Custom Calibration Standard Back Catalog number: 50254 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10269.14-100MG 2,2'-Dihydroxy-4-methoxybenzophenone, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 131-53-3 Price on request 8841.8-K-IO 2-Propyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 681691 2,3,5,6-Tetrachlorophenol, 100 µg/ml, Methanol, Price on request