DY12294
154598-52-4
C14H9ClF3NO2
Efavirenz
Index Name | Specifications |
Appearance | White to off-white powder |
Solubility | Practically insoluble in water ,freely soluble in methanol and dichloromethane |
Specific rotation at 25degC | -91 to -97 degree |
Identification | UV IR HPLC |
Loss on drying | 0.5% max |
Residue on ignition | 0.2% max |
Heavy metal | 0.002% max |
Limit of Efavirenz Enantiomer | 0.1% max |
Related substance | Impurity A: 0.15% max Impurity B: 0.15% max Other sigle impurity 0.1% max Total impurity 1.0% max |
Residual solvents | Tert-Butylmethyl ether : 0.5% max Ethanol: 0.1% max Toluene: 0.089% max N-hexane: 0.029% max |
Assay | 98.0 to 102.0% |
Index Name | Specifications |
Appearance | White to off-white powder |
Solubility | Practically insoluble in water ,freely soluble in methanol and dichloromethane |
Specific rotation at 25degC | -91 to -97 degree |
Identification | UV IR HPLC |
Loss on drying | 0.5% max |
Residue on ignition | 0.2% max |
Heavy metal | 0.002% max |
Limit of Efavirenz Enantiomer | 0.1% max |
Related substance | Impurity A: 0.15% max Impurity B: 0.15% max Other sigle impurity 0.1% max Total impurity 1.0% max |
Residual solvents | Tert-Butylmethyl ether : 0.5% max Ethanol: 0.1% max Toluene: 0.089% max N-hexane: 0.029% max |
Assay | 98.0 to 102.0% |
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