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ChemicalBook Product Catalog FM4-64

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FM4-64 NEW

$303.00 1mg

$533.00 5mg

$772.00 10mg

Min. Order
Purity99.99%
Cas No162112-35-8
Supply Ability10g
Update time2026-04-30

TargetMol Chemicals Inc.

TargetMol Chemicals Inc.

VIP6Y

United States

United States

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Chemical Properties

Product Name	FM4-64
CAS No	162112-35-8
EC-No
Min. Order
Purity	99.99%
Supply Ability	10g
Release date	2026/04/30

Product Introduction

Bioactivity

Name	FM4-64
Description	FM4-64 (SynaptoRedTM C2) is a stylane-based dye that is largely non-fluorescent in aqueous solution. FM4-64 cannot passively diffuse into the cell interior after binding to the plasma membrane bilayer and must be transported across the membrane by active transport. FM4-64 can be used to study endocytosis exocytosis and vesicle trafficking.
Cell Research	Instructions for use I. Solution preparation 1. Stock solution: Dissolve FM4-64 in DMSO or sterile water to prepare a high concentration stock solution (usually 1–5 mM). 2. Working solution: Dilute the stock solution to the working concentration (usually 1–10 µM) according to the experimental needs, using an appropriate buffer (such as PBS or serum-free medium). Notes: 1) FM4-64 is a membrane-affinity dye, but it cannot penetrate into cells, so it is suitable for labeling cell membranes or vesicle membranes. 2) The dye will degrade under light, so try to avoid light during operation. II. Operation steps 1. Cell experiment 1) Cell preparation: Culture cells to an appropriate density. Wash cells with serum-free medium or PBS before staining to remove residual substances. Staining steps: 2) Add the working solution directly to the cell culture medium and mix gently. 3) Incubate at an appropriate temperature (e.g., 37°C) for 5–30 minutes, which needs to be optimized based on the experiment. 4) Washing: Wash the cells multiple times with an appropriate buffer (e.g., PBS) to remove unbound dye. Optionally, use cold PBS to terminate staining and reduce background signal. 5) Imaging: Observe the sample using a fluorescence microscope. Excitation wavelength: ~515–540 nm. Emission wavelength: ~640–700 nm (red fluorescence signal). 2. Tissue experiments 1) Tissue preparation: Fix and permeabilize tissue sections (if necessary) to enhance dye penetration. 2) Staining steps: Add working solution to tissue sections and incubate for 10–30 minutes. 3) Washing: Wash tissue sections with PBS to remove excess dye. 4) Imaging: Also observe the red fluorescence signal using a fluorescence microscope. The above information is based on published literature. Experimental procedures should be appropriately modified to meet specific research demands.
Storage	Powder: -20°C for 3 years \| In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature.
Solubility Information	DMSO : 30 mg/mL (49.38 mM), Sonication is recommended. 10% DMSO+40% PEG300+5% Tween-80+45% Saline : 1 mg/mL (1.65 mM), Sonication is recommended.
Keywords	FM4-64 \| FM-4-64 \| FM464 \| FM4 64

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