3938 Metsulfuron-methyl Metsulfuron-methyl is a residual sulfonylurea herbicide that kills broadleaf weeds and some annual grasses. It is a systemic compound with foliar and soil activity, that inhibits cell division in shoots and roots. It has residual activity in soils, allowing it to be used infrequently but requiring up to 22 months before planting certain crops (sunflowers, flax, corn, or safflower). It has very low toxicity to mammals, birds, fish, and insects, but is a moderate eye irritant. 74223-64-6 52999 C14H15N5O6S White powder. No indication of carcinogenicity to humans (not listed by IARC). This is a man-made compound that is used as a pesticide. 2013-04-25T07:56:53Z 2014-12-24T20:26:33Z C10946 39678 true COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(OC)=NC(C)=N1 C14H15N5O6S InChI=1S/C14H15N5O6S/c1-8-15-12(18-14(16-8)25-3)17-13(21)19-26(22,23)10-7-5-4-6-9(10)11(20)24-2/h4-7H,1-3H3,(H2,15,16,17,18,19,21) InChIKey=RSMUVYRMZCOLBH-UHFFFAOYSA-N 381.364 381.074303927 Exogenous Solid CHEMBL1229749 47883