Pyrene Back Catalog number: 70259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0725.12-K-IO 1,6-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 575-43-9 Price on request 3906.17-1G Riboflavin (E101), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 83-88-5 Price on request 681212 Valeraldehyde, 1ml Price on request