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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
Assay:
≥97%
Form:
powder
Quality level:
200

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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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.

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.

Preparation Note

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

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

D6883-BULK: + D6883-250MG-PW: + D6883-VAR: + D6883-50MG-PW: + D6883-50MG: + D6883-250MG:

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Certificates of Analysis (COA)

Lot/Batch Number
0000438975
0000438975
0000438982
0000438982
0000433554

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