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Product Details:
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| Color: | White | Impurity A: | ≤0.5% |
|---|---|---|---|
| Residue On Ignition: | ≤0.1% | Residual Solvent: | Ethanol≤0.5% |
| Heavy Metal: | ≤20ppm | Assay: | 98.0%~102.0% |
High Purity Steroids White Powder Vardenafil Hydrochloride 224785-91-5 For Sex Enhancement
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TEST
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SPECIFICATIONS |
RESULTS |
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Appearance
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White to yellow crystalline powder |
White crystalline powder |
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Identification
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A. Should meet the requirement
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Conforms |
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B. Should meet the requirement
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Conforms |
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Impurity A
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≤0.5% |
N.D. |
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Impurity B
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≤0.3% |
0.075% |
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Loss on drying
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≤0.5% |
0.085% |
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Residue on Ignition
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≤0.1% |
0.045% |
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Residual solvent |
Ethanol≤0.5%
|
0.026% |
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Ethyl acetate≤0.5%
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N.D. |
|
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Tetrahydrofuran≤0.072%
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N.D. |
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Heavy Metal
|
≤20ppm |
Conforms |
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Assay
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98.0%~102.0% |
99.66% |
Vardenafil's indications and contra-indications are the same as with other PDE5 inhibitors; it is closely related in function to citrate and tadalafil . The difference between the vardenafil molecule and citrate is a nitrogen atom's position and the change of piperazine ring methyl group to an ethyl group. Tadalafil is structurally different from both and vardenafil. Vardenafil's relatively short effective time is comparable to but somewhat longer than it.
Beyond its indications for erectile dysfunction, vardenafil may be effective in the treatment of premature ejaculation, where it may significantly increase the time from penetration to ejaculation.
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