Sildenafil citrate


Sildenafil citrate

CAS: 171599-83-0

Assay: 99% min. USP32

Packing: 1kg/foil bag, 5kg/drum.

Delivery: Express courier.

MF: C28H38N6O11S

MW: 666.7

Character: White Solid. mp 187-189°C

Usage: An orally active selective type 5 cGMP phosphodiesterase inhibitor. pharmaceutical material

Biological Activity: Orally active, potent inhibitor of phosphodiesterase 5 (PDE5) (IC 50 = 4 nM). Enhances nitric oxide-dependent relaxation of human corpus cavernosum in vitro . 

Description:
 
Tadalafil improves erectile function significantly, possibly increase testosterone through increased sexual activity, and is very safe.Although and tadalafil all work by inhibiting PDE5, tadalafil's pharmacologic distinction is its longer half-life (17.50 hours) - compared to sildenafil (4.0-5.0 hours) and vardenafil (4.0-5.0 hours) - resulting in longer duration of action, and so partly responsible for "The Weekend Pill" sobriquet. Furthermore, the longer half-life is the basis for current investigation of tadalafil's daily therapeutic use in relieving pulmonary arterial hypertension. approved in several world regions as a thrice-daily therapy for pulmonary arterial hypertension.
It is in a class of drugs called phosphodiesterase-5 (PDE5) inhibitors that also includes vardenafil . Erection of the penis is caused by the filling of the penis with blood. Most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoke or are over 50 years old. Stop using tadalafil and get emergency medical help if you have sudden vision loss.
Specifications:
 


Test Items 
Specification 
Test Results

Appearance 
White powder 
Conforms

Test method 
High pressure liquid chromatography(HPLC) 
Conforms

Melting Point 
300ºC~303ºC 
301.5ºC-302.6ºC

Loss on drying 
≤0.5% 
0.24%

Heavy metals(Pb) 
≤20ppm 
7.5ppm

Residue on ignition 
≤0.1% 
0.08%

Relative substance 
≤1.0% 
0.145%

Assay (on dried basis) 
≥98.5% 
99.33%

Conclusion 
The product conform to USP 32.


Steroid Hormone Powder:
Semi-finished Injectable / Oral steroids:
Test prop-----------100mg/ml 200mg/ml
Test enan-----------250mg/ml 300mg/ml 400mg/ml 500mg/ml 600mg/ml
Test cyp------------200mg/ml 250mg/ml 300mg/ml
Test Sustanon-------200mg/ml 250mg/ml 300mg/ml 400mg/ml
Deca----------------200mg/ml 250mg/ml
Equipoise-----------200mg/ml 300mg/ml
Tren ace------------100mg/ml 200mg/ml
Tren enan-----------100mg/ml 200mg/ml
Dianabol------------50mg/ml
Winstrol------------50mg/ml
Masteron------------100mg/ml 150mg/ml
Primobolone---------100mg/ml
Supertest-----------450mg/ml
Anomass ------------400mg/ml
Ripex---------------225mg/ml
Tritren-------------180mg/ml
Tri Test------------300mg/ml
Tri Deca------------300mg/ml
Test Blend----------450mg/ml 500mg/ml
Nandro Test---------225mg/ml
Mass----------------500mg/ml
Cut Depot-----------400mg/ml
Tren Test-----------225mg/ml
Nandro Test Depot---------450mg/ml
Equi Test-----------------450mg/ml
Rip Cut-------------------175mg/ml
Tren Test Depot-----------450mg/ml



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