Skip to Content
Merck
CN

14728

Sigma-Aldrich

Calcein

≥93% (HPCE)

Synonym(s):

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

Sign Into View Organizational & Contract Pricing

Select a Size

About This Item

Empirical Formula (Hill Notation):
C30H26N2O13
CAS Number:
154071-48-4
Molecular Weight:
622.53
Beilstein:
8181068
EC Number:
215-957-1
UNSPSC Code:
12171500

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Assay

≥93% (HPCE)

technique(s)

titration: suitable

solubility

H2O: soluble

fluorescence

λex 470 nm; λem 509 nm in PBS

suitability

suitable for fluorescence

SMILES string

OC(=O)CN(CC(O)=O)Cc1cc2c(Oc3cc(O)c(CN(CC(O)=O)CC(O)=O)cc3C24OC(=O)c5ccccc45)cc1O

Looking for similar products? Visit Product Comparison Guide

General description

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

Application

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

Regulatory Information

新产品

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

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

Visit the Document Library

Investigation of the use of calcein in the ultramicro fluorometric determination of calcium in serum.
J F Bandrowski et al.
Clinical chemistry, 18(11), 1411-1414 (1972-11-01)
V C Chiu et al.
Biophysical journal, 18(1), 3-22 (1977-04-01)
The fluorescent calcium indicator, calcein, has been used as a high-affinity indicator of Ca2+ in the aqueous phase at physiological pH in the study of high-affinity calcium binding to sarcoplasmic reticulum (SR). The binding constant of the indicator at physiological
T.Y. Toribara et al.
Talanta, 7, 248-248 (1961)
Wallach, D.F.H., et al.
Analytical Chemistry, 31, 456-456 (1959)

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