Methotrexate hydrate, 100mg Back Catalog number: 681707 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 30006 EPA Method 525.2 Pesticide Mix #1, 100µg/mL in toluene : hexane [1:1], 1ml Price on request 73188 Pentachloroaniline Price on request 681214 3-Octanone, 250mg Price on request