Mirtazapine (Org3770; 6-Azamianserin)

Alias: ORG-3770; Mirtazapine; Org3770; Org 3770; Remeron; Avanza; Axit; Mirtazon; Zispin
Cat No.:V1018 Purity: ≥98%
Mirtazapine (formerly Org3770, Org 3770; trade names Remeron, Avanza, Axit, Mirtazon, Zispin),an approved atypical antidepressant drug, is an adrenergic and serotonin receptor antagonist used for treating depression.
Mirtazapine (Org3770; 6-Azamianserin) Chemical Structure CAS No.: 85650-52-8
Product category: 5-HT Receptor
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
25mg
50mg
100mg
250mg
500mg
1g
Other Sizes

Other Forms of Mirtazapine (Org3770; 6-Azamianserin):

  • Esmirtazapine
  • (R)-Mirtazapine
  • (R)-Mirtazapine D3
  • Mirtazapine D3
  • Mirtazapine-d4
Official Supplier of:
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Mirtazapine (formerly Org3770, Org 3770; trade names Remeron, Avanza, Axit, Mirtazon, Zispin), an approved atypical antidepressant drug, is an adrenergic and serotonin receptor antagonist used for treating depression.

Biological Activity I Assay Protocols (From Reference)
Targets
α2-adrenergic receptor ( pKi = 6.95 ); 5-HT3 Receptor ( pKi = 8.1 ); 5-HT2 Receptor ( pKi = 8.05 ); H1 Receptor ( pKi = 9.3 )
ln Vitro

In vitro activity: Mirtazapine can block 5-HT2 and 5-HT3 receptors and antagonize adrenergic α2-autoreceptors and α2-heteroreceptors. Mirtazapine increases 5-HT1A-mediated serotonergic transmission and norepinephrine release[1]. The primary metabolic enzymes of mirtazapine are cytochrome (CYP) P450 isoenzymes CYP1A2, CYP2D6, and CYP3A4[1]. In vitro, human CD14+ monocytes' activation-induced release of cytokine/chemokine mediators is significantly reduced by mirtazapine (10 μM)[3].

ln Vivo
Mirtazapine (1-20 mg/kg; intraperitoneal injection; once; C57BL/6 mice) treatment dramatically and dose-dependently prevents liver damage caused by Con A[3].
Mirtazapine treatment inhibits the activation of hepatic macrophages and monocytes, reduces the production of pro-inflammatory cytokines (e.g., TNFα) and chemokines (e.g., CXCL1 and CXCL2) by hepatic macrophages and monocytes, and suppresses the increases in hepatic expression of the neutrophil relevant endothelial cell adhesion molecule ICAM-1 induced by Con A. These actions lead to a significant reduction in the recruitment of neutrophils into the liver[3].
Animal Protocol
Male C57BL/6 mice (8-10 week old) treated with concanavalin A (Con A)
1 mg/kg, 10 mg/kg, and 20 mg/kg
Intraperitoneal injection; once
References

[1]. A review of the pharmacological and clinical profile of mirtazapine. CNS Drug Rev. Fall 2001;7(3):249-64.

[2]. Neurochemical and autonomic pharmacological profiles of the 6-aza-analogue of mianserin, Org 3770 and its enantiomers. Neuropharmacology. 1988 Apr;27(4):399-408.

[3]. The Antidepressant Mirtazapine Inhibits Hepatic Innate Immune Networks to Attenuate Immune-Mediated Liver Injury in Mice. Front Immunol. 2019 Apr 12;10:803.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C17H19N3
Molecular Weight
265.35
Exact Mass
265.16
Elemental Analysis
C, 76.95; H, 7.22; N, 15.84
CAS #
85650-52-8
Related CAS #
(S)-Mirtazapine; 61337-87-9; (S)-Mirtazapine-d3; (R)-Mirtazapine; 61364-37-2; Mirtazapine-d3; 1216678-68-0; Mirtazapine-d4; 1215898-55-7; (R)-Mirtazapine-d3
Appearance
Solid powder
SMILES
CN1CCN2C(C1)C3=CC=CC=C3CC4=C2N=CC=C4
InChi Key
RONZAEMNMFQXRA-UHFFFAOYSA-N
InChi Code
InChI=1S/C17H19N3/c1-19-9-10-20-16(12-19)15-7-3-2-5-13(15)11-14-6-4-8-18-17(14)20/h2-8,16H,9-12H2,1H3
Chemical Name
5-methyl-2,5,19-triazatetracyclo[13.4.0.02,7.08,13]nonadeca-1(15),8,10,12,16,18-hexaene
Synonyms
ORG-3770; Mirtazapine; Org3770; Org 3770; Remeron; Avanza; Axit; Mirtazon; Zispin
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: 50~53 mg/mL (188.4~199.7 mM)
Water: <1 mg/mL
Ethanol: ~53 mg/mL (~199.7 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (9.42 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 (9.42 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 25.0 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: ≥ 2.5 mg/mL (9.42 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 3.7686 mL 18.8430 mL 37.6861 mL
5 mM 0.7537 mL 3.7686 mL 7.5372 mL
10 mM 0.3769 mL 1.8843 mL 3.7686 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:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
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.

Clinical Trial Information
NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT00488072 Active
Recruiting
Drug: Mirtazapine
Drug: Placebo
Advanced Cancer
Anorexia
Weight Loss
Insomnia
M.D. Anderson Cancer Center September 20, 2006 Phase 2
NCT03935685 Recruiting Drug: Mirtazapine
(Remeron)
Glioma of Brain University of California, Irvine February 26, 2019 Phase 2
NCT05380479 Recruiting Drug: Mirtazapine
Drug: Megestrol Acetate
Anorexia Bangabandhu Sheikh Mujib
Medical University, Dhaka,
Bangladesh
June 1, 2022 Phase 2
NCT04614584 Recruiting Drug: Mirtazapine
Drug: Methamphetamine
Cardiovascular Abnormalities
Drug Interaction
San Francisco Department of
Public Health
July 12, 2021 Phase 1
NCT04728581 Not yet recruiting Drug: Mirtazapine
Drug: Quetiapine
Drug: Placebo
Insomnia
Osteo Arthritis Knee
St. Anna Ziekenhuis, Geldrop,
Netherlands
January 1, 2024 Not Applicable
Biological Data
  • Mirtazapine
    The effect of mirtazapine on Lin-7C, CASK, and CTNNB1 mRNA expression levels.Sci Rep. 2014; 4: 5433.
  • Mirtazapine
    qRT-PCR analysis of Lin-7C gene expression in hSCC cell lines.Sci Rep. 2014; 4: 5433.


    Mirtazapine
    Quantitative analysis of spontaneous metastasis using different human tumor cells.Sci Rep. 2014; 4: 5433.
  • Mirtazapine
    Comparison of cellular proliferation in the control group (without mirtazapine) and the mirtazapine-treated groups.Sci Rep. 2014; 4: 5433.


    Mirtazapine
    The functional effect of mirtazapine for antimetastatic potential in human metastatic cancer cells.Sci Rep. 2014; 4: 5433.
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