GC/MS Calibration Standard Mix #1 Back Catalog number: 43027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79313 Isodrin Price on request 682239 2-Mercaptobenzothiazole, 1000mg Price on request 0299.19-50-T 7-Methylbenz[a]anthracene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2541-69-7 Price on request