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Ethacridine lactate

Alias: NSC-36333 NSC36333NSC 36333
Cat No.:V9359 Purity: ≥98%
Ethacridine lactate (Acrinol) is a extensively used antibacterial and abortive agent.
Ethacridine lactate
Ethacridine lactate Chemical Structure CAS No.: 1837-57-6
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Other Forms of Ethacridine lactate:

  • Ethacridine lactate monohydrate
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Ethacridine lactate (Acrinol) is a extensively used antibacterial and abortive agent. Ethacridine lactate is effective against Staphylococcus aureus and other Gram-positive (Gram+) cocci. Ethacridine lactate is also a poly(ADP-ribose) glycosyl hydrolase (PARG) inhibitor.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
Acridine has a MIC range of 100-200 μg/mL and is effective against Staphylococcus aureus, including MRSA. The MIC of Acridine against E. Proteus vulgaris and Proteus mirabilis have MICs more than 1,600 μg/mL, whereas coli is 200–800 μg/mL[3].
ln Vivo
Pregnancy can be ended with ethacridine lactate [1].
References
[1]. Gupta S, et al. Ethacridine lactate -- a safe and effective drug for termination of pregnancy. Indian J Matern Child Health. 1993;4(2):59-61.
[2]. Rotin LE, et al. Erlotinib synergizes with the poly(ADP-ribose) glycohydrolase inhibitor ethacridine in acute myeloid leukemia cells. Haematologica. 2016 Nov;101(11):e449-e453.
[3]. Usuki R, et, al. Antibacterial Activity of Acrinol against Organisms Isolated from Clinical Materials and Influence of Light on Antibacterial Activity of Acrinol. Japanese Journal of Pharmaceutical Health Care and Sciences. 2004 Jan; 30(2):72-77.
Additional Infomation
Acrinol is an organic molecular entity.
A topically applied anti-infective agent.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C18H21N3O4
Molecular Weight
343.38
Exact Mass
343.153
CAS #
1837-57-6
Related CAS #
Ethacridine lactate monohydrate;6402-23-9
PubChem CID
15789
Appearance
Typically exists as solid at room temperature
Boiling Point
270 °C(lit.)
Melting Point
62-67 °C(lit.)
Flash Point
143 °C
Vapour Pressure
4.72E-11mmHg at 25°C
LogP
3.565
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
3
Heavy Atom Count
25
Complexity
371
Defined Atom Stereocenter Count
0
SMILES
CC(O)C(O)=O.NC1=CC2=NC3=CC=C(OCC)C=C3C(N)=C2C=C1
InChi Key
IYLLULUTZPKQBW-UHFFFAOYSA-N
InChi Code
InChI=1S/C15H15N3O.C3H6O3/c1-2-19-10-4-6-13-12(8-10)15(17)11-5-3-9(16)7-14(11)18-131-2(4)3(5)6/h3-8H,2,16H2,1H3,(H2,17,18)2,4H,1H3,(H,5,6)
Chemical Name
Propanoic acid, 2-hydroxy-, compd. with 7-ethoxy-3,9-acridinediamine (1
Synonyms
NSC-36333 NSC36333NSC 36333
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, avoid exposure to moisture.
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 mg/mL (~145.61 mM)
H2O : ~12.5 mg/mL (~36.40 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (7.28 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 (7.28 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 (7.28 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 2.9122 mL 14.5611 mL 29.1223 mL
5 mM 0.5824 mL 2.9122 mL 5.8245 mL
10 mM 0.2912 mL 1.4561 mL 2.9122 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
NCT06487117 NOT YET RECRUITING Drug: Huafu Shengji Ointment
Drug: ethacridine lactate solution
Diabetic Foot Beijing Daxing District Hospital of Integrated Chinese and Western Medicine 2024-09 Early Phase 1
NCT03574935 UNKNOWN STATUS Drug: External Chinese medicine
Drug: External Western medicine
Diabetic Foot
Ulcer, Skin
Shanghai Yueyang Integrated Medicine Hospital 2018-07-01 Phase 2
Biological Data
  • Identification of erlotinib sensitizers in TEX and OCI-AML2 cells. (A) Erlotinib was screened against 1,352 drugs from three chemical libraries (Sequoia, International, and Natural Products A, B and C). Following a 72h incubation, EOBA synergy scores were calculated from relative growth and viability values determined by the SRB assay. Compounds were ranked in order of increasing positive EOBA score. (B) Top synergistic hit ethacridine lactate was validated in TEX and OCI-AML2 cells using broader concentration ranges. Cells were combination-treated for 72h and percent growth and viability was measured with the SRB assay (graphs). Synergy was calculated according to EOBA criteria (tables), with EOBA values >0.1 (lightest grey) denoting a synergistic combination, and values >0.5 (darkest grey) denoting a profoundly synergistic combination. Results depict mean percent growth and viability ± SD (graphs) or mean EOBA scores (tables) from a single experiment performed in triplicate.[2]. Rotin LE, et al. Erlotinib synergizes with the poly(ADP-ribose) glycohydrolase inhibitor ethacridine in acute myeloid leukemia cells. Haematologica. 2016 Nov;101(11):e449-e453.
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