Vardenafil
Name: | Vardenafil |
---|
Vardenafil:
CAS: 224785-91-5
Molecular Formula: C23H32N6O4S
Product Name: Vardenafil
Appearance: White to almost white crystalline powder, odorless, a little acerbity,
soluble in water, ethanol
Use: It is pharmaceutical raw material, indicated for the treatment of erectile dysfunction.
Product Description
Vardenafil is a PDE5 inhibitor used for treating erectile dysfunction. 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 sildenafil's 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 sildenafil's
Specification:
Test Items | Specification | Test Results |
Description | White or almost white crystalline powder | White crystalline powder |
Melting Point | 191.0~193.0ºC | 192ºC |
Loss of drying | ≤1.0% | 0.5% |
Heavy Metal | ≤20ppm | 15ppm |
TLC | Only one spot | Only one spot |
Assay | ≥99.5% | 99.91% |
Conclusion |
It complies with the USP 32. |
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