40 CFR 721.9660 Methylthiouracil [58 FR 63517, Dec. 1, 1993] https://api.chemreg.net/regulations/gmsds_oct18-1060.pdf/view https://api.chemreg.net/@@site-logo/ChemReg-branding.png 40 CFR 721.9660 Methylthiouracil [58 FR 63517, Dec. 1, 1993] Loading The Document Viewer requires that you enable Javascript. Download GMSDS Oct18-1060.pdf — 5.4033203125 KB