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Tadalafil powder CAS 171596-29-5 Tadalafil Purity 99%

Reference FOB Price:USD 500-700/kg

  • Product Name Tadalafil
  • Appearance White crystalline powder
  • CAS No. 171596-29-5
  • Chemical Formula C22H19N3O4
  • Molecular Weight 389.404
  • Melting Point 298-300 ℃
  • Boiling Point 679.1 ℃
  • Density 1.51 g/cm³

Detailed Description

Tadalafil is a white to off-white crystalline powder.It is practically insoluble in water,exhibiting only slight solubility,and is sparingly soluble in alcohol.The pure substance is odorless and tasteless,presenting as a fine,crystalline powder.

Tadalafil's primary function is to treat erectile dysfunction by increasing blood flow to the penis during sexual stimulation.It achieves this by inhibiting the enzyme phosphodiesterase type 5(PDE5),which is responsible for the degradation of cyclic guanosine monophosphate(cGMP)in the corpus cavernosum of the penis.By inhibiting PDE5,tadalafil allows for prolonged vasodilation and increased blood flow,which helps men with erectile dysfunction to achieve and sustain an erection.Unlike other ED medications,tadalafil has a longer duration of action,with the effects often lasting up to 36 hours,earning it the nickname"the weekend pill."


Tadalafil is primarily indicated for the treatment of erectile dysfunction(ED)in adult males. It is available in tablet form for oral administration, in doses ranging from 2.5 mg to 20 mg, depending on the patient's needs and the condition being treated. The recommended starting dose for most patients is 10 mg, taken prior to anticipated sexual activity, and with or without food. The dose may be adjusted based on individual tolerance and response.In addition to its use for erectile dysfunction, tadalafil is also approved for the treatment of signs and symptoms of benign prostatic hyperplasia(BPH), a condition characterized by an enlarged prostate gland. When BPH is accompanied by erectile dysfunction, tadalafil can offer a dual benefit by addressing both conditions concurrently. 

Furthermore,tadalafil is utilized to manage pulmonary arterial hypertension(PAH)in both men and women. In this application, it helps to improve exercise capacity and delay clinical worsening of the disease.

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In conclusion, tadalafil is a white to off-white crystalline powder with limited solubility,primarily used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. As a PDE5 inhibitor,it facilitates increased blood flow to specific areas of the body, notably the penis, which enables improved erectile function. Additionally, its longer duration of action sets it apart from other medications in its class,providing flexibility and spontaneity for individuals seeking treatment for ED.



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