Catalogue Number: | M-5313 |
Compound Name: | Metamizole EP Impurity E Sodium Salt |
Synonyms: | ((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)methanesulfonic acid, sodium salt (1:1) |
CAS#: | 129-89-5 |
Alternate CAS#: | 117-38-4 (free acid) |
Molecular Formula: | C12H14N3O4S. Na |
Molecular Weight: | 296.32 22.99 |
Metamizole EP Impurity C HCl (4-Methylamino Antipyrine HCl)
CAS No. 856307-27-2
C12H15N3O. HCl
M.W. 217.27 36.46
N-Nitroso Metamizole EP Impurity C (N-Nitroso 4-Methylamino Antipyrine)
CAS No. 73829-38-6
C12H14N4O2
M.W. 246.27
N-Nitroso Metamizole EP Impurity C-13C-d3 (N-Nitroso 4-Methylamino Antipyrine-13C-d3)
C1113CH11D3N4O2
M.W. 250.28