Appearance: White crystalline powder;
Specific rotation: should be -25.0 º to -28.0 º;
Moisture content: not exceeding 0.5%
Regarding substances: The maximum single impurity shall not exceed 1.0%; The total impurities shall not exceed 3.0%;
Content: should not be less than 97%.
Appearance: White or off white powder;
Specific rotation: should be between+50.0 ︒ and+56.0 ︒;
Dry weight loss: not exceeding 2.0%;
Chloride: not exceeding 0.01%;
Sulfate: not exceeding 0.02%;
Related substances: Impurity RRT=2.6 should not exceed 0.3%, and the maximum single impurity should not exceed 0.1%; The total impurities shall not exceed 0.5%;
Content: should be between 98.0% and 101.0%.
Appearance: This product is a colorless to pale yellow liquid.
Density: approximately 1.243 g/mL~1.3 ± 0.1 g/cm ³.
Moisture content: not exceeding 1.0%.
Regarding substances: maximum single impurity ≤ 0.2%, total impurity ≤ 1.0%.
Content: not less than 98.0%.
Appearance: This product is a colorless to pale yellow liquid.
Density: approximately 1.243 g/mL~1.3 ± 0.1 g/cm ³.
Moisture content: not exceeding 0.5%.
Regarding substances: maximum single impurity ≤ 0.5%, total impurity ≤ 0.5%.
Content: not less than 99.0%.
Appearance: This product is a white or off white crystalline powder;
Specific rotation: should be+82 º to+88 º;
Related substances: Impurity EPAO should not exceed 0.5%; Isomers shall not exceed 0.1%; Other impurities must not exceed 1.8%, why not exceed 2.5%.
Morpholine: should be less than 2.0%;
Moisture content: should not exceed 0.5%;
Dry weight loss: should not exceed 0.5%;
Burning residue: should not exceed 0.1%;
Content: not less than 98.0%.
Appearance: White crystalline powder;
Specific rotation: should be+32.0~36.0 º;
Dry weight loss: not exceeding 0.20%;
Chromatographic purity: not less than 98.0%.
Appearance: White to off white solid;
Dry weight loss: not exceeding 0.20%;
Content: not less than 90.0%.
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