p-Xylene, 5ml Back Catalog number: 679930 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675600 Vamidothion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request L429-IS Method 429 Internal Standard Stock Solution, 1.2ml, isooctane Price on request 1579.4-1G Metformin hydrochloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1115-70-4 Price on request