trans-2-Pentene Back Catalog number: 34531 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 677682 Indeno[1,2,3-c,d]pyrene, 100 µg/ml, Acetonitrile, Price on request K204950 4-Keto Retinal, 5mg Price on request 19250 1312 Semi-Volatiles Price on request