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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Aug-18-2025 | 484.66 $* | 494.56 $* |
Jul-18-2025 | 392.70 $* | 400.66 $* |
Jun-18-2025 | 476.86 $* | 486.93 $* |
May-18-2025 | 472.71 $* | 481.45 $* |
Apr-18-2025 | 377.11 $* | 385.12 $* |
Mar-18-2025 | 465.98 $* | 474.76 $* |
Feb-18-2025 | 461.77 $* | 470.86 $* |
Jan-18-2025 | 457.20 $* | 466.9 $* |
Test Item | Criterion | Test Results |
Identification A | The infrared absorption spectrum of the sample is concordant with that of the standard. | The infrared absorption spectrum of the sample was concordant with that of the standard. |
Identification B | The principal spot obtained from the Test solution corresponds in appearance and RF value to that obtained from Standard solution A. The test is not valid unless the chromatogram obtained with Standard solution B shows four clearly discernible spots, disregarding any spots at the origin. | The principal spot obtained from the Test solution corresponds in appearance and RF value to that obtained from Standard solution A. Standard solution B shows four clearly discernible spots. |
Identification C | A red color develops. | It appeared red color. |
Specific rotation | +54.4°~+55.9°, calculate on the anhydrous basis. | +54.9° |
Acidity or alkalinity | Add 0.3ml of phenolphthalein TS: the solution is colorless, and not more than 0.4 ml of 0.1 N sodium hydroxide is required to produce a red color. | Add 0.3ml of phenolphthalein TS: the solution was colorless, and not more than 0.4 ml of 0.1 N sodium hydroxide was required to produce a red color. |
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