Calibration Standard Mix 4 Back Catalog number: 52013 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8238.12-100MG 4,4'-Difluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 398-23-2 Price on request 9689.0-140-5HC Descarbamoylgonyautoxin-2 and -3 Price on request 13800-0159-1000IO Dimethylisophthalate, 1000µg/ml in Isooctane, 5ml Price on request