BTEX Standard Back Catalog number: 90007 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1131.11-K-IO n-Undecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1120-21-4 Price on request 70500 3-Hydroxycarbofuran Price on request 676787 Musk Xylene, 100 µg/ml, Cyclohexane, 1ml Price on request