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Ioxitalamic Acid

Alias: Vasobrix; Telebrix; Ioxitalamic Acid
Cat No.:V22630 Purity: ≥98%
Ioxitalamic acid is a water-soluble (H2O-soluble), nephrotropic, highly permeable/penetrable X-ray iodinated contrast agent.
Ioxitalamic Acid
Ioxitalamic Acid Chemical Structure CAS No.: 28179-44-4
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
100mg
Other Sizes
Official Supplier of:
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Product Description
Ioxitalamic acid is a water-soluble (H2O-soluble), nephrotropic, highly permeable/penetrable X-ray iodinated contrast agent.
Biological Activity I Assay Protocols (From Reference)
ADME/Pharmacokinetics
Absorption, Distribution and Excretion
Iocitalazine is not absorbed in the gastrointestinal tract. In the presence of intestinal perforation, iocitalazine is completely absorbed. When administered intravenously, iocitalazine is rapidly distributed in the interstitial space and intravascular space. Since iocitalazine is not absorbed in the normal intestine, it is excreted entirely via feces. If absorbed due to intestinal perforation, iocitalazine is rapidly excreted by the kidneys. When administered intravenously, iocitalazine is primarily excreted unchanged via glomerular filtration, without reabsorption or tubular secretion. In renal failure, iocitalazine is primarily cleared via bile, saliva, sweat glands, and the colon. The volume of distribution of iocitalazine is 194 ml/kg. The total clearance of iocitalazine is 120 ml/min. Metabolism/Metabolites Rapid clearance indicates that iocitalazine is not metabolized in the body.
Biological Half-Life
The elimination half-life of iodocitalac is 1.1 hours.
Toxicity/Toxicokinetics
Protein Binding
Iodinated monomeric contrast agents rarely bind to plasma proteins, and even when they do, the binding affinity is usually very weak. After binding, they account for only 0% to 27% of the administered iodine dose.
References

[1]. A direct injection liquid chromatography tandem mass spectrometry method for the kinetic study on iodinated contrast media (ICMs) removal in natural water. Chemosphere. 2020 Mar;243:125311.

Additional Infomation
Iooxitalamic is an organic iodine compound composed of 2,4,6-triiodobenzoic acid with an acetamino group at the 3-position and a (2-hydroxyethyl)carbamoyl group at the 5-position. It is used as a contrast agent. It is both an exogenous substance and an environmental pollutant and a radioactive opacifier. It is a dicarboxylic acid monoamide, belonging to the acetamide class, organic iodine compounds, and benzoic acid compounds. Iooxitalamic is an ionic iodinated contrast agent. It is a first-generation contrast agent, composed of ionic monomers with high osmotic pressure (1500-1800 mOsm/kg). Sodium Iooxitalamic and Iooxitalamic meglumine were developed by Liebel-Flarshem Canada Inc. and approved by Health Canada in 1995. As of the most recent review in 2015, the drug was still marketed.
Drug Indications
Both iocitalazine sodium and iocitalazine meglumine salt are indicated for exploration of the digestive tract via CT scan or routine gastroduodenal X-ray. Their use is limited to situations where barium sulfate is not recommended or contraindicated. Intravenous administration of iocitalazine is contraindicated due to its potential to cause serious side effects.Mechanism of Action
Iocitalazine is an intestinal contrast agent that aids in the visualization of anatomical structures and the differentiation of intestinal loops from soft tissue masses.Pharmacodynamics
Iocitalazine has an extremely high osmolarity, which is associated with nephrotoxicity, vasodilation, bradycardia, and pulmonary hypertension. This high osmolarity causes iocitalazine to move slowly through the intestines, facilitating subsequent analysis of its excretion in feces.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C12H11I3N2O5
Molecular Weight
643.94
Exact Mass
643.78
CAS #
28179-44-4
Related CAS #
33954-26-6 (hydrochloride salt);29288-99-1 (meglumine ioxithalamate salt/solvate)
PubChem CID
34536
Appearance
Off-white to light yellow solid powder
Density
2.519g/cm3
Boiling Point
582.8ºC at 760mmHg
Melting Point
253-255?C
Flash Point
306.3ºC
Vapour Pressure
1.99E-14mmHg at 25°C
LogP
2.343
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
5
Rotatable Bond Count
5
Heavy Atom Count
22
Complexity
451
Defined Atom Stereocenter Count
0
SMILES
O=C(O)C1=C(I)C(C(NCCO)=O)=C(I)C(NC(C)=O)=C1I
InChi Key
OLAOYPRJVHUHCF-UHFFFAOYSA-N
InChi Code
InChI=1S/C12H11I3N2O5/c1-4(19)17-10-8(14)5(11(20)16-2-3-18)7(13)6(9(10)15)12(21)22/h18H,2-3H2,1H3,(H,16,20)(H,17,19)(H,21,22)
Chemical Name
3-acetamido-5-(2-hydroxyethylcarbamoyl)-2,4,6-triiodobenzoic acid
Synonyms
Vasobrix; Telebrix; Ioxitalamic Acid
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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.5529 mL 7.7647 mL 15.5294 mL
5 mM 0.3106 mL 1.5529 mL 3.1059 mL
10 mM 0.1553 mL 0.7765 mL 1.5529 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.

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