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F7378

Fluorescein diacetate

Powder

Synonyme(s) :

3,6-Diacetoxyfluoran, Di-O-acetylfluorescein

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A propos de cet article

Formule empirique (notation de Hill) :
C24H16O7
Numéro CAS:
Poids moléculaire :
416.38
NACRES:
NA.47
PubChem Substance ID:
UNSPSC Code:
12171500
EC Number:
209-877-6
MDL number:
Beilstein/REAXYS Number:
62575
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Nom du produit

Fluorescein diacetate, used as cell viability stain

Quality Level

form

powder

technique(s)

titration: suitable

color

white to faint yellow

mp

200-203 °C (lit.)

solubility

acetone: 25 mg/mL

ε (extinction coefficient)

≥86000 at 488-494 nm in 0.1 M NaOH

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CC(=O)Oc1ccc2c(Oc3cc(OC(C)=O)ccc3C24OC(=O)c5ccccc45)c1

InChI

1S/C24H16O7/c1-13(25)28-15-7-9-19-21(11-15)30-22-12-16(29-14(2)26)8-10-20(22)24(19)18-6-4-3-5-17(18)23(27)31-24/h3-12H,1-2H3

InChI key

CHADEQDQBURGHL-UHFFFAOYSA-N

General description

Lipase substrate
Fluorescein diacetate (FDA) is a non-fluorescent molecule, which is hydrolysed to fluorescent fluorescein in live cells. Dead cells cannot accumulate or hydrolyse FDA.

Application

Fluorescein diacetate has been used for the differentiation of live cells from dead cells.

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1 of 1

Cet article
21879C5041F2456
technique(s)

titration: suitable

technique(s)

-

technique(s)

-

technique(s)

titration: suitable

color

white to faint yellow

color

-

color

white to yellow

color

orange to red-brown

solubility

acetone: 25 mg/mL

solubility

DMSO: soluble

solubility

chloroform/ethanol (1:1): 9.80-10.20 mg/mL, clear, colorless to light yellow

solubility

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

form

powder

form

powder

form

powder

form

powder

Quality Level

200

Quality Level

100

Quality Level

100, 200

Quality Level

200


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Classe de stockage

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



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Effect of shock waves on suspended and immobilized L1210 cells.
Brummer F
Ultrasound in Medicine & Biology, 15, 229-229 (1989)
The influence of scaffold microstructure on chondrogenic differentiation of mesenchymal stem cells.
Zhang J
Biomedical Materials (Bristol, England), 9, 035011-035011 (2014)
Melina M Malinen et al.
Tissue engineering. Part A, 18(23-24), 2418-2425 (2012-06-21)
Current hepatocyte models do not mimic the human liver morphology and functions properly and, therefore, drug metabolism, excretion, and toxicity in the liver are inadequately predicted. In this study, we established three-dimensional (3D) hepatic cell cultures in hydrogels of peptide



Numéro d'article de commerce international

RéférenceGTIN
F7378-25G04061835347735
F7378-10G04061835347728
F7378-100G04061833619599
F7378-5G04061835347742

Questions

1–8 of 8 Questions  
  1. How long can you store the FdA F7378 dissolved in acetone (5mg/ml) at -20°C?

    1 answer
    1. The stability of this compound in solution has not been evaluated. However, external sources indicate that stock solutions prepared in DMSO are stable for up to 6 months at -20°C when protected from light. Similar compound DCFHDA, product 35845, is stable in organic solvents for up to 6 months at -20°C, when protected from light.

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  2. Storage of the product

    1 answer
    1. This product is stored at room temperature.

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  3. After Product F7378, Fluorescein diacetate, has been converted to fluorescein, what are the maximum excitation and emission wavelengths?

    1 answer
    1. The maximum excitation wavelength is 490 nm and the maximum emission wavelength is 526 nm.

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  4. Is Product F7378, Fluorescein diacetate, a fluorescent compound?

    1 answer
    1. No. Only upon hydrolysis of the esters, catalyzed by cellular esterase, the lactone ring opens yielding fluorescein.  Only the fluorescein form is fluorescent.

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  5. What solubility information do you have on Product F7378, Fluorescein diacetate?

    1 answer
    1. We have found that it is slightly soluble in water at 0.1%, and in ethanol at 0.3%. It is also soluble in dimethylformamide (DMF).

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  6. What are some common applications for Product F7378, Fluorescein diacetate?

    1 answer
    1. This compound is used extensively for the staining of living cells.  It has been used as a viability stain for cultured neurons and plant ways, and in measuring of esterase and cholinesterase activity. See the following references for usage: Fluorometric determination of lipase: Guilbault, G.G. and Kramer, D.N., "Fluorometric Determination of Lipase, Acylase, Alpha- and Gamma- Chymotrypsin and Inhibitors of These Enzymes", Anal. Chem. 36, 409, 1964. ; Anal. Biochem., Vol. 14, 28 (1966);Fluorescent stain for viable rosette-forming cells: J. Immun. Meth., Vol. 5,305 (1974);Fluorogenic substrate detection of viable pathogenic protozoa: Science, Vol. 227, 435 (1985);Reference Standard in antibody studies: Anal. Biochem., Vol. 9, 474 (1964);Cell viability staining: Staining Procedures, G. Clark, 4th ed., p. 93.Guilbault, G.G. and Kramer, D.N., "Fluorometric Determination of Lipase, Acylase, Alpha- and Gamma- Chymotrypsin and Inhibitors of These Enzymes, Anal. Chem. 36, 409, 1964.""   "

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  7. How stable are solutions of Product F7378, Fluorescein diacetate, once prepared?

    1 answer
    1. Based on our experience, stock solutions of fluorescein diacetate at 5 mg/mL in acetone or DMSO can be stored at -20 °C. According to one on-line source, solutions at 5 mg/mL in acetone or ethanol can be stored refrigerated.

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

    1 answer
    1. 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.

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