Complete Set Of GC/MS Calibration Mixes Back Catalog number: 43029 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682696 Isonicotinic acid, 1000mg Price on request 0199.9-K-IO 6-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-47-6 Price on request B447393-1MG Bisphenol S-13C12, 1mg Price on request