GC/MS Calibration Standard Mix #1 Back Catalog number: 43027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675299 Tetrachloroethene, 100 µg/ml, Methanol, 5ml Price on request 1511.9-K-IO 2,3-Dihydro-2-methylbenzofuran, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1746-11-8 Price on request 10203.8-K-ME Methyl 4-hydroxybenzoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 99-76-3 Price on request