224789-15-5 Vardenafil levitra
ProName: Vardenafil / levitra CAS 224789-15-5
CasNo: 224789-15-5
Molecular Formula: C23H33ClN6O4S
Appearance: Off white crystalline powder
Application: pharmaceutical industry
DeliveryTime: 2-3 days after payment
PackAge: (1). 1-10kg / foil bag (2). 25kg / d...
Port: SHANGHAI
ProductionCapacity: 1000 Kilogram/Month
Purity: 99%
Storage: Store in cool & dry place
Transportation: 1.Air Courier Express Door to Door Ser...
LimitNum: 1 Kilogram
Related Substances: <0.1%
Residue on Ignition: <0.1%
Heavy Metal: <1ppm
Valid Period: 24 months
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ProName: Vardenafil / levitra CAS 224789-15-5
CasNo: 224789-15-5
Molecular Formula: C23H33ClN6O4S
Appearance: Off white crystalline powder
Application: pharmaceutical industry
DeliveryTime: 2-3 days after payment
PackAge: (1). 1-10kg / foil bag (2). 25kg / d...
Port: SHANGHAI
ProductionCapacity: 1000 Kilogram/Month
Purity: 99%
Storage: Store in cool & dry place
Transportation: 1.Air Courier Express Door to Door Ser...
LimitNum: 1 Kilogram
Related Substances: <0.1%
Residue on Ignition: <0.1%
Heavy Metal: <1ppm
Valid Period: 24 months
vardenafil basic info
vardenafil |
|
cas: |
224789-15-5 |
assay: |
99% min. |
molecular formula: |
c22h30n6o4s |
molecular weight: |
474.58 |
mp : |
192°c |
packing: |
1kg net/foil bag, 5kg/drum. |
delivery: |
express courier. |
character: |
white or almost white solid, odorless, bitter astringent taste, insoluble in water and ethanol. |
categories: |
active pharmaceutical ingredients; miscellaneous biochemicals; erectile dysfunction. |
vardenafil description
vardenafil (inn) 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. 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 vardenafil. vardenafil's relatively short effective time is comparable to but somewhat longer than sildenafil's.
vardenafil applications
beyond its indications for erectile dysfunction, vardenafil may be effective in the treatment of premature ejaculation, where it may significantly increase the time from vaginal penetration to ejaculation.
vardenafil, as with all pde5 inhibitors, should not be used by men taking nitrate medications, because combining them with vardenafil might provoke potentially life-threatening hypotension (low blood pressure).
further, vardenafil causing lengthening of the qt interval. therefore it should not be taken by men taking other medications that affect the qt interval (such as amiodarone).
vardenafil coa
test items |
specification |
test results |
description |
white or almost white crystalline powder |
white crystalline powder |
melting point |
191.0~193.0ºc |
192° |
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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