See Part # 72551 Back Catalog number: 72553 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50290 STD - ICV, CCV Price on request 2934.10-100-IO 4-(2,4-Dichlorophenoxy-3,5,6-d3)butyric Acid, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219802-46-6 Price on request 70053 2-Butanone Price on request