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Allisartan Isoproxil

Cat No.:V10806 Purity: ≥98%
Allisartan isoproxil (ALS-3) is an orally bioactive, selective, non-peptide inhibitor of the angiotensin II type 1 receptor (Angiotensin II Type 1).
Allisartan Isoproxil
Allisartan Isoproxil Chemical Structure CAS No.: 947331-05-7
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Allisartan isoproxil (ALS-3) is an orally bioactive, selective, non-peptide inhibitor of the angiotensin II type 1 receptor (Angiotensin II Type 1). Allisartan isoproxil is also a blood pressure lowering agent. Allisartan isoproxil may inhibit the angiotensin-aldosterone system and oxidative stress. Allisartan isoproxil lowers blood pressure and protects organs from cerebrovascular damage. Allisartan isoproxil (80-320 mg/kg/d) exhibited toxicity in rat models by targeting the liver organ.
Biological Activity I Assay Protocols (From Reference)
ln Vivo
The absorption mechanism of allisartan medoxomil is relatively easy. Allisartan medoxomil is entirely and directly transformed into EXP-3174 by esterase during the gastrointestinal absorption process [1]. Allisartan medoxomil (20, 80, and 320 mg/kg; interface; 26 weeks) decreases Sprague-Dawley weight growth at dosages of 80 to 320 mg/kg/day [1]. Allisartan isoproxil (30 mg/kg/day; lateral wall; 55 weeks) effectively lowers stroke susceptibility to renovascular hypertension
Animal Protocol
Animal/Disease Models: Female and male SD (SD (Sprague-Dawley)) rats [1] Doses: 20, 80, and 320 mg/ kg dosing:
Experimental Results: diminished body weight gain (RHR-SP) and increased lifespan at 320 mg [2]. The dose for both sexes is /kg/day, and for women the dose is 80 mg/kg/day. At 80 and 320 mg/kg/day, men had diminished red blood cell parameters, diminished heart weight, and increased chronic progressive nephropathy (CPN) severity.
References

[1]. A 26-week repeated-dose toxicity study of allisartan isoproxil in Sprague-Dawley rats. Drug Chem Toxicol. 2013 Oct;36(4):443-50.

[2]. Allisartan isoproxil reduces mortality of stroke-prone rats and protects against cerebrovascular, cardiac, and aortic damage. Acta Pharmacol Sin. 2021 Jun;42(6):871-884.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C27H29CLN6O5
Molecular Weight
553.009364843369
Exact Mass
552.188
CAS #
947331-05-7
PubChem CID
24748496
Appearance
White to off-white solid powder
Density
1.4±0.1 g/cm3
Boiling Point
745.0±70.0 °C at 760 mmHg
Flash Point
404.3±35.7 °C
Vapour Pressure
0.0±2.5 mmHg at 25°C
Index of Refraction
1.635
LogP
6.19
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
9
Rotatable Bond Count
14
Heavy Atom Count
39
Complexity
786
Defined Atom Stereocenter Count
0
InChi Key
XMHJQQAKXRUCHI-UHFFFAOYSA-N
InChi Code
InChI=1S/C27H29ClN6O5/c1-4-5-10-22-29-24(28)23(26(35)37-16-38-27(36)39-17(2)3)34(22)15-18-11-13-19(14-12-18)20-8-6-7-9-21(20)25-30-32-33-31-25/h6-9,11-14,17H,4-5,10,15-16H2,1-3H3,(H,30,31,32,33)
Chemical Name
propan-2-yloxycarbonyloxymethyl 2-butyl-5-chloro-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]imidazole-4-carboxylate
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

Note: This product requires protection from light (avoid light exposure) during transportation and storage.
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 : ~100 mg/mL (~180.83 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (4.52 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 25.0 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: ≥ 2.5 mg/mL (4.52 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 25.0 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 1.8083 mL 9.0414 mL 18.0829 mL
5 mM 0.3617 mL 1.8083 mL 3.6166 mL
10 mM 0.1808 mL 0.9041 mL 1.8083 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:

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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

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
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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.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT06465264 Completed Drug: Allisartan Isoproxil/Amlodipine group 1
Drug: Amlodipine group 1
Drug: Allisartan Isoproxil/Amlodipine group 2
Drug: Allisartan Isoproxil group 2
Essential Hypertension Shenzhen Salubris Pharmaceuticals Co., Ltd. 2021-04-29 Phase 3
NCT06500689 Completed Drug: Allisartan Isoproxil/Sustained-Release Indapamide
Drug: Allisartan Isoproxil
Essential Hypertension Shenzhen Salubris Pharmaceuticals Co., Ltd. 2021-12-30 Phase 3
NCT02893358 Unknown status Drug: Allisartan Isoproxil
Drug: Placebo
Masked Hypertension Yan Li 2017-02-14 Phase 4
NCT04978649 Withdrawn Drug: Allisartan Isoproxil
Drug: Amlodipine
Blood Pressure
Diabetes Mellitus, Type 2
Guangdong Provincial People's Hospital 2021-09-01 Phase 4
NCT04111419 Recruiting Drug: Amlodipine/Atorvastatin 5 Mg-20 Mg ORAL TABLET
Drug: Amlodipine/Atorvastatin 5 Mg-10 Mg ORAL TABLET
Drug: Allisartan Isoproxil
Atrial Fibrillation
Hypertension
Shanghai Jiao Tong University School of Medicine 2020-07-01 Phase 4
Biological Data
  • Fig. 4. High blood pressure (BP) and cardiovascular hypertrophy still exists in survival animals of two-kidney two-clip (2K2C) rat model treated with allisartan isoproxil (ALL) for 55 weeks.a–d Systolic BP (a), diastolic BP (b), pulse pressure (c) and heart rate (d) of the Sham and 2K2C+ALL groups. e–l Weight of brain (e), heart (f), atrium (g), ventricle (h), left ventricle (i), aorta (j) and kidney (l) to body weight ratios and aortic weight to length ratio (k) after 55 weeks of ALL treatment. Data represent the mean ± SEM (n = 6 animals for 2K2C + ALL group and n = 9 animals for Sham group). *P < 0.05, **P < 0.01, ***P < 0.001 vs. Sham.[2]. Allisartan isoproxil reduces mortality of stroke-prone rats and protects against cerebrovascular, cardiac, and aortic damage. Acta Pharmacol Sin. 2021 Jun;42(6):871-884.
  • Fig. 5. Treatment with allisartan isoproxil (ALL) for 10 weeks decreases blood pressure (BP) in two-kidney two-clip (2K2C) rat model.a Body weight gain of three groups during the experiment. b–e Systolic BP (b), diastolic BP (c), pulse pressure (d), and heart rate (e) of three groups after 10 weeks of ALL treatment. Treatment with ALL began at 4 weeks after surgery. Data represent the mean ± SEM (n = 15 animals for each 2K2C group and 2K2C + ALL group, n = 10 animals for Sham group). *P < 0.05, ***P < 0.001 vs. Sham; #P < 0.05 vs. 2K2C.[2]. Allisartan isoproxil reduces mortality of stroke-prone rats and protects against cerebrovascular, cardiac, and aortic damage. Acta Pharmacol Sin. 2021 Jun;42(6):871-884.
  • Fig. 6. Treatment with allisartan isoproxil (ALL) for 10 weeks prevents cerebrovascular and cardiac damage in two-kidney two-clip (2K2C) rat model.a Brain weight to body weight ratio. b Incidence of damage in cerebral artery. c Degree of cerebrovascular lesions quantified with scoring method after EVG staining in brain. d Lesions in posterior cerebral artery presented by representative images of EVG staining. Scale bar = 50 μm. e–h Weight of heart (e), ventricle (f), atrium (g), and left ventricle (h) to body weight ratios. i Left ventricle wall thickness. j Collagen content in heart quantified with ImageJ software after Masson staining. k Lesions in heart presented by representative images of Masson staining. Scale bar = 100 μm. Data represent the mean ± SEM (n = 15 animals for each 2K2C group and 2K2C + ALL group, n = 10 animals for Sham group). *P < 0.05, **P < 0.01, ***P < 0.001 vs. Sham; #P < 0.05, ##P < 0.01, ###P < 0.001 vs. 2K2C.[2]. Allisartan isoproxil reduces mortality of stroke-prone rats and protects against cerebrovascular, cardiac, and aortic damage. Acta Pharmacol Sin. 2021 Jun;42(6):871-884.
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