QC Standard 2 Back Catalog number: 56085 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72777 Benalaxyl Price on request 8238.12-100MG 4,4'-Difluorobiphenyl, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 398-23-2 Price on request ZA22005000CY Toxaphene Parlar-No. 50, 1µg/mL in Cyclohexane, 1ml Price on request