Eosin-5-isothiocyanate - ≥95% , CAS No.60520-47-0

CAS: 60520-47-0 Cat. No.: E131264 Molecular Weight: 704.97 EC Number: 637-417-8

GRADE & PURITY ≥95%

Synonyms

2',4',5',7'-Tetrabromo-3',6'-Dihydroxy-5-Isothiocyanato-Spiro[Isobenzofuran-1(3H),9'-[9H]Xanthen]-3-One

Storage

Protected from light,Store at -20°C,Argon charged

Shipped In

Ice chest + Ice pads

Overview

EITC is an acceptor fluorophore used in measurement of rotational diffusion of proteins and in fluorescence energy transfer studies.
Eosin 5-isothiocyanate (EITC) is a fluorescence probe. EITC tagged molecules may be used together with fluorescein-5′-isothiocyanate (FITC) tagged molecules in fluoresce resonance energy transfer (FRET) based assays

Specifications

Synonyms

2', 4', 5', 7'-Tetrabromo-3', 6'-Dihydroxy-5-Isothiocyanato-Spiro[Isobenzofuran-1(3H), 9'-[9H]Xanthen]-3-One

Specifications & Purity

≥95%

Biochemical and Physiological Mechanisms

Red fluorescent label used to label amino groups on proteins. Can also be used as a reversible inhibitor of the erythrocyte calcium pump. An effective phosphorescent probe in protein rotational studies.

Storage

Protected from light, Store at -20°C, Argon charged

Shipped In

Ice chest + Ice pads

This product requires cold chain shipping. Ground and other economy services are not available.

Note

Refer to SDS for further information Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.

Purity

≥95%

Names and Identifiers

• Molecular Weight: 704.97

Chemical and Physical Properties

• Sensitivity: Light and moisture sensitive

References

1. Wang Luyao, Zhou Wen, Chen Hang, Jia Xiangqian, Zheng Peiyuan, Jiang Haolin, Wu Mengling, Zhang Yaning, Ding Yanchao, Peng Yexi, Zhu Rui, Li Tiantian, Tian Boxue, Du Bujie, Du Juanjuan.  (2025)  Barcoded screening identifies nanocarriers for protein delivery to kidney.  Nature Communications,  16  (1): (1-15).  [PMID:39837887] [10.1038/s41467-025-56257-3]