BTEX (10 µg/mL) Back Catalog number: 98517 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NK-ST-A4 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 3201.14-K-IO 9-trans-Tetradecenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50286-30-1 Price on request 9734.20-100MG 1-Eicosanol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 629-96-9 Price on request