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14728 Sigma-Aldrich

Calcein

for fluorescence, ≥93% (HPCE)

Synonym: Bis[N,N−bis(carboxymethyl)aminomethyl]fluorescein, Fluorescein-bis(methyliminodiacetic acid), Fluorexon

  • CAS Number 154071-48-4

  • Empirical Formula (Hill Notation) C30H26N2O13

  • Molecular Weight 622.53

  •  Beilstein Registry Number 8181068

  •  EC Number 215-957-1

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Properties

grade   for fluorescence
assay   ≥93% (HPCE)
solubility   H2O: soluble
fluorescence   λex 470 nm; λem 509 nm in PBS

Description

Application

Indicator for the fluorimetric determination of calcium (in presence of Mg) by complexometric titration; Determination of Ca in biological systems.

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Physical properties

Highly purified and consists of one isomer (the 4′,5′-isomer).

Price and Availability

Safety & Documentation

Safety Information

WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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C0875 Calcein, Used for the fluorometric determination of calcium and EDTA titration of calcium in the presence of magnesium.

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