Pyrene Back Catalog number: 90981 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672997 Finasteride, 100mg Price on request 33001 EPA Method 524.2 - Revision 4.0 Price on request 1165.12-K-IO 2,2,4,4-Tetramethyloctane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 62183-79-3 Price on request