BTEX & Naphthalene & Tetrachloroethene Back Catalog number: 95501 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 60008 High Concentration Mix #1 Price on request 1163.12-K-IO 2,3-Dimethyldecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17312-44-6 Price on request I789183-250MG Isobutyric-d7 Acid, 250mg Price on request