1,3-Dinitropyrene, 100µg/mL in Toluene, 1ml Back Catalog number: XA20975300TO Availability: In the manufacturer's stock Price on request - + Recommended 9991.52-10-ME Microcystin YR, 10µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 101064-48-6 Price on request 56034 Selenium (Se) Price on request M208704 Melamine-13C3,15N3, 1mg Price on request