Internal Standard Back Catalog number: 96651 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1223.24-100MG Di-n-octyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 117-84-0 Price on request AE-00049-R1-10X Carcinogenic Aryl Amine Mix, 100µg/mL in Ethyl acetate, 1ml Price on request 677297 Difluoroacetic acid, 100mg Price on request