1. Immunology/Inflammation
  2. PSMA
  3. DUPA(OtBu)-OH

DUPA(OtBu)-OH is a DUPA precursor. DUPA is used as the targeting moiety to actively deliver Docetaxel (DTX) for treatment of Prostate-Specific Membrane Antigen (PSMA) expressing prostate cancer.

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

DUPA(OtBu)-OH Chemical Structure

DUPA(OtBu)-OH Chemical Structure

CAS No. : 1026987-94-9

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10 mM * 1 mL in DMSO
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Based on 1 publication(s) in Google Scholar

Top Publications Citing Use of Products

1 Publications Citing Use of MCE DUPA(OtBu)-OH

  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

DUPA(OtBu)-OH is a DUPA precursor. DUPA is used as the targeting moiety to actively deliver Docetaxel (DTX) for treatment of Prostate-Specific Membrane Antigen (PSMA) expressing prostate cancer.

In Vitro

DUPA(OtBu)-OH (DUPA precursor 17) is a 2-[3-(1,3-dicarboxypropyl)ureido]pentanedioic acid (DUPA) reagent[1]. The targeting ligand DUPA enhances the transport capability and selectivity of Paclitaxel (PTX) to tumor cells via prostate-specific membrane antigen (PSMA) mediated endocytosis. Besides, DUPA is conjugated with PTX via a disulfide bond, which facilitates the rapid and differential drug release in tumor cells[2].

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

In Vivo

DUPA-targeted Docetaxel (DTX) conjugate with longer spacer has no toxicity in major organs of treated mice[3].

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

Molecular Weight

488.57

Formula

C23H40N2O9

CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(OC(C)(C)C)CC[C@@H](C(OC(C)(C)C)=O)NC(N[C@H](C(OC(C)(C)C)=O)CCC(O)=O)=O

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: 

DMSO : 125 mg/mL (255.85 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 2.0468 mL 10.2339 mL 20.4679 mL
5 mM 0.4094 mL 2.0468 mL 4.0936 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.

  • Molarity Calculator

  • Dilution Calculator

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

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Molecular Weight *

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

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

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Volume (start)

V1

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C2

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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: ≥ 2.08 mg/mL (4.26 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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: ≥ 2.08 mg/mL (4.26 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.08 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.8 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.
In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

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g

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(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, PEG300/PEG400, Tween 80. All of co-solvents are available by 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
DMSO 1 mM 2.0468 mL 10.2339 mL 20.4679 mL 51.1697 mL
5 mM 0.4094 mL 2.0468 mL 4.0936 mL 10.2339 mL
10 mM 0.2047 mL 1.0234 mL 2.0468 mL 5.1170 mL
15 mM 0.1365 mL 0.6823 mL 1.3645 mL 3.4113 mL
20 mM 0.1023 mL 0.5117 mL 1.0234 mL 2.5585 mL
25 mM 0.0819 mL 0.4094 mL 0.8187 mL 2.0468 mL
30 mM 0.0682 mL 0.3411 mL 0.6823 mL 1.7057 mL
40 mM 0.0512 mL 0.2558 mL 0.5117 mL 1.2792 mL
50 mM 0.0409 mL 0.2047 mL 0.4094 mL 1.0234 mL
60 mM 0.0341 mL 0.1706 mL 0.3411 mL 0.8528 mL
80 mM 0.0256 mL 0.1279 mL 0.2558 mL 0.6396 mL
100 mM 0.0205 mL 0.1023 mL 0.2047 mL 0.5117 mL
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Product Name:
DUPA(OtBu)-OH
Cat. No.:
HY-103591
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