56180-94-0 acarbose acarbose Price
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Item |
Specifications |
Results |
Appearance |
white or yellowish amorphous powder |
Conforms |
Identification |
A:Infrared Absorption: The IR absorption spectrum of the preparation of the test specimen, exhibits maxima only at the same wavelengths as that of a similar preparation of the corresponding working standard. |
Conforms |
B:The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay. |
Conforms |
|
Assay |
95.0 ~ 102.0% (anhydrous substance) |
95.55% |
Absorbance |
≤0.15(At 425nm) |
0.013 |
Specific optical rotation |
+168°~ +183° |
+174° |
PH |
5.5 ~ 7.5 |
5.7 |
Sulphate Ash |
≤0.2% |
0.0% |
Water |
≤4.0% |
2.12% |
Heavy Metals |
≤20ppm |
<20ppm |
Total impurities |
≤3.0% |
1.22% |
Any impurity |
≤0.2% |
0.02% |
Impurity A |
≤0.6% |
0.40% |
Impurity B |
≤0.5% |
0.03% |
Impurity C |
≤1.5% |
0.33% |
Impurity D |
≤1.0% |
0.06% |
Impurity E |
≤0.2% |
0.13% |
Impurity F |
≤0.3% |
undetected |
Impurity G |
≤0.3% |
undetected |
Impurity H |
≤0.2% |
undetected |
Impurity I |
≤0.2% |
undetected |
Impurity J |
≤0.3% |
undetected |
Microbiological purity |
Not more than 1000 aerobic bacteria per 1g |
10 cfu /g |
Not more than 100 fungi per 1g |
<10cfu/g |
|
Absence of Escherichia coli per 1g |
undetected |
|
Conclusion |
The results conforms with USP 35 standards |
d sulfuric acid.
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