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FD10S

Sigma-Aldrich

Fluorescein isothiocyanate–dextran

average mol wt 10,000

Synonym(s):

FITC–Dextran

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352201
NACRES:
NA.25

biological source

sugar beets root

Quality Level

conjugate

FITC conjugate

form

powder

mol wt

average mol wt 10,000

extent of labeling

0.003-0.020 mol FITC per mol glucose

color

yellow to yellow-orange

solubility

water: 25 mg/mL, cloudy to hazy, yellow to orange

storage temp.

2-8°C

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Application

Dextran labeled with fluorescein isothiocyanate for possible use in perfusion studies in animals.

Preparation Note

Sigma typically tests the solubility of FITC dextrans in water at concentrations at or above 25 mg/ml. Solutions should be protected from light. In vivo, FITC-dextran is stable for more than 24 hours.

Other Notes

Native dextran has been found to have a molecular weight (MW) in the range of 9 million to 500 million. Lower MW dextrans will exhibit slightly less branching and have a more narrow range of MW distribution. Dextrans with MW greater than 10,000 behave as if they are highly branched. As the MW increases, dextran molecules attain greater symmetry. Dextrans with MW of 2,000 to 10,000, exhibit the properties of an expandable coil. At MW below 2,000, dextran is more rod-like. The MW of dextran is measured by one or more of the following methods: low angle laser light scattering, size exclusion chromatography, copper-complexation and anthrone reagent colorometric reducing-end sugar determination and viscosity.
To gain a comprehensive understanding of our extensive range of Dextrans for your research, we encourage you to visit our Carbohydrates Category page.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

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Related Content

Dextran is a polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages. The remaining (163) linkages account for the branching of dextran.

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