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Amodiaquine hydrochloride

Alias: Amodiaquin dihydrochloride dihydrate Amodiaquin dihydrochloride Amodiaquine hydrochloride dihydrate
Cat No.:V8189 Purity: ≥98%
Amodiaquin hydrochloride (trade names Camoquin, Flavoquine)isa potent and orally bioactive inhibitor of the Ebola virus, acts by targeting the viral protein 35 (VP35).
Amodiaquine hydrochloride
Amodiaquine hydrochloride Chemical Structure CAS No.: 69-44-3
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
100mg
Other Sizes

Other Forms of Amodiaquine hydrochloride:

  • Amodiaquin HCl hydrate
  • Amodiaquine free base
Official Supplier of:
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Top Publications Citing lnvivochem Products
Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Amodiaquin hydrochloride (trade names Camoquin, Flavoquine) is a potent and orally bioactive inhibitor of the Ebola virus, acts by targeting the viral protein 35 (VP35). It is also a 4-aminoquinoline class of antimalarial agent and anti-inflammatory agent that inhibits histamine N-methyltransferase inhibitor. Amodiaquine is also a Nurr1 agonist and specifically binds to Nurr1-LBD (ligand binding domain) with an EC50 of ~20 μM. Amodiaquine has been shown to be more effective than chloroquine in treating chloroquine-resistant Plasmodium falciparum malaria infections and may give more protection than chloroquine when used as weekly prophylaxis. Amodiaquine, like chloroquine, is generally well tolerated. Amodiaquine is a histamine N-methyltransferase inhibitor. It is on the World Health Organization's List of Essential Medicines, the most important medications needed in a basic health system.

Biological Activity I Assay Protocols (From Reference)
ln Vitro
The expression of LPS-induced pro-inflammatory cytokines (IL-1β, interleukin 6, TNF-α, and iNOS) is inhibited in a dose-regulated manner by amodiaquine dihydrochloride (10–20 μM; 4 hours) administration [1]. μM; 24 hr) markedly reduced the amount of neurotoxic (6-OHDA) that caused cell death in primary dopamine cells, as indicated by the quantity of TH+ neurons and dopamine chow. Amodiaquine was also found to have neuroprotective properties in tea PC12 cells using the use of RT-PCR.
ln Vivo
Amodiaquine (40 mg/kg; intraperitoneal; daily; for 3 days; stable ICR tumors) treatment decreased the peritumor activation of stellate stellate cells and tiny stellate cells/macrophages. Amodiaquine also ameliorates motor impairment in mice and suppresses ICH-induced mRNA expression of IL-1β, CCL2, and CXCL2 [2].
Cell Assay
RT-PCR[1]
Cell Types: primary microglia
Tested Concentrations: 10μM, 15μM, 20μM
Incubation Duration: 4 hrs (hours)
Experimental Results: Inhibition of LPS-induced pro-inflammatory cytokines (IL-1β, interleukin-6, TNF - 1]. α and iNOS) in a dose-dependent manner.
Animal Protocol
Animal/Disease Models: Male ICR mice (8-10 weeks old) induced intracerebral hemorrhage (ICH) [2]
Doses: 40 mg/kg
Route of Administration: intraperitoneal (ip) injection; daily; lasted for 3 days
Experimental Results: Microglia around the hematoma / diminished activation of macrophages and astrocytes.
References
[1]. Chun-Hyung Kim, et al. Nuclear receptor Nurr1 agonists enhance its dual functions and improve behavioral deficits in an animal model of Parkinson's disease. Proc Natl Acad Sci U S A. 2015 Jul 14;112(28):8756-61.
[2]. Keita Kinoshita, et al. A Nurr1 agonist amodiaquine attenuates inflammatory events and neurological deficits in a mouse model of intracerebral hemorrhage. J Neuroimmunol. 2019 May 15;330:48-54.
[3]. Akira Yokoyama, et al. Effect of amodiaquine, a histamine N-methyltransferase inhibitor, on, Propionibacterium acnes and lipopolysaccharide-induced hepatitis in mice. Eur J Pharmacol. 2007 Mar 8;558(1-3):179-84.
[4]. M T HOEKENGA. The treatment of acute malaria with single oral doses of amodiaquin, chloroquine, hydroxychloroquine and pyrimethamine. Am J Trop Med Hyg. 1954 Sep;3(5):833-8.
[5]. John R Horton, et al. Structural basis for inhibition of histamine N-methyltransferase by diverse drugs. J Mol Biol. 2005 Oct 21;353(2):334-344.
Additional Infomation
Amodiaquine Hydrochloride is the hydrochloride salt of amodiaquine, an orally active 4-aminoquinoline derivative with antimalarial and anti-inflammatory properties. Similar in structure and activity to chloroquine, amodiaquine is effective against some chloroquine-resistant strains, particularly Plasmodium falciparum, the most deadly malaria parasite. Although the mechanism of plasmodicidal action has not been fully elucidated, like other quinoline derivatives, amodiaquine likely is able to inhibit heme polymerase activity in the body. This results in accumulation of free heme, which is toxic to the parasites.
A 4-aminoquinoline compound with anti-inflammatory properties.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C20H24CL3N3O
Molecular Weight
428.7831
Exact Mass
391.121
CAS #
69-44-3
Related CAS #
Amodiaquine dihydrochloride dihydrate;6398-98-7;Amodiaquine;86-42-0
PubChem CID
6246
Appearance
Light yellow to yellow solid powder
Boiling Point
478ºC at 760 mmHg
LogP
6.054
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
4
Rotatable Bond Count
6
Heavy Atom Count
27
Complexity
406
Defined Atom Stereocenter Count
0
InChi Key
ROEBJVHPINPMKL-UHFFFAOYSA-N
InChi Code
InChI=1S/C20H22ClN3O.2ClH/c1-3-24(4-2)13-14-11-16(6-8-20(14)25)23-18-9-10-22-19-12-15(21)5-7-17(18)19/h5-12,25H,3-4,13H2,1-2H3,(H,22,23)2*1H
Chemical Name
4-[(7-chloroquinolin-4-yl)amino]-2-(diethylaminomethyl)phenol
Synonyms
Amodiaquin dihydrochloride dihydrate Amodiaquin dihydrochloride Amodiaquine hydrochloride dihydrate
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: Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture and light.
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 : ~125 mg/mL (~291.52 mM)
H2O : ~50 mg/mL (~116.61 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (4.85 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 20.8 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: ≥ 2.08 mg/mL (4.85 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 20.8 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.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.3322 mL 11.6610 mL 23.3220 mL
5 mM 0.4664 mL 2.3322 mL 4.6644 mL
10 mM 0.2332 mL 1.1661 mL 2.3322 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

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:
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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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
NCT00894660 COMPLETED Drug: Amodiaquine (Test)
Drug: Amodiaquine (Comparator)
Falciparum Malaria Pfizer 2009-06 Phase 1
NCT00238017 UNKNOWN STATUS Drug: amodiaquine-artesunate versus amodiaquine Malaria Charite University, Berlin, Germany 2005-10 Phase 4
NCT00859807 COMPLETED Drug: Flavoquine®, Camoquin® Suspension Falciparum Malaria Pfizer 2009-05 Phase 4
NCT01023399 COMPLETED Drug: Artesunate + Amodiaquine Malaria Sanofi 2009-11 Phase 4
NCT04080895 RECRUITING Drug: Artemether-lumefantrine
Drug: Amodiaquine
Drug: Artemether-lumefantrine
Drug: Artemether-lumefantrine + Amodiaquine
Drug Combination
Healthy
Pharmacokinetic
University of Oxford 2022-11-01 Phase 1
Biological Data
  • Interactions of HNMT and diphenhydramine. (a) Chemical structure of diphenhydramine (top panel). The simulated-annealing omit electron density map is contoured at 3.5σ above the mean (bottom panel). (b) Ribbon diagram of HNMT-diphenhydramine-AdoHcy. The N terminus is in blue and the C terminus in red. (c) Active site pocket of HNMT reconstituted from the four structures. Residues adopting different rotomer conformation or disordered are labeled in white letter against red background. The side-chains of Glu246 and Tyr15 are disordered in the complex with diphenhydramine; the side-chain of Phe9 is disordered in the complexes with amodiaquine and metoprine, and adopts one rotamer in diphenhydramine and a different one in tacrine. (d) Detailed plot of HNMT–diphenhydramine interactions. The nitrogen atoms are in blue and the oxygen atoms in red. The carbon atoms are in cyan (HNMT) and in green (inhibitor). The broken lines indicate hydrogen bonds, whose distances are indicated (in Å).[5]. John R Horton, et al. Structural basis for inhibition of histamine N-methyltransferase by diverse drugs. J Mol Biol. 2005 Oct 21;353(2):334-344.
  • Interactions of HNMT and amodiaquine. (a) Chemical structure of amodiaquine. (b) Two molecules of amodiaquine bind per HNMT; one binds in the active site pocket and the other in an outer-surface pocket. (c) Detailed plots of HNMT–amodiaquine interactions. The branch structure of amodiaquine is disordered in the outer-surface pocket. (d) A network of hydrogen bonds connects the side-chains of Tyr146, Qln143, Glu28, Asn283, Trp179, and a water molecule. The water molecule interacts with the hydroxyl group of the phenyl ring of amodiaquine. The chlorine atom of the quinoline ring of amodiaquine makes van der Waals contacts with Cγ of Gln94. (e) The two alkylene chains rotate every 120°, and make them look like three branches. The simulated-annealing omit electron density map is contoured at 3.5s above the mean (top panel). Besides the surrounding aromatic rings, one branch interacts (indicated by double-ended arrows) with the side-chain of Cys196 and another interacts with Glu246 (bottom panel). (f) Lineweaver–Burke plot. The estimated Ki is 18.6 nM.[5]. John R Horton, et al. Structural basis for inhibition of histamine N-methyltransferase by diverse drugs. J Mol Biol. 2005 Oct 21;353(2):334-344.
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