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Mequinol

Name: Mequinol
Brand: Selleck Chemicals
SKU: S4077

Catalog No.S4077 Purity: 99.84%

Mequinol (4-Methoxyphenol) is a depigmentation agent.

Mequinol Chemical Structure

CAS: 150-76-5

Purity & Quality Control

Batch: S407701 DMSO] 25 mg/mL] false] Water] 25 mg/mL] false] Ethanol] 25 mg/mL] false Purity: 99.84%

99.84

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Biological Activity

Description	Mequinol (4-Methoxyphenol) is a depigmentation agent.

In vitro
In vitro	Mequinol, diluted in the culture medium or used topically at the top of the RE, leads to a decrease in pigmentation with a diminished melanin transfer human keratinocytes and melanocytes. Mequinol induces a diminution of dopa-positive melanocyte counts. ^[1] Mequinol is available in the United States in 2% concentration and is commercially marketed as a prescription skin lightener in combination with 0.01% tretinoin, functioning as a penetration enhancer, and vitamin C, in the form of ascorbic acid and ascorbyl palmitate, to enhance skin lightening. Mequinol is a substrate for tyrosinase thereby acting as a competitive inhibitor in the formation of melanin precursors. ^[2]

References

Chemical lnformation & Solubility

Molecular Weight	124.14	Formula	C₇H₈O₂
CAS No.	150-76-5	SDF	Download Mequinol SDF
Smiles	COC1=CC=C(C=C1)O
Storage (From the date of receipt)	3 years-20°Cpowder	Storage of Stock Solutions Aliquot the stock solutions to avoid repeated freeze-thaw cycles	1 year-80°Cin solvent
Storage (From the date of receipt)	3 years-20°Cpowder		1 month-20°Cin solvent

In vitro
Batch:

DMSO : 25 mg/mL ( (201.38 mM)； Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : 25 mg/mL

Ethanol : 25 mg/mL

Molecular Weight Calculator

In vivo
Batch:

Add solvents to the product individually and in order.

In vivo Formulation Calculator

Preparing Stock Solutions

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
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Dilution Calculator Molecular Weight Calculator

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg Average weight of animals: g Dosing volume per animal:μL Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO + % + % Tween 80 + % ddH₂O

%DMSO+ %

Calculation results:

Working concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such
as vortex, ultrasound or hot water bath can be used to aid dissolving.

Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

Handling Instructions

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