Methyl Derivatives of Herbicides Back Catalog number: 81511 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71773A 3,4-Dinitrotoluene Price on request 67017 beta-Lactam Antibiotics Price on request 3910.22-1G Carmine, Natural red 4 (E 120), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1390-65-4 Price on request