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Merck

D6883

2′,7′-Dichlorodihydrofluorescein diacetate

≥97% (HPLC), powder, cell-permeable non-fluorescent probe

Synonym(s):

2′,7′-Dichlorofluorescin diacetate, DCFH-DA, 2′,7′-Dichlorodihydrofluorescein diacetate

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About This Item

Empirical Formula (Hill Notation):
C24H16Cl2O7
CAS Number:
4091-99-0
Molecular Weight:
487.29
NACRES:
NA.77
PubChem Substance ID:
24894058
UNSPSC Code:
12352200
MDL number:
MFCD00128955
Beilstein/REAXYS Number:
4610273

Key Documents

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Product Name

2′,7′-Dichlorodihydrofluorescein diacetate, ≥97%

InChI

1S/C24H16Cl2O7/c1-11(27)31-21-9-19-15(7-17(21)25)23(13-5-3-4-6-14(13)24(29)30)16-8-18(26)22(32-12(2)28)10-20(16)33-19/h3-10,23H,1-2H3,(H,29,30)

SMILES string

CC(=O)Oc1cc2Oc3cc(OC(C)=O)c(Cl)cc3C(c2cc1Cl)c4ccccc4C(O)=O

InChI key

PXEZTIWVRVSYOK-UHFFFAOYSA-N

assay

≥97%

form

powder

storage temp.

−20°C

Quality Level

200

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Application

2′,7′-Dichlorofluorescin diacetate is suitable for use in:
  • sensitive and rapid quantitation of oxygen-reactive species in response to oxidative metabolism
  • microplate assay for detecting oxidative products in phagocytic cells
  • quantitative multiwell myeloid differentiation assay

Applications include sensitive and rapid quantitation of oxygen-reactive species in response to oxidative metabolism; microplate assay for detecting oxidative products in phagocytic cells, and quantitative multiwell myeloid differentiation assay.

General description

2′,7′-Dichlorodihydrofluorescein diacetate (DCFH-DA) is an oxidation-sensitive fluorescent dye used to detect the intracellular reactive oxygen species (ROS) level. DCFH-DA is a cell-permeable non-fluorescent probe, that can be hydrolyzed by intracellular esterase to DCFH, which forms fluorescent DCF when oxidized by the intracellular ROS.
The excitation wavelength is 504 nm and emission wavelength is 529 nm in ethanol. The use of DMSO as the solvent has not been determined, however various publications suggest that it is suitable.

Other Notes

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Preparation Note

This product should be stored in powdered format at -20°C.

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
059M4133V
13190110
059M4118V
118M4012V
088M4124V

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Journal of clinical pathology, 72(8), 520-524 (2019-04-24)
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The aim of this study was the characterization of the in vitro cytotoxic properties of a recently isolated diterpene compound, 7β-acetoxy-20-hydroxy-19,20-epoxyroyleanone (compound 1), extracted from Salvia corrugata, versus human cell lines. We used as model study immortalized breast epithelial cells
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