trans-beta-Carotene Back Catalog number: 71678 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673908 Hexaflumuron, 10 µg/ml, Ethyl acetate, 10ml Price on request 0329.16-K-TX5 Pyrene-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-52-1 Price on request G388500 Girard’s Reagent P, 25g Price on request