CLP Semi-Volatile Calibration Mix #1 Back Catalog number: 10027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MET-11827C-250MG 1-(3,4-Dichlorophenyl)-3-methylurea, 250mg Price on request 71411 2,3-Dibromopropionic acid Price on request 3492.10-100-AN Propetamphos Price on request