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Atorvastatin Sodium

Cat No.:V11853 Purity: ≥98%
Atorvastatin sodium (Tozalip; Torvast; Cardyl; CI-981; CI981; liptonorm), the sodium salt of Atorvastatin which is a stastin class of LDL cholesterol-lowering/hypolipidemic drug, is a potent and selectiveinhibitor of HMG-CoA reductase.
Atorvastatin Sodium
Atorvastatin Sodium Chemical Structure CAS No.: 134523-01-6
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
10mg
Other Sizes

Other Forms of Atorvastatin Sodium:

  • Atorvastatin Calcium
  • Atorvastatin calcium trihydrate (CI981; liptonorm)
  • Atorvastatin
  • Atorvastatin magnesium
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description

Atorvastatin sodium (Tozalip; Torvast; Cardyl; CI-981; CI981; liptonorm), the sodium salt of Atorvastatin which is a stastin class of LDL cholesterol-lowering/hypolipidemic drug, is a potent and selective inhibitor of HMG-CoA reductase. Atorvastatin isthe best-selling drug in the history of pharmaceuticals with a total of around US$130 billion for Pfizer during its 14 years on the market, making it the world's bestselling drug of all time. It acts by blocking the production of cholesterol. Atorvastatin is used primarily for lowering blood cholesterol and for prevention of events associated with cardiovascular disease.

Biological Activity I Assay Protocols (From Reference)
ln Vitro
Following myocardial infarction, atorvastatin sodium decreases the expression of GRP78, caspase-12, and CHOP in cardiomyocytes and stimulates the endoplasmic reticulum (ER) in response to angiotensin II (Ang II) stimulation and heart failure. \sup>[4].
ln Vivo
Atorvastatin (20–30 mg/kg; once daily; intracavitary gavage; 28 days; ApoE−/− mice) sodium significantly decreases arthritic cell number, endoplasmic reticulum (ER) protein signaling, and pro-inflammatory cytokines like IL-6, IL-8, and IL-1β were significantly inhibited after treatment with Ang II atorvastatin sodium [5].
References

[1]. Br J Pharmacol. 2006 Sep;149(1):14-22.

[2]. Comparison of the efficacies of five different statins on inhibition of human saphenous vein smooth muscle cell proliferation and invasion. J Cardiovasc Pharmacol. 2007 Oct;50(4):458-61.

[3]. Reduction of LDL cholesterol by 25% to 60% in patients with primary hypercholesterolemia by atorvastatin, a new HMG-CoA reductase inhibitor. Arterioscler Thromb Vasc Biol, 1995. 15(5): p. 678-82.

[4]. Atorvastatin inhibits myocardial cell apoptosis in a rat model with post-myocardial infarction heart failure by downregulating ER stress response. Int J Med Sci. 2011;8(7):564-72.

[5]. Inhibition of endoplasmic reticulum stress signaling pathway: A new mechanism of statins to suppress the development of abdominal aortic aneurysm. PLoS One. 2017 Apr 3;12(4):e0174821.

[6]. Atorvastatin induces autophagy in MDA-MB-231 breast cancer cells. Ultrastruct Pathol. Sep-Oct 2018;42(5):409-415.

Additional Infomation
Atorvastatin Sodium is the sodium salt of atorvastatin, a synthetic lipid-lowering agent. Atorvastatin competitively inhibits hepatic hydroxymethyl-glutaryl coenzyme A (HMG-CoA) reductase, the enzyme which catalyzes the conversion of HMG-CoA to mevalonate, a key step in cholesterol synthesis. This agent increases the number of LDL receptors on hepatic cell surfaces, enhancing the uptake and catabolism of LDL and reducing LDL production and the number of LDL particles, and lowers plasma cholesterol and lipoprotein levels. Like other statins, atorvastatin may also display direct antineoplastic activity, possibly by inhibiting farnesylation and geranylgeranylation of proteins such as small GTP-binding proteins, which may result in the arrest of cells in the G1 phase of the cell cycle. This agent may also sensitize tumor cells to cyctostatic drugs, possibly through the mTOR-dependent inhibition of Akt phosphorylation.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C33H34FN2NAO5
Molecular Weight
580.62
Exact Mass
580.234
CAS #
134523-01-6
Related CAS #
134523-03-8 (calcium);344423-98-9 (calcium trihydrate);134523-00-5 (free acid);134523-01-6 (sodium); 874114-41-7 (magnesium);
PubChem CID
23665101
Appearance
Typically exists as solid at room temperature
Density
1.2±0.1 g/cm3
Boiling Point
722.2±60.0ºC at 760 mmHg
Flash Point
390.6±32.9ºC
LogP
5.051
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
6
Rotatable Bond Count
12
Heavy Atom Count
42
Complexity
829
Defined Atom Stereocenter Count
2
SMILES
[Na+].O=C(C[C@@H](C[C@@H](CCN1C(C(C)C)=C(C(NC2=CC=CC=C2)=O)C(C2=CC=CC=C2)=C1C1=CC=C(F)C=C1)O)O)[O-]
InChi Key
VVRPOCPLIUDBSA-CNZCJKERSA-M
InChi Code
InChI=1S/C33H35FN2O5.Na/c1-21(2)31-30(33(41)35-25-11-7-4-8-12-25)29(22-9-5-3-6-10-22)32(23-13-15-24(34)16-14-23)36(31)18-17-26(37)19-27(38)20-28(39)40;/h3-16,21,26-27,37-38H,17-20H2,1-2H3,(H,35,41)(H,39,40);/q;+1/p-1/t26-,27-;/m1./s1
Chemical Name
sodium;(3R,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoate
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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.7223 mL 8.6115 mL 17.2230 mL
5 mM 0.3445 mL 1.7223 mL 3.4446 mL
10 mM 0.1722 mL 0.8611 mL 1.7223 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
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  • 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
  • Effect of atorvastatin (ATV) on hypernociception induced by LPS or antigen challenge. (a) The mice were pretreated for 3 consecutive days with ATV (1, 3, 10, 30 and 90 mg kg−1 p.o.) or PBS, once a day. The last dose of ATV was administered 2 h before i.pl injection of LPS (100 ng paw−1, 25 μl) or saline. (b) Mice were pretreated for 1, 2 or 3 consecutive days with ATV (30 mg kg−1 p.o.) or PBS once a day. Two hours after last the dose of ATV, LPS (100 ng paw−1) or saline were i.pl injected. (c) Sensitized mice (Im.) were pretreated for 3 consecutive days with ATV (30 mg kg−1 p.o.) or PBS once a day. The last dose was administered 2 h before antigen challenge. Results from the false immunized mice are shown as the F.I group. In all panels, the mechanical hypernociception was determined at fixed times between 0.5 and 24 h after stimulus injection. The results are expressed as the mean±s.e.m. of five animals per group. The withdrawal threshold base line of the animals pretreated for 3 days with PBS before the i.pl injection of the hypernociceptive stimuli was 9.8±0.10 g (n=10). *Significant difference compared with the paws injected with saline and **with PBS-treated group (P<0.05).[4]. Atorvastatin inhibits myocardial cell apoptosis in a rat model with post-myocardial infarction heart failure by downregulating ER stress response. Int J Med Sci. 2011;8(7):564-72.
  • Effect of atorvastatin (ATV) on BK, TNF-α, IL-1β-, keratinocyte-derived chemokine (KC)- and PGE2-induced hypernociception. The animals were pretreated for 3 days with ATV (30 mg kg−1 p.o.) once a day. The last dose was administered 2 h before injection of the hypernociceptive stimuli. Mechanical hypernociception was determined 3 h after stimulus injection. *Statistically significant difference compared with the paws injected with saline and **with PBS pretreated group (P<0.05).[4]. Atorvastatin inhibits myocardial cell apoptosis in a rat model with post-myocardial infarction heart failure by downregulating ER stress response. Int J Med Sci. 2011;8(7):564-72.
  • Effect of NO synthesis inhibition on atorvastatin (ATV)-induced antinociception. The antinociceptive effect of ATV (30 mg kg−1 p.o.) was determined in animals pretreated with L-NAME (90 mg kg−1 i.p.), L-NMMA (90 mg kg−1 i.p.), 1400W (1.5 mg kg−1 i.v.) and in iNOS-deficient (−/−) mice. Mechanical hypernociception was assessed 3 h after injection of LPS (a) (100 ng paw−1) or PGE2 (b) (100 ng paw−1). The results are expressed as the mean±s.e.m. of five animals per group. *Statistically significant difference compared with the paws injected with saline and **with PBS-treated group and #with ATV-pretreated group (P<0.05).[4]. Atorvastatin inhibits myocardial cell apoptosis in a rat model with post-myocardial infarction heart failure by downregulating ER stress response. Int J Med Sci. 2011;8(7):564-72.
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