Patent · US Expired

4-Chloro-7-sulphobenzofurazan and salts thereof; new fluorigenic thiol specific reagents

US4358595A · kind A · utility

4Cited by

3References

5Claims

0Family size

Assignee

Pierce Chemical Company · US

Inventors

Peter Ghosh · Scone, AU
Bela Ternai · Elmore, AU
M. W. Whitehouse · Adelaide, AU

Key dates

Filing date	Oct 13, 1981
Grant date	Nov 9, 1982
Priority date	—
Expiry date	Oct 13, 2001

Classification

Technology area (CPC G)Physics
CPC primaryG01N33/533
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

New fluorigenic thiol specific reagents, 4-chloro-7-sulphobenzofurazan and salts thereof, are disclosed. The reagents are prepared by sulphonation of 4-chlorobenzofurazan. Ammonium 4-chloro-7-sulphobenzofurazan is used to label glutathione as a model thiol peptide and bovine serum albumin and jackbean urease as thiol containing proteins.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.