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  3. Ethyl eosin

Ethyl eosin is a fluorescent dye with an absorption peak at 527 nm and an absorption shoulder at 487 nm.

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

Ethyl eosin Chemical Structure

Ethyl eosin Chemical Structure

CAS No. : 6359-05-3

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Based on 1 publication(s) in Google Scholar

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Description

Ethyl eosin is a fluorescent dye with an absorption peak at 527 nm and an absorption shoulder at 487 nm[1].

Molecular Weight

714.03

Formula

C22H11Br4KO5

CAS No.
Appearance

Solid

Color

Brown to reddish brown

SMILES

O=C(C1=C(C2=C3C=C(C(C(Br)=C3OC4=C2C=C(Br)C(O[K])=C4Br)=O)Br)C=CC=C1)OCC

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

4°C, sealed storage, away from moisture and light

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

Solvent & Solubility
In Vitro: 

DMSO : 12.5 mg/mL (17.51 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 1.4005 mL 7.0025 mL 14.0050 mL
5 mM 0.2801 mL 1.4005 mL 2.8010 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 (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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  • Dilution Calculator

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

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

This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo Dissolution Calculator
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation

Purity: ≥95.0%

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 (sealed storage, away from moisture and 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 1.4005 mL 7.0025 mL 14.0050 mL 35.0125 mL
5 mM 0.2801 mL 1.4005 mL 2.8010 mL 7.0025 mL
10 mM 0.1401 mL 0.7003 mL 1.4005 mL 3.5013 mL
15 mM 0.0934 mL 0.4668 mL 0.9337 mL 2.3342 mL
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Ethyl eosin 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.

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Product Name:
Ethyl eosin
Cat. No.:
HY-D1489
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