China Factory Supply High Quality Doxazosin Mesylate Raw Materials CAS 77883-43-3, Find details about China 77883-43-3, CAS 77883-43-3 from Factory Supply High Quality Doxazosin Mesylate Raw Materials CAS 77883-43-3
CAS: | 77883-43-3 |
MF: | C24H29N5O8S |
MW: | 547.58 |
EINECS: | 1308068-626-2 |
Items | Standard | Results | |
Appearance | White or off white crystalline powder.odourless tasteless. lightly soluble in water,meth anol soulution,soluble in mixed solution of 15 volume water and 35 volume tetrahydrofu ran,almost unsoluble in aceto ne | Conform | |
Identification(1) | The retention time of the main peak of the supplier should be consistent with the retention time of the control peak of doxazsin mesylate. | Conform | |
Identification(2) | The infrared absorption spectra of this product should be consistent with the control map(spectral set 733) | Conform | |
PH | 2.5~4.5 | 3.9 | |
Cl- | ≤0.06% | Conform | |
Related substance | Each impurity not more than 0.10% Sum of impurities not more than 0.3% Metha nol≤0.3% Eth yl acet ate≤0.5% | 0.034% 0.07% N.D N.D | |
Organic solvent residue | N-but anol≤0.5% Tolue ne≤0.089%Dichlor omethane≤0.06% | N.D N.D N.D | |
Heavy metals | Not more than 10ppm | Conform | |
Loss on drying | Not more than 1.0% | 0.47% | |
Methyl methanesulfonate | Not more than 1900ppm(0.19%) | N.D | |
Residue on ignition | ≤0.1% | 0.04% | |
Assay | Not less than 98.0%~102.0%(dried substance) | 99.7% | |
Microbial limit | Should be meet the requirements | Meet the requirements |