China Dexmedetomidine Hydrochloride CAS No 145108-58-3, Find details about China Dexmedetomidine, 145108-58-3 from Dexmedetomidine Hydrochloride CAS No 145108-58-3
Tests Carried Out | Limits | Observations |
Characteristics | White or off-white crystalline powder;Hygroscopic | white crystalline powder;Hygroscopic |
Melting point | 154ºC~158ºC | 156ºC~156ºC |
Specific optical rotation | +51.5°~+54.5° | +52.3° |
Identification | In the chromatogram recorded under isomer test,the retention time of major peak in test solution should correspond to that of dexmedetomidine peak in system suitability solution | Conforms |
Maximum absorption at 263nm,minimum absorption at 243nm | Conforms | |
The infrared absorption spectrum of this product should be consistent with that of the reference substance | Conforms | |
It gives reaction of chloride. | Conforms | |
The clarity and color of the solution | The solution should be clear and colorless;if the color is developed,it should be not more intensely than the yellow standard colorimetric solution 1 | Conforms |
PH | 3.8~4.8 | 4.2 |
Relevant substances | Impurity YM-Z1 should be NMT 0.1% | Not detected |
Impurity YM-1 should be NMT 0.1% | <0.04% | |
Impurity YM-Z3 should be NMT 0.1% | Not detected | |
Impurity YM-Z5 should be NMT 0.1% | <0.04% | |
Individual unspecified impurity should be NMT 0.10% | <0.04% | |
Total impurities should be NMT 0.3% | <0.04% | |
Isomer | NMT 0.15% | 0.09% |
Residual solvents | Chloroethane should be NMT 0.1% | 0.0003% |
Ethyl ether should be NMT 0.5% | 0.03% | |
Dichloromethane should be NMT 0.06% | 0.007% | |
Dimethyl sulfoxide | NMT 0.5% | 0.02% |
Water | NMT 1.5% | 1.0% |
Residue on ignition | NMT 0.1% | 0.01% |
Heavy metals | NMT 10ppm | Conforms |
Tartrate | No turbidity | Conforms |
Chlorinity | 14.2%~15.7% | 15.5% |
Bacterial endotoxins | NMT 10EU/mg | Conforms |
Microbial Limit | TAMC:NMT 103 cfu/g | <10cfu/g |
TYMC:NMT 102 cfu/g | <10cfu/g |