Herbicide Acids Mix Back Catalog number: 94964 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93769 EPA Methd 8330 Standard Price on request 10900.17-K-DS Promethazine hydrochloride,1000 µg base/mL,DMSO,1mL Price on request 2571.24-K-IO m-Quarterphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1166-18-3 Price on request