2. Apoptosis
  3. Apoptosis
  4. Etidronic acid

Etidronic acid  (Synonyms: Etidronate; HEDPA; HEDP)

Cat. No.: HY-B0302 Purity: ≥98.0%
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Etidronic acid (Etidronate) is an orally and intravenously active bisphosphonate. Etidronic acid inhibits resorption of bone, reduces arterial calcification and can be used for osteoporosis research. Etidronic acid has anticancer activity. Etidronic acid is a chelating agent and can be used to remove heavy metal in water.

For research use only. We do not sell to patients.

Etidronic acid Chemical Structure

Etidronic acid Chemical Structure

CAS No. : 2809-21-4

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10 mM * 1 mL in DMSO
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Customer Review

Based on 1 publication(s) in Google Scholar

Other Forms of Etidronic acid:

Etidronic acid Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE Etidronic acid

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Etidronic acid (Etidronate) is an orally and intravenously active bisphosphonate. Etidronic acid inhibits resorption of bone, reduces arterial calcification and can be used for osteoporosis research. Etidronic acid has anticancer activity. Etidronic acid is a chelating agent and can be used to remove heavy metal in water[1][2][3][4].

In Vitro

Etidronic acid (Etidronate) (10 mM, 24 h) shows cytotoxicity, causes a decrease in the S-phase population and an increase in the G2/M population, induces p53 mutation in MCF-7 cells[3].
Etidronic acid (100 nM, 24 h) induces osteoclast apoptosis, which displays characteristics of apoptosis, including chromatin condensation and changed cellular and nuclear morphology, detected by fluorescence microscopy[5].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Etidronic acid Related Antibodies
Clinical Trial
Molecular Weight

206.03

Formula

C2H8O7P2
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

OC(P(O)(O)=O)(P(O)(O)=O)C
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

H2O : 100 mg/mL (485.37 mM; Need ultrasonic)

DMSO : 100 mg/mL (485.37 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 4.8537 mL 24.2683 mL 48.5366 mL
5 mM 0.9707 mL 4.8537 mL 9.7073 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    40% PEG300    5% Tween-80    45% Saline

    Solubility: ≥ 2.5 mg/mL (12.13 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

    Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (12.13 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.

For the following dissolution methods, please prepare the working solution directly. It is recommended to prepare fresh solutions and use them promptly within a short period of time.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  PBS

    Solubility: 100 mg/mL (485.37 mM); Clear solution; Need ultrasonic

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
H2O / DMSO 1 mM 4.8537 mL 24.2683 mL 48.5366 mL 121.3416 mL
5 mM 0.9707 mL 4.8537 mL 9.7073 mL 24.2683 mL
10 mM 0.4854 mL 2.4268 mL 4.8537 mL 12.1342 mL
15 mM 0.3236 mL 1.6179 mL 3.2358 mL 8.0894 mL
20 mM 0.2427 mL 1.2134 mL 2.4268 mL 6.0671 mL
25 mM 0.1941 mL 0.9707 mL 1.9415 mL 4.8537 mL
30 mM 0.1618 mL 0.8089 mL 1.6179 mL 4.0447 mL
40 mM 0.1213 mL 0.6067 mL 1.2134 mL 3.0335 mL
50 mM 0.0971 mL 0.4854 mL 0.9707 mL 2.4268 mL
60 mM 0.0809 mL 0.4045 mL 0.8089 mL 2.0224 mL
80 mM 0.0607 mL 0.3034 mL 0.6067 mL 1.5168 mL
100 mM 0.0485 mL 0.2427 mL 0.4854 mL 1.2134 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Etidronic acid Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Etidronic acid2809-21-4Etidronate HEDPA HEDPApoptosisarterial calcificationosteoporosisPaget's diseaseMCF-7Inhibitorinhibitorinhibit

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