BTEX Plus 2 Back Catalog number: 95609 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3640.5-K-IO Methyl isobutyrate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 547-63-7 Price on request 2881.6-1G Sorbic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 110-44-1 Price on request 58056 Barium (Ba) Price on request