trans-beta-Carotene Back Catalog number: 71678 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96522 Desalkylflurazepam Price on request S-4502-4K-25IO Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane Price on request 2448.8-K-IP 4-Methyl-2-nitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 119-10-8 Price on request