CID-5951923 5MG. CID-5951923, CAS number: 749872-43-3, MF: C16H18N2O7S, Molecular Weight: 382. 39, Purity: greater than or equal to 98%, Appearance: Off-white solid, Synonym: 2-[Methyl(tetrahydro-1, 1-dioxido-3-thienyl)amino]-2-oxoethyl (E)-3-(3-nitrophenyl)prop-2-enoate, Size: 5MG