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Product 7027

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Catalog ID 7027 / 20 x 50 ug

    Other Unit Sizes:    7077 / 1 mg    7089 / 1 ml    7755 / 1 Kit: 2 vials each: Calcein AM and EthD-1    7912 / 20 X 50 ug   

Calcein, AM *Sp-Pak*

Formula Weight CAS#
C46H46N2O23 994.87 148504-34-1
For 25+ Units, Contact us.

Calcein AM is a cell-permeant dye that can be used to determine cell viability. The acetomethoxy derivate of calcein (calcein AM) is used in biology as it can be transported through the cellular membrane into live cells, which makes it useful for testing of cell viability and for short-term labeling of cells. An acetomethoxy group obscures the part of the molecule that chelates Ca2+, Mg2+, Zn2+ and other ions. After transport into the cells, intracellular esterases remove the acetomethoxy group, the molecule gets trapped inside and gives out strong green fluorescence. As dead cells lack active esterases, only live cells are labeled and counted by flow cytometry. We also offer it as 1 mg size (#7077), in DMSO (#7089, SP-Sol) and Extra Pure (#7025, X-Pure)

Product Size 20 x 50 ug
Form White Solid
Absorption (estimated) Wavelength (λmax) 283 ± 3 nm (Methanol)
Storage conditions Freeze: Store at -5 to -30°C (F) Protect from moisture (D) Protect from light (L)
MDL# MFCD05861516

Fluorescent Probes and Related Products:   Fluorescein, Naphthofluorescein and seminaphthofluorescein
Fluorescent/Non-Fluorescent Membrane and Membrane Potential Probes:   Neutral Probes

Safety Data Sheet
SDS-PDF
Certificates of Analysis
Lot 52393 11-Jun-2023
Lot 51817 02-Jun-2020
Lot 51778 14-Feb-2020
Lot 51758 30-Dec-2019
Lot 51542 12-Dec-2018
Lot 51085 30-Jan-2017
Lot 50369 10-Mar-2015

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