WP & DMRQA Demands Back Catalog number: 55055 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52085A QC Standard 2 Price on request 11765.12-100-IO 2,2',3,4,5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 8997.21-100-ME 11-Deoxycortisol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 152-58-9 Price on request