p-Toluidine-2-sulfonic acid, 250mg Back Catalog number: 676259 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 72241 L-Proline Price on request 8740.18-K-25WX5 Linear Alkyl Benzene Sulfonate Stock solution, ISO, 1000µg/ml, Solvent-water, Unit 25mL, # of units-5, Cas.no. 69669-44-9 Price on request 678349 Methoxychlor, 100 µg/ml, Ethyl acetate, 5ml Price on request