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Tadalafil

Catalog No. T1398 CAS 171596-29-5

Synonyms: Cialis, IC-351

Tadalafil is a carboline-based compound with vasodilatory activity. Tadalafil selectively inhibits the cyclic guanosine monophosphate (cGMP)-specific type 5 phosphodiesterase- (PDE-5)-mediated degradation of cGMP, which is found in the smooth muscle of the corpus cavernosa and corpus spongiosum of the penis. Inhibition of cGMP degradation by tadalafil results in prolonged muscle relaxation, vasodilation, and blood engorgement of the corpus cavernosa, and, so, prolonged penile erection.

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Tadalafil, CAS 171596-29-5

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Purity: 98%

Biological Description

Chemical Properties

Storage & Solubility Information

Description

Targets&IC50

PDE5:1.8 nM

Synonyms	Cialis, IC-351
Molecular Weight	389.4
Formula	C22H19N3O4
CAS No.	171596-29-5

Storage

Powder: -20°C for 3 years

In solvent: -80°C for 2 years

Solubility Information

DMSO: 38.9 mg/mL (100 mM)

( < 1 mg/ml refers to the product slightly soluble or insoluble )

References and Literature

1. Blount MA, et al. Mol Pharmacol, 2004, 66(1), 144-152. 2. Ring BJ, et al. Clin Pharmacol Ther, 2005, 77(1), 63-75. 3. Vignozzi L, et al. J Sex Med, 2006, 3(3), 419-431. 4. Zhang L, et al. Brain Res, 2006, 1118(1), 192-198. 5. Lysiak JJ, et al. J Urol, 2008, 179(2), 779-785.

Dose Conversion

You can also refer to dose conversion for different animals. More

In vivo Formulation Calculator (Clear solution)

Step One: Enter information below

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Step Two: Enter the in vivo formulation

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Calculation results:

Working concentration: mg/ml;

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 add μL PEG300， mix and clarify, next add μL Tween 80，mix and clarify, next add μL ddH₂O, mix and clarify.

Note:

Be sure to add the solvent(s) in order. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.

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Molarity Calculator

Dilution Calculator

Reconstitution Calculation

Molecular Weight Calculator

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Molarity Calculator allows you to calculate the

Mass of a compound required to prepare a solution of known volume and concentration
Volume of solution required to dissolve a compound of known mass to a desired concentration
Concentration of a solution resulting from a known mass of compound in a specific volume

See Example

An example of a molarity calculation using the molarity calculator
What is the mass of compound required to make a 10 mM stock solution in 10 ml of water given that the molecular weight of the compound is 197.13 g/mol?
Enter 197.13 into the Molecular Weight (MW) box
Enter 10 into the Concentration box and select the correct unit (millimolar)
Enter 10 into the Volume box and select the correct unit (milliliter)
Press calculate
The answer of 19.713 mg appears in the Mass box

Concentration (Start)

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Concentration (End)

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Calculator the dilution required to prepare a stock solution

Calculate the dilution required to prepare a stock solution
The dilution calculator is a useful tool which allows you to calculate how to dilute a stock solution of known concentration. Enter C1, C2 & V2 to calculate V1.

See Example

An example of a dilution calculation using the Tocris dilution calculator
What volume of a given 10 mM stock solution is required to make 20ml of a 50 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=50 μM, V2=20 ml and V1 is the unknown:
Enter 10 into the Concentration (start) box and select the correct unit (millimolar)
Enter 50 into the Concentration (final) box and select the correct unit (micromolar)
Enter 20 into the Volume (final) box and select the correct unit (milliliter)
Press calculate
The answer of 100 microliter (0.1 ml) appears in the Volume (start) box

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Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

Molecule Formula

Molecular Weight g/mol

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Tip: Chemical formula is case sensitive: C10H16N2O2 c10h16n2o2

Instructions to calculate molar mass (molecular weight) of a chemical compound:
To calculate molar mass of a chemical compound, please enter its chemical formula and click 'Calculate'.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed n the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

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Tech Support

Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc.

Keywords

Tadalafil 171596-29-5 Apoptosis Metabolism PDE Cialis IC-351 IC351 IC 351 Inhibitor inhibit Phosphodiesterase (PDE) inhibitor

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