2. Metabolic Enzyme/Protease
  3. Tyrosinase
  4. Tetrapeptide-30

Tetrapeptide-30 is a skin-brightening peptide consisting of four amino acids. Tetrapeptide-30 can act as a tyrosinase inhibitor, lightening hyperpigmentation and evening out skin tone by reducing the amount of tyrosinase and inhibiting melanocyte activation.

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

Custom Peptide Synthesis

Tetrapeptide-30 Chemical Structure

Tetrapeptide-30 Chemical Structure

CAS No. : 1036207-61-0

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Based on 1 publication(s) in Google Scholar

Tetrapeptide-30 Related Antibodies

Top Publications Citing Use of Products

  • Biological Activity

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Description

Tetrapeptide-30 is a skin-brightening peptide consisting of four amino acids. Tetrapeptide-30 can act as a tyrosinase inhibitor, lightening hyperpigmentation and evening out skin tone by reducing the amount of tyrosinase and inhibiting melanocyte activation[1].

In Vitro

Tetrapeptide-30 (0-10 μg/mL, 24 h) can effectively reduce UVB-induced gene expression of IL-6, TNF-α and POMC (proopiomelanocorticotropin), and also decreased IL-8 gene expression in a dose-dependent manner[1].
Tetrapeptide-30 (PKEK) is highly hydrophilic and has good skin penetration in microemulsion[2].

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

Tetrapeptide-30 Related Antibodies
Molecular Weight

500.59

Formula

C22H40N6O7
CAS No.
Appearance

Solid

Color

White to off-white

Sequence Shortening

PKEK
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

Sealed storage, away from moisture and light, under nitrogen

Powder -80°C 2 years
-20°C 1 year

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

Solvent & Solubility
In Vitro: 

H2O : 100 mg/mL (199.76 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.9976 mL 9.9882 mL 19.9764 mL
5 mM 0.3995 mL 1.9976 mL 3.9953 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, under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* 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.

  • Molarity Calculator

  • 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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C2

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V2

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

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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
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, 6 months; -20°C, 1 month (sealed storage, away from moisture and light, under nitrogen). 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
H2O 1 mM 1.9976 mL 9.9882 mL 19.9764 mL 49.9411 mL
5 mM 0.3995 mL 1.9976 mL 3.9953 mL 9.9882 mL
10 mM 0.1998 mL 0.9988 mL 1.9976 mL 4.9941 mL
15 mM 0.1332 mL 0.6659 mL 1.3318 mL 3.3294 mL
20 mM 0.0999 mL 0.4994 mL 0.9988 mL 2.4971 mL
25 mM 0.0799 mL 0.3995 mL 0.7991 mL 1.9976 mL
30 mM 0.0666 mL 0.3329 mL 0.6659 mL 1.6647 mL
40 mM 0.0499 mL 0.2497 mL 0.4994 mL 1.2485 mL
50 mM 0.0400 mL 0.1998 mL 0.3995 mL 0.9988 mL
60 mM 0.0333 mL 0.1665 mL 0.3329 mL 0.8324 mL
80 mM 0.0250 mL 0.1249 mL 0.2497 mL 0.6243 mL
100 mM 0.0200 mL 0.0999 mL 0.1998 mL 0.4994 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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Tetrapeptide-30 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:

Tetrapeptide-301036207-61-0Tetrapeptide30Tetrapeptide 30Tyrosinaseskin-brightening peptidetetrapeptidePKEKskin tonetyrosinasemelanocyteInhibitorinhibitorinhibit

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