Azathioprine (BW 57-322)

Alias: BW57-322; BW-57-322; Azathioprine; BW 57-322; BW 57 322; trade name: Imuran; Azasan; Imurel. Abbreviations: AZA; AZTP
Cat No.:V1563 Purity: ≥98%
Azathioprine (BW-57322; BW 57-322; Imuran; Azasan; Imurel; AZA; AZTP) is an approved immunosuppressive drug (prodrug of 6-MP) used in the treatment of organ transplantation and autoimmune diseases.
Azathioprine (BW 57-322) Chemical Structure CAS No.: 446-86-6
Product category: Rho
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 Azathioprine (BW 57-322):

  • Azathioprine-d3 (Azathioprine-d3; BW 57-322-d3)
  • Azathioprine sodium
  • Azathioprine-13C4 (Azathioprine-13C4; BW 57-322-13C4)
Official Supplier of:
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description

Azathioprine (BW-57322; BW 57-322; Imuran; Azasan; Imurel; AZA; AZTP) is an approved immunosuppressive drug (prodrug of 6-MP) used in the treatment of organ transplantation and autoimmune diseases. It functions by preventing purine synthesis and GTP-binding protein Rac1 from being activated. The active metabolite 6-mercaptopurine (6-MP), which acts as a stand-in for a normal nucleoside and inadvertently incorporates itself into DNA sequences, must be produced in vivo from the prodrug azathioprine. DNA, RNA, and protein synthesis are inhibited as a result. In particular, this may prevent leukocytes and lymphocytes from proliferating.

Biological Activity I Assay Protocols (From Reference)
Targets
Rac1
ln Vitro

Azathioprine (0-50 μM, 48 hours) can cause severe intracellular GSH depletion at relevant concentrations in both primary rat and human hepatocytes[2].

ln Vivo
Azathioprine (oral gavage, 25–400 mg/kg, daily, 10 days) can cause apoptosis in female CD-1 and ICR mice and has a dose-dependent effect on bone marrow cells, red blood cells, peripheral blood cytokines, and other relevant parameters[3].
Cell Assay
Cell Line: Rat hepatocytes, Human hepatocytes
Concentration: 0-50 μM
Incubation Time: 24-48 hours
Result: Showed the decrease in cell viability and intracellular GSH levels in rat hepatocytes as low concentration of 0.5 μM but no significant decrease in cell viability at concentrations below 50 μM as well as GSH depletion was obviously noted at a concentration as low as 1 μM in human hepatocytes.
Animal Protocol
Outbred female CD-1 mice, Female ICR mice
25-400 mg/kg
Oral gavage; everyday; 10days
References

[1]. Azathioprine in dermatology: the past, the present, and the future. J Am Acad Dermatol, 2006. 55(3): p. 369-89.

[2]. Azathioprine: old drug, new actions. J Clin Invest, 2003. 111(8): p. 1122-4.

[3]. Azathioprine, 6-mercaptopurine in inflammatory bowel disease: pharmacology, efficacy, and safety. Clin Gastroenterol Hepatol, 2004. 2(9): p. 731-43.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C9H7N7O2S
Molecular Weight
277.26
Exact Mass
277.04
Elemental Analysis
C, 38.99; H, 2.54; N, 35.36; O, 11.54; S, 11.56
CAS #
446-86-6
Related CAS #
Azathioprine-d3;2702733-53-5;Azathioprine sodium;55774-33-9;Azathioprine-13C4;1346600-71-2
Appearance
Solid powder
SMILES
CN1C=NC(=C1SC2=NC=NC3=C2NC=N3)[N+](=O)[O-]
InChi Key
LMEKQMALGUDUQG-UHFFFAOYSA-N
InChi Code
InChI=1S/C9H7N7O2S/c1-15-4-14-7(16(17)18)9(15)19-8-5-6(11-2-10-5)12-3-13-8/h2-4H,1H3,(H,10,11,12,13)
Chemical Name
6-(3-methyl-5-nitroimidazol-4-yl)sulfanyl-7H-purine
Synonyms
BW57-322; BW-57-322; Azathioprine; BW 57-322; BW 57 322; trade name: Imuran; Azasan; Imurel. Abbreviations: AZA; AZTP
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: ~54 mg/mL (~194.8 mM)
Water: <1 mg/mL
Ethanol: <1 mg/mL
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.08 mg/mL (7.50 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 (7.50 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.

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Solubility in Formulation 3: ≥ 2.08 mg/mL (7.50 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 20.8 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 3.6067 mL 18.0336 mL 36.0672 mL
5 mM 0.7213 mL 3.6067 mL 7.2134 mL
10 mM 0.3607 mL 1.8034 mL 3.6067 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
  • 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
NCT04737343 Recruiting Drug: Azathioprine Tablets
Drug: Leflunomide
ANCA Associated Vasculitis
Maintenance Therapy
Chinese SLE Treatment And
Research Group
June 30, 2021 Not Applicable
NCT04160325 Recruiting Drug: azathioprine
Other: normal diet
Crohn Disease Zhu Weiming January 1, 2018 Not Applicable
NCT05321485 Recruiting Other: MedicijnWijs Crohn Disease
Ulcerative Colitis
Maxima Medical Center March 16, 2022 Not Applicable
NCT05040464 Recruiting Drug: AZA capsules
Drug: MTX
Azathioprine
Methotrexate
Centre Hospitalier Universitaire,
Amiens
August 26, 2021 Phase 3
NCT05349006 Not yet recruiting Drug: Azathioprine
Other: Placebo
Central Nervous System
Inflammation
MOG-IgG Associated Disease
Hospices Civils de Lyon January 1, 2023 Phase 3
Biological Data
  • Azathioprine

    Azathioprine and its metabolites suppress lamellipodia but not filopodia formation in primary CD4+ T lymphocytes. J Immunol. 2006 Jan 1;176(1):640-51.
  • Azathioprine

    Azathioprine suppresses binding of Vav-1 to Rac1 but not RhoA. J Immunol. 2006 Jan 1;176(1):640-51.
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