Product Brief Introduction
Product name: Calcium Levofolinate
CAS: 80433-71-2
MF: C20H21CaN7O7
MW: 511.5
Product Specification
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Appearance |
White or slight-yellow amorphous or crystalline hygroscopic powder |
|
Identification |
IR: the infrared absorption spectrum of the sample complies with the reference standard. |
|
|
It gives calcium reacts. |
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Solubility |
Slightly soluble in water, practically insoluble in acetone and ethanol (96.0%) |
|
Clarity of Solution S |
Clear |
|
Absorbance (420nm) |
≤ 0.25 |
|
Specific Rotation (on anhydrous basis) |
-15.0°~-10.0° |
|
PH |
7.5~8.5 |
|
Moisture |
10.0%~17.0% |
|
Chloride (Cl-) |
≤ 0.5% |
|
Calcium |
7.54%~8.14% |
|
Related Substances |
Impurity A ≤ 0.3% |
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|
Impurity E ≤ 0.3% |
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|
Impurity F ≤ 0.2% |
|
|
Impurity I ≤ 0.2% |
|
|
Impurity H ≤ 0.5% |
|
|
Unspecified impurity ≤ 0.2% |
|
|
Total impurities ≤ 1.5% |
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Residual Solvents |
Ethanol ≤ 3.0% |
|
|
Acetone ≤ 0.5% |
|
Assay |
97.0%~102.0% |
