Cas 827020-43-9,bis(2,4-dinitrobenzenesulfonyl)-2',7'-difluorofluorescein

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Check Digit Verification of cas no

The CAS Registry Mumber 827020-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,2,7,0,2 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 827020-43:
(8*8)+(7*2)+(6*7)+(5*0)+(4*2)+(3*0)+(2*4)+(1*3)=139
139 % 10 = 9
So 827020-43-9 is a valid CAS Registry Number.

827020-43-9Upstream product

827020-43-9Downstream Products

913689-08-4 2-(2,7-difluoro-3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid

827020-43-9Relevant articles and documents

A design of fluorescent probes for superoxide based on a nonredox mechanism

Maeda, Hatsuo,Yamamoto, Kayoko,Nomura, Yoko,Kohno, Iho,Hafsi, Leila,Ueda, Noritsugu,Yoshida, Shoko,Fukuda, Masako,Fukuyasu, Yuka,Yamauchi, Yuji,Itoh, Norio

, p. 68 - 69 (2005)

Fluorometric detection of O2-? is performed based on desulfonylation of 3 to the corresponding fluoresceins 4 through nucleophilic substitution, and this fluorescing process is quite specific toward O2-? over H

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827020-43-9