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Sildenafil mesylate

Catalog No.GC15037

PDE5 inhibitor

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Sildenafil mesylate Chemical Structure

Cas No.: 1308285-21-3

Size Price Stock Qty
25mg
$37.00
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50mg
$59.00
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500mg
$321.00
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Sample solution is provided at 25 µL, 10mM.

Product Documents

Quality Control & SDS

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Background

IC50: 3.5 nM

Sildenafil mesylate is an inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5).

PDE5 is the predominant phosphodiesterase in the corpus cavernosum. The catalytic site of PDE5 degrades cGMP, and PDE5 inhibitors can potentiate endogenous increases in cGMP.

In vitro: Sildenafil mesylate had been identified as a potent PDE5 reversible and selective inhibitor. Sildenafil enhanced sodium nitroprusside- or transmural electrical stimulation-induced relaxation of precontracted corpus cavernosum muscle strips in organ baths. Sildenafil also increased intracellular cGMP concentrations in cultured smooth muscle cells treated with sodium nitroprusside [1].

In vivo: In anesthetized dogs, sildenafil could enhance the erectile function following pelvic nerve stimulation as measured by increased intracavernosal pressure [1].

Clinical trial: Ten previous randomised controlled trials had been conducted. Dose optimisation resulted in >60% of attempts at sexual intercourse, which was successful in 49% of men. Sildenafil treatment related adverse events occurred in 30% of men compared with 11% on placebo. Dose optimisation of sildenafil showed efficacy equivalent to the highest fixed doses, and adverse events equivalent to the lowest fixed doses [2].

References:
[1] Nehra A,Colreavy F,Khandheria BK,Chandrasekaran K.  Sildenafil citrate, a selective phosphodiesterase type 5 inhibitor: urologic and cardiovascular implications. World J Urol.2001 Feb;19(1):40-5.
[2] Moore RA,Edwards JE,McQuay HJ.  Sildenafil (Viagra) for male erectile dysfunction: a meta-analysis of clinical trial reports. BMC Urol.2002 May 22;2:6.

Chemical Properties

Cas No. 1308285-21-3 SDF
Chemical Name 5-(2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one methanesulfonate
Canonical SMILES CCCC(C(N=C(N1)C2=C(OCC)C=CC(S(N3CCN(CC3)C)(=O)=O)=C2)=C4C1=O)=NN4C.CS(O)(=O)=O
Formula C23H34N6O7S2 M.Wt 570.68
Solubility ≥ 57.1mg/mL in DMSO Storage Store at -20°C
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.

Complete Stock Solution Preparation Table

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1 mg 5 mg 10 mg
1 mM 1.7523 mL 8.7615 mL 17.523 mL
5 mM 0.3505 mL 1.7523 mL 3.5046 mL
10 mM 0.1752 mL 0.8761 mL 1.7523 mL
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.
3. All of the above co-solvents are available for purchase on the GlpBio website.

Reviews

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Average Rating: 5 ★★★★★ (Based on Reviews and 37 reference(s) in Google Scholar.)

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