BTEX Mix Back Catalog number: 20001AR Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11225.7-100-IO 4-Methylbenzotriazole-methyl-d3,100 µg/mL,isooctane,1mL, Price on request 1132.12-15K-10IO n-Dodecane, Selectivity Check Standard, 1.5Wt%, Solvent-isooctane, Unit 10mL, # of units-1, Cas.no. 112-40-3 Price on request 2517.8-500MG Caffeine, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 58-08-2 Price on request