BTEX Mix Back Catalog number: 20001AR Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8844.10-K-IO 2-Isobutyl-3,5-dimethylpyrazine and 2-isobutyl-3,6-dimethylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 54342 Alkalinity as Calcium Carbonate Price on request 8241.18-50-IO 1-Nitrotriphenylene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request