Methotrexate Back Catalog number: 72209 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2396.8-K-IPX5 2,4-Dimethylphenol-3,5,6-d3, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 93951-75-8 Price on request 54173 Total Iron (Fe II and Fe III) Price on request 50296 0.100 N Potassium Thiocyanate Price on request