Multi-Element Internal Standard / Back Catalog number: 53319 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3424.13-100 Iprodione, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 36734-19-7 Price on request 70541 Azinphos ethyl, 1000µg/ml in MeOH, 1ml Price on request 10376.21-10MG DL-Methadone-d9 hydrochloride Price on request