 Price on request 96608 4-Fluoromethcathinone Price on request 681256 D4-1H-Benzotriazole, 10.0 µg/ml, Methanol, 10ml Price on request