trans-beta-Carotene Back Catalog number: 71678 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59580A Conductance @ 20°C [10,000µmho/cm] Price on request 0265.20-200-T Benzo[k]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-08-9 Price on request 684681 Vanillic acid, 100mg Price on request