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4-Aminobenzamidine diHCl

4-Aminobenzamidine (p-Aminobenzamidine) diHCl is a strong trypsin inhibitor and a relatively weak urokinase plasminogen activator (uPA) inhibitor (Ki=82 μM).
4-Aminobenzamidine diHCl
4-Aminobenzamidine diHCl Chemical Structure CAS No.: 2498-50-2
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5g
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Product Description
4-Aminobenzamidine (p-Aminobenzamidine) diHCl is a strong trypsin inhibitor and a relatively weak urokinase plasminogen activator (uPA) inhibitor (Ki=82 μM). 4-Aminobenzamidine inhibits prostate tumor growth in SCID mice.
4-Aminobenzamidine diHCl (CAS 2498-50-2), also known as p-Aminobenzamidine dihydrochloride, is a synthetic diamidine derivative that primarily targets serine proteases. It is a strong trypsin inhibitor and a relatively weak urokinase plasminogen activator (uPA) inhibitor. The compound is used in studying enzyme kinetics, protein interactions, and various enzyme assays.
Biological Activity I Assay Protocols (From Reference)
Targets
4-Aminobenzamidine diHCl targets serine proteases, including trypsin and urokinase-type plasminogen activator (uPA). It acts as an orally active uPA inhibitor with a Ki of 82 μM. The compound inhibits prostate tumor growth in SCID mice and can be used for cardiovascular diseases and anti-tumor studies.
ln Vitro
In vitro, 4-Aminobenzamidine diHCl is a strong trypsin inhibitor. It acts as a relatively weak uPA inhibitor with a Ki of 82 μM. The compound shows antiplasmodial activity against Plasmodium falciparum W2 after 72 hours with an IC50 of 12589.25 nM. It inhibits prostate tumor growth in SCID mice.
ln Vivo
In vivo, 4-Aminobenzamidine diHCl inhibits prostate tumor growth in SCID mice. As an orally active compound, it has potential applications in cardiovascular diseases and anti-tumor studies. However, specific in vivo efficacy data and detailed animal study results are not extensively reported in the available literature.
Enzyme Assay
In vitro enzyme assays for 4-Aminobenzamidine diHCl involve protease activity assays using purified enzymes such as trypsin or uPA. The compound is incubated with the enzyme and a specific fluorogenic or chromogenic substrate. The inhibition of substrate cleavage is measured, and Ki or IC50 values are determined from dose-response curves.
Cell Assay
In vitro cellular assays for 4-Aminobenzamidine diHCl are performed using cell lines to study its effects on enzyme activity and cell proliferation. Cells are treated with various concentrations of the compound, and cell viability and proliferation are assessed using standard assays. Its antiplasmodial activity is assessed using the SYBR green assay.
Animal Protocol
In vivo animal studies with 4-Aminobenzamidine diHCl have been conducted in SCID mice to evaluate its effect on prostate tumor growth. The compound would be administered orally, and tumor growth inhibition would be assessed. However, specific protocols are not detailed in the available literature.
ADME/Pharmacokinetics
The pharmacokinetic properties of 4-Aminobenzamidine diHCl are not extensively reported. It is known to be orally active. Specific parameters such as bioavailability, half-life, and tissue distribution are not detailed.
Toxicity/Toxicokinetics
The toxicity profile of 4-Aminobenzamidine diHCl is not extensively reported. As a research compound, it is for research use only and not for human therapeutic use. No specific toxicity data are detailed.
References

[1]. The development and application of a new affinity partitioning system for enzyme isolation and purification. Enzyme Microb Technol. 1990 Sep;12(9):663-8.

[2]. The urokinase inhibitor p-aminobenzamidine inhibits growth of a human prostate tumor in SCID mice. Int J Cancer. 1995 May 16;61(4):542-7.

Additional Infomation
p-Aminobenzoic acid dihydrochloride is an organic molecular entity.
4-Aminobenzamidine diHCl is a serine protease inhibitor that acts as a strong trypsin inhibitor and a weak uPA inhibitor. It inhibits prostate tumor growth in SCID mice and is used in enzyme kinetics and protein interaction studies. The compound is available for research purposes only.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C7H9N3.2[HCL]
Molecular Weight
208.08834
Exact Mass
207.033
CAS #
2498-50-2
PubChem CID
75626
Appearance
Off-white to light brown solid powder
Density
1.26g/cm3
Boiling Point
289.8ºC at 760 mmHg
Melting Point
>300 °C(lit.)
Flash Point
129ºC
Vapour Pressure
0.00216mmHg at 25°C
LogP
3.538
Hydrogen Bond Donor Count
5
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
1
Heavy Atom Count
12
Complexity
125
Defined Atom Stereocenter Count
0
InChi Key
GHEHNICLPWTXJC-UHFFFAOYSA-N
InChi Code
InChI=1S/C7H9N3.2ClH/c8-6-3-1-5(2-4-6)7(9)10;;/h1-4H,8H2,(H3,9,10);2*1H
Chemical Name
4-aminobenzenecarboximidamide;dihydrochloride
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 : ~33.33 mg/mL (~160.17 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 1 mg/mL (4.81 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 10.0 mg/mL clear DMSO stock solution to 400 μL of PEG300 and mix evenly; then add 50 μL of Tween-80 to the above solution and mix evenly; then add 450 μL of 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: 1 mg/mL (4.81 mM) 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; with ultrasonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 10.0 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: ≥ 1 mg/mL (4.81 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 10.0 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 4.8056 mL 24.0281 mL 48.0561 mL
5 mM 0.9611 mL 4.8056 mL 9.6112 mL
10 mM 0.4806 mL 2.4028 mL 4.8056 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?
  • Enter 350.26 in the Molecular Weight (MW) box
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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.

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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

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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.

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