Skip to Content
Merck
CN
All Photos(4)

Key Documents

View All Documentation

410217

Sigma-Aldrich

2′,7′-Dichlorofluorescein

ACS reagent

Synonym(s):

Dichlorofluorescein; Fluorescein 27

Sign Into View Organizational & Contract Pricing
All Photos(4)

About This Item

Empirical Formula (Hill Notation):
C20H10Cl2O5
CAS Number:
76-54-0
Molecular Weight:
401.20
Beilstein:
58009
EC Number:
200-968-6
MDL number:
MFCD00005047
UNSPSC Code:
12171500
PubChem Substance ID:
24865700
NACRES:
NA.47

grade

ACS reagent

Quality Level

200

form

powder

technique(s)

titration: suitable

color

orange to red-brown, powder

mp

280 °C (dec.) (lit.)

solubility

alcohol: passes test

density

0.790 g/cm3

λmax

509 nm

suitability

passes test for adsorption indicator

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1cc2Oc3cc(O)c(Cl)cc3C4(OC(=O)c5ccccc45)c2cc1Cl

InChI

1S/C20H10Cl2O5/c21-13-5-11-17(7-15(13)23)26-18-8-16(24)14(22)6-12(18)20(11)10-4-2-1-3-9(10)19(25)27-20/h1-8,23-24H

InChI key

VFNKZQNIXUFLBC-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

2′,7′-Dichlorofluorescein is an oxidation-sensitive fluorescent probe.

Application

2′,7′-Dichlorofluorescein has been used to measure ROS (reactive oxygen species) formation in cells. It has been used as a fluorogenic substrate to study the peroxidase activity of saliva samples and extracts obtained from submandibular glands.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCL8813
BCCK3080
BCCH5169
BCCF7954
BCBG1058V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What can be used to make a solution of 2´,7´-dichlorofluorescein?

    2´,7´-Dichlorofluorescein is soluble at 25 mg/mL absolute ethanol with heating. 2´,7´-Dichlorofluorescein is also soluble in water at 0.1 mg/mL.

  6. In what types of applications can 2´,7´-Dichlorofluorescein be used?

    Some applications for use of 2´,7´-Dichlorofluorescein are listed below. This product can be used for the determination of carbohydrates by fluorescence densitometry after TLC.  See G. Gübitz et al., J. Chromatogr., 117, 337, (1976). 2´,7´-Dichlorofluorescein as also been used in the determination of H2O2 by chemiluminescence. See the following references by H. Watanabe et al. Anal. Sci. 2, 461, (1986) and T. Segawa et al. Anal. Sci. 6, 763, (1990). This product has also been used as a  fluorescent additive used in indirect fluorimetric detection in OTC-HPLC. See W.D. Pfeffer and E.S. Yeung, J. Chromatogr., 506, 401, (1990).

  7. What excitation /emission wavelengths are best for fluorescence detection of 2´,7´-Dichlorofluorescein?

    2´,7´-Dichlorofluorescein can be detected at an excitation wavelength at 504 nm and emission wavelength at 529 nm in 0.1 M Tris pH 8.0.

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Andréa G K Ferreira et al.
Journal of cellular biochemistry, 113(1), 174-183 (2011-09-02)
The present study investigated the effects of chronic hyperprolinemia on oxidative and metabolic status in liver and serum of rats. Wistar rats received daily subcutaneous injections of proline from their 6th to 28th day of life. Twelve hours after the
L Foucaud et al.
Toxicology in vitro : an international journal published in association with BIBRA, 24(6), 1512-1520 (2010-07-20)
The aim of this study was to investigate whether carbon black (CB) nanoparticles might induce toxicity to monocytic cells in vitro via an oxidative stress mechanism involving formation of the lipid peroxidation product 4-hydroxynonenal (4-HNE) and the subsequent role of
Gyorgy Hajas et al.
Free radical biology & medicine, 52(4), 749-756 (2011-12-27)
8-Oxo-7,8-dihydroguanine is one the most abundant base lesions in pro- and eukaryotic DNA. In mammalian cells, it is excised by the 8-oxoguanine DNA glycosylase (OGG1) during DNA base-excision repair, and the generated free 8-oxoG base is one of the DNA-derived
M-C Chang et al.
Journal of periodontal research, 48(1), 66-73 (2012-07-28)
Short-chain fatty acids, such as butyric acid and propionic acid, are metabolic by-products generated by periodontal microflora such as Porphyromonas gingivalis, and contribute to the pathogenesis of periodontitis. However, the effects of butyrate on the biological activities of gingival fibroblasts
Olga N Pakhomova et al.
Archives of biochemistry and biophysics, 527(1), 55-64 (2012-08-23)
Nanosecond pulsed electric field (nsPEF) is a novel modality for permeabilization of membranous structures and intracellular delivery of xenobiotics. We hypothesized that oxidative effects of nsPEF could be a separate primary mechanism responsible for bioeffects. ROS production in cultured cells
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service