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  4. Zinquin ethyl ester

Zinquin ethyl ester is a fluorescent derivative of Zinquin and is a fluorescent probe of cytosolic zinc. Zinquin ethyl ester is able to penetrate cell membranes and is lipophilic and zinc-sensitive. Zinquin ethyl ester can combine with Zn2+ in the presence of Ca2+ and Mg2+ to produce blue fluorescence.

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Zinquin ethyl ester Chemical Structure

Zinquin ethyl ester Chemical Structure

CAS No. : 181530-09-6

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1 mg USD 130 In-stock
5 mg USD 395 In-stock
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Zinquin ethyl ester Related Antibodies

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Description

Zinquin ethyl ester is a fluorescent derivative of Zinquin and is a fluorescent probe of cytosolic zinc. Zinquin ethyl ester is able to penetrate cell membranes and is lipophilic and zinc-sensitive. Zinquin ethyl ester can combine with Zn2+ in the presence of Ca2+ and Mg2+ to produce blue fluorescence[1].

Molecular Weight

414.47

Formula

C21H22N2O5S
CAS No.
Appearance

Solid

Color

White to off-white

Emission (Em)

490
Excitation (Ex)

368
SMILES

O=C(OCC)COC1=CC(NS(=O)(C2=CC=C(C)C=C2)=O)=C3N=C(C)C=CC3=C1
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

-20°C, protect from light

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

Solvent & Solubility
In Vitro: 

DMSO : ≥ 50 mg/mL (120.64 mM; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

H2O : < 0.1 mg/mL (insoluble)

*"≥" means soluble, but saturation unknown.

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.4127 mL 12.0636 mL 24.1272 mL
5 mM 0.4825 mL 2.4127 mL 4.8254 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, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • 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    90% Corn Oil

    Solubility: 5 mg/mL (12.06 mM); Suspended solution; Need ultrasonic

    This protocol yields a suspended solution of 5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (50.0 mg/mL) to 900 μL Corn oil, and mix evenly.

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.
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, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).

*In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)

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).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: ≥99.0%

COA (250 KB)

Handling Instructions (2659 KB)
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, 6 months; -20°C, 1 month (protect from light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.4127 mL 12.0636 mL 24.1272 mL 60.3180 mL
5 mM 0.4825 mL 2.4127 mL 4.8254 mL 12.0636 mL
10 mM 0.2413 mL 1.2064 mL 2.4127 mL 6.0318 mL
15 mM 0.1608 mL 0.8042 mL 1.6085 mL 4.0212 mL
20 mM 0.1206 mL 0.6032 mL 1.2064 mL 3.0159 mL
25 mM 0.0965 mL 0.4825 mL 0.9651 mL 2.4127 mL
30 mM 0.0804 mL 0.4021 mL 0.8042 mL 2.0106 mL
40 mM 0.0603 mL 0.3016 mL 0.6032 mL 1.5079 mL
50 mM 0.0483 mL 0.2413 mL 0.4825 mL 1.2064 mL
60 mM 0.0402 mL 0.2011 mL 0.4021 mL 1.0053 mL
80 mM 0.0302 mL 0.1508 mL 0.3016 mL 0.7540 mL
100 mM 0.0241 mL 0.1206 mL 0.2413 mL 0.6032 mL
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Zinquin ethyl ester 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:

Zinquin ethyl ester181530-09-6Fluorescent Dyezinc ion-specific fluorophorelipophiliczinc-sensitiveZinquin derivativepenetrate cell membraneInhibitorinhibitorinhibit

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