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Amlodipine mesylate

Alias: Amlodis Amlor, Coroval Lipinox NorvascAmvaz
Cat No.:V11167 Purity: ≥98%
Amlodipine mesylate (Amlodis; Amlor, Coroval; Lipinox; Norvasc; Amvaz), the mesylate salt of Amlodipine, is an approved anti-hypertensive drug of the dihydropyridine (DHP) class used for lowering blood pressure.
Amlodipine mesylate
Amlodipine mesylate Chemical Structure CAS No.: 246852-12-0
Product category: Calcium Channel
This product is for research use only, not for human use. We do not sell to patients.
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2g
5g
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Other Forms of Amlodipine mesylate:

  • Amlodipine (UK-48340; Norvasc)
  • Amlodipine maleate
  • Amlodipine Besylate (Norvasc)
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Amlodipine mesylate (Amlodis; Amlor, Coroval; Lipinox; Norvasc; Amvaz), the mesylate salt of Amlodipine, is an approved anti-hypertensive drug of the dihydropyridine (DHP) class used for lowering blood pressure. It acts as a long-acting L-type calcium channel blocker (CCB).
Amlodipine mesylate (CAS 246852-12-0) is the mesylate salt form of amlodipine, a long-acting dihydropyridine calcium channel blocker. It is an antianginal agent and an orally active drug that works by blocking the voltage-dependent L-type calcium channels, thereby inhibiting the initial influx of calcium. Amlodipine mesylate is a white crystalline powder that is soluble in water and ethanol and is commonly used to treat hypertension and angina.
Biological Activity I Assay Protocols (From Reference)
Targets
Amlodipine mesylate targets voltage-dependent L-type calcium channels, which are present in vascular smooth muscle and cardiac muscle. By blocking these channels, it inhibits the influx of calcium ions into cells, leading to vasodilation and reduced peripheral vascular resistance. This mechanism results in a decrease in blood pressure and an increase in oxygen supply to the heart muscle, making it effective for treating hypertension and angina pectoris.
ln Vitro
BrdU incorporation rates in A431 cells were lowered by amlodipine mesylate (20–40 μM; 48 hours) to 68.6% and 26.3%, respectively, at doses of 20 and 30 μM [3]. Amlodipine mesylate (30 μM; 1 hour pretreatment) dramatically reduced the rise in [Ca2+]i in A431 cells caused by uridine 5'-triphosphate (UTP) [3]. In Fluo-3-loaded cells, amlodipine mesylate (30 μM) suppresses Thapsigargin-induced store-operated Ca2+ influx [3].
In vitro, amlodipine mesylate acts as a calcium channel blocker, inhibiting the voltage-dependent L-type calcium channels. Its activity is typically assessed using patch-clamp electrophysiology or calcium flux assays in cell lines expressing these channels. The compound demonstrates potent inhibition of calcium influx, which correlates with its vasodilatory and antihypertensive effects. It has a molecular formula of C21H29ClN2O8S and a molecular weight of 504.98.
ln Vivo
Amlodipine mesylate (5 mg/kg/day; subcutaneous injection for 2 weeks) can dramatically reduce systolic blood pressure (SBP) in VSMC ATP2B1 KO mice [4]. Amlodipine mesylate (10 mg/kg; intraperitoneally given once daily for 20 days) can considerably decrease tumor growth and lengthen the longevity of A431 tumor-bearing mice [3].
In vivo, amlodipine mesylate is an orally active antihypertensive and antianginal agent. It is used for the treatment of hypertension and angina pectoris. Studies have shown that it significantly decreases blood pressure. It can also be used to study hypertension and cancer. Its long half-life supports once-daily dosing, and it is effective in reducing blood pressure over a 24-hour period.
Enzyme Assay
The in vitro receptor binding/functional assay for amlodipine mesylate typically involves measuring its ability to inhibit calcium influx through L-type calcium channels. These assays can be performed using patch-clamp techniques on cells expressing the channels or using fluorescent calcium indicators to measure intracellular calcium levels. The compound's potency (IC50) is determined from concentration-response curves. Its selectivity can be assessed by testing against other ion channels.
Cell Assay
In vitro cellular assays for amlodipine mesylate assess its effects on calcium signaling and cell function. Vascular smooth muscle cells or cardiac myocytes are treated with the compound, and intracellular calcium levels are measured using fluorescent dyes. Its effects on cell proliferation, migration, or contraction can also be assessed. These assays demonstrate the compound's functional activity as a calcium channel blocker in a relevant cellular context.
Animal Protocol
Animal/Disease Models: ATP2B1loxP/loxP mice [4]
Doses: 5 mg/kg/day
Route of Administration: subcutaneously (sc) (sc) implanted osmotic pump for 2 weeks
Experimental Results: Dramatically lowered blood pressure.
In vivo animal studies for amlodipine mesylate have been conducted in various animal models of hypertension. In one study, it was administered subcutaneously via an implanted osmotic pump at a dose of 5 mg/kg/day for 2 weeks, resulting in a significant decrease in blood pressure. Other studies have evaluated its effects on cardiac function, vascular remodeling, and renal protection in hypertensive animal models.
ADME/Pharmacokinetics
Pharmacokinetic data for amlodipine mesylate indicate that it is well-absorbed after oral administration with high bioavailability and a long half-life, supporting once-daily dosing. It is extensively metabolized in the liver and excreted primarily in urine. Its pharmacokinetic profile is similar to that of amlodipine besilate, with a slow onset and long duration of action, making it suitable for chronic use in hypertension and angina.
Toxicity/Toxicokinetics
Amlodipine mesylate is generally well-tolerated, with a safety profile similar to other dihydropyridine calcium channel blockers. Common adverse effects include peripheral edema, headache, dizziness, and flushing. It should be used with caution in patients with severe hepatic impairment. Its safety has been established through extensive clinical use for hypertension and angina pectoris.
References

[1]. Amlodipine.

[2]. Amlodipine. A reappraisal of its pharmacological properties and therapeutic use in cardiovascular disease [published correction appears in Drugs 1995 Nov;50(5):896]. Drugs. 1995;50(3):560-586.

[3]. Antitumor effects of amlodipine, a Ca2+ channel blocker, on human epidermoid carcinoma A431 cells in vitro and in vivo. Eur J Pharmacol. 2004 May 25;492(2-3):103-12.

[4]. The effects of anti-hypertensive drugs and the mechanism of hypertension in vascular smooth muscle cell-specific ATP2B1 knockout mice. Hypertens Res. 2018 Feb;41(2):80-87.

Additional Infomation
Amlodipine mesylate (CAS 246852-12-0) is an orally active dihydropyridine calcium channel blocker used for the treatment of hypertension and angina. It works by blocking voltage-dependent L-type calcium channels, inhibiting calcium influx. It has a molecular formula of C21H29ClN2O8S and a molecular weight of 504.98. It can also be used to study hypertension and cancer. It is available as a prescription medication.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C21H29CLN2O8S
Molecular Weight
504.97
Exact Mass
504.133
CAS #
246852-12-0
Related CAS #
Amlodipine;88150-42-9;Amlodipine maleate;88150-47-4;Amlodipine besylate;111470-99-6
PubChem CID
10300874
Appearance
Typically exists as solid at room temperature
LogP
3.88
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
10
Rotatable Bond Count
10
Heavy Atom Count
33
Complexity
739
Defined Atom Stereocenter Count
0
SMILES
ClC1=C([H])C([H])=C([H])C([H])=C1C1([H])C(C(=O)OC([H])([H])[H])=C(C([H])([H])[H])N([H])C(C([H])([H])OC([H])([H])C([H])([H])N([H])[H])=C1C(=O)OC([H])([H])C([H])([H])[H].S(C([H])([H])[H])(=O)(=O)O[H]
InChi Key
MUVFCHUBATVFPP-UHFFFAOYSA-N
InChi Code
InChI=1S/C20H25ClN2O5.CH4O3S/c1-4-28-20(25)18-15(11-27-10-9-22)23-12(2)16(19(24)26-3)17(18)13-7-5-6-8-14(13)211-5(2,3)4/h5-8,17,23H,4,9-11,22H2,1-3H31H3,(H,2,3,4)
Chemical Name
3-ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate methanesulfonate
Synonyms
Amlodis Amlor, Coroval Lipinox NorvascAmvaz
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 1.9803 mL 9.9016 mL 19.8032 mL
5 mM 0.3961 mL 1.9803 mL 3.9606 mL
10 mM 0.1980 mL 0.9902 mL 1.9803 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

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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?
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  • 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:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

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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:
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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.

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