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(S)-Tenofovir

Alias: (S)-GS 1278; (S)-PMPA; (S)-(((1-(6-Amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonic acid; (S)-Tenofovir; (S)-PMPA; [(2S)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethylphosphonic acid; ({[(2S)-1-(6-amino-9H-purin-9-yl)propan-2-yl]oxy}methyl)phosphonic acid; (S)-9-(2-Phosphonylmethoxypropyl)adenine; Phosphonic acid, P-[[(1S)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]-; (S)-TDF
Cat No.:V40146 Purity: ≥98%
(S)-Tenofovir [known also as (S)-GS 1278], the S-enantiomer of Tenofovir and a less active isomer,is a nucleotide reverse transcriptase inhibitor to treat HIV and chronic Hepatitis B (HBV).
(S)-Tenofovir
(S)-Tenofovir Chemical Structure CAS No.: 147127-19-3
Product category: HIV
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
50mg
100mg
250mg
Other Sizes

Other Forms of (S)-Tenofovir:

  • Tenofovir diphosphate (TFV-DP)
  • Tenofovir Disoproxil Fumarate (Tenofovir DF)
  • Tenofovir hydrate (GS 1278)
  • Tenofovir maleate (GS 1278)
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
(S)-Tenofovir [known also as (S)-GS 1278], the S-enantiomer of Tenofovir and a less active isomer, is a nucleotide reverse transcriptase inhibitor to treat HIV and chronic Hepatitis B (HBV). Tenofovir (formerly also known as GS-1278; PMPA; TDF) is an approved anti-HIV drug that blocks reverse transcriptase and hepatitis B virus infections. Tenofovir is an antiretroviral medication used to prevent and treat HIV/AIDS and to treat chronic hepatitis B. Tenofovir reduces the viral cytopathic effect of HIV-1(IIIB), HIV-2(ROD) and HIV(EHO) with EC50 of 1.15 μg/mL, 1.12 μg/mL and 1.05 μg/mL in MT-4 cells. Tenofovir also reduces the viral cytopathic effect of SIV(mac251) , SIV(B670) ,SHIV(89.6) and SHIV(RTSHIV). Tenofovir is the active substance of tenofovir disoproxil which is a prodrug that is used because of its better absorption in the gut.
Biological Activity I Assay Protocols (From Reference)
Targets
HBV; nucleotide reverse transcriptase
ln Vitro
Tenofovir (TFV) is an antiviral drug approved for treating Human Immunodeficiency Virus (HIV) and Hepatitis B. TFV is administered orally as the prodrug tenofovir disoproxil fumarate (TDF) which then is deesterified to the active drug TFV. TFV induces nephrotoxicity characterized by renal failure and Fanconi Syndrome. The mechanism of this toxicity remains unknown due to limited experimental models. This study investigated the cellular mechanism of cytotoxicity using a human renal proximal tubular epithelial cell line (HK-2). HK-2 cells were grown for 48 h followed by 24 to 72 h exposure to 0-28.8 μM TFV or vehicle, phosphate buffered saline (PBS). MTT (MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide) and Trypan blue indicated that TFV diminished cell viability at 24-72 h. TFV decreased ATP levels at 72 h when compared to vehicle, reflecting mitochondrial dysfunction. TFV increased the oxidative stress biomarkers of protein carbonylation and 4-hydroxynonenol (4-HNE) adduct formation. Tumor necrosis factor alpha (TNFα) was released into the media following exposure to 14.5 and 28.8 μM TFV. Caspase 3 and 9 cleavage was induced by TFV compared to vehicle at 72 h. These studies show that HK-2 cells are a sensitive model for TFV cytotoxicity and suggest that mitochondrial stress and apoptosis occur in HK-2 cells treated with TFV[1].
References

[1]. Establishment of HK-2 Cells as a Relevant Model to Study Tenofovir-Induced Cytotoxicity. Int J Mol Sci. 2017 Mar 1;18(3).

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H14N5O4P
Molecular Weight
287.21
Exact Mass
287.078
Elemental Analysis
C, 37.64; H, 4.91; N, 24.38; O, 22.28; P, 10.78
CAS #
147127-19-3
Related CAS #
Tenofovir diphosphate;166403-66-3; Tenofovir Disoproxil fumarate;202138-50-9;Tenofovir hydrate;206184-49-8;Tenofovir diphosphate;166403-66-3;Tenofovir maleate;1236287-04-9
PubChem CID
122767
Appearance
Typically exists as White to off-white solids at room temperature
Density
1.79g/cm3
Boiling Point
616.1ºC at 760mmHg
Flash Point
326.4ºC
Vapour Pressure
4.92E-16mmHg at 25°C
Index of Refraction
1.739
LogP
0.53
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
5
Heavy Atom Count
19
Complexity
354
Defined Atom Stereocenter Count
1
SMILES
P(C([H])([H])O[C@@]([H])(C([H])([H])[H])C([H])([H])N1C([H])=NC2=C(N([H])[H])N=C([H])N=C12)(=O)(O[H])O[H]
InChi Key
SGOIRFVFHAKUTI-LURJTMIESA-N
InChi Code
InChI=1S/C9H14N5O4P/c1-6(18-5-19(15,16)17)2-14-4-13-7-8(10)11-3-12-9(7)14/h3-4,6H,2,5H2,1H3,(H2,10,11,12)(H2,15,16,17)/t6-/m0/s1
Chemical Name
[(2S)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethylphosphonic acid
Synonyms
(S)-GS 1278; (S)-PMPA; (S)-(((1-(6-Amino-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonic acid; (S)-Tenofovir; (S)-PMPA; [(2S)-1-(6-aminopurin-9-yl)propan-2-yl]oxymethylphosphonic acid; ({[(2S)-1-(6-amino-9H-purin-9-yl)propan-2-yl]oxy}methyl)phosphonic acid; (S)-9-(2-Phosphonylmethoxypropyl)adenine; Phosphonic acid, P-[[(1S)-2-(6-amino-9H-purin-9-yl)-1-methylethoxy]methyl]-; (S)-TDF
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~5 mg/mL (~17.41 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 0.5 mg/mL (1.74 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 5.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 0.5 mg/mL (1.74 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 5.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 0.5 mg/mL (1.74 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 5.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 3.4818 mL 17.4089 mL 34.8177 mL
5 mM 0.6964 mL 3.4818 mL 6.9635 mL
10 mM 0.3482 mL 1.7409 mL 3.4818 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in 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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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

Biological Data
  • Tenofovir cytotoxic effects on cell viability in HK-2 cells using MTT (MTT, 3-(4,5-dimethylthiazol-2-yl)-2,5-Diphenyltetrazolium Bromide). [1].Int J Mol Sci. 2017 Mar 1;18(3).
  • Tenofovir cytotoxic effects on cell viability in HK-2 cells using Trypan Blue Exclusion. [1].Int J Mol Sci. 2017 Mar 1;18(3).
  • Tenofovir effects on ATP levels in HK-2 cells. [1].Int J Mol Sci. 2017 Mar 1;18(3).
  • Tenofovir treatment for 72 h increased protein carbonylation in HK-2 cells.[1].Int J Mol Sci. 2017 Mar 1;18(3).
  • Tenofovir effects on 4-HNE adduct formation in HK-2 cells. [1].Int J Mol Sci. 2017 Mar 1;18(3).
  • TNFα expression in HK-2 cell lysate and media following tenofovir exposure.[1].Int J Mol Sci. 2017 Mar 1;18(3).
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