trans-2-Pentene Back Catalog number: 34531 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended P206500-5MG Patulin, >98%, 5mg Price on request 59343 Perchlorate Level 5 Price on request 3549.29-K-IO 9,9-Di-n-octylfluorene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 123863-99-0 Price on request