DY158856
139404-48-1
C19H22BrNO4S2.H2O
Tiotropium bromide hydrate
Index name | Specification |
Appearance | White to off-white crystal |
Assay | 99.0%min |
Identification | IR: Chromatogram conforms to the characteristic |
UV: Maximum absorption at 237nm | |
Bromide: Positive reaction | |
Water content | 3.0% to 5.0% |
Heavy metal | 20ppm max |
Related substances | Single impurity: 0.5% max Total impurity: 1.0% max |
Index name | Specification |
Appearance | White to off-white crystal |
Assay | 99.0%min |
Identification | IR: Chromatogram conforms to the characteristic |
UV: Maximum absorption at 237nm | |
Bromide: Positive reaction | |
Water content | 3.0% to 5.0% |
Heavy metal | 20ppm max |
Related substances | Single impurity: 0.5% max Total impurity: 1.0% max |
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