Cas 78669-45-1,1H-Isoindole-1,3(2H)-dione, 4,7-dihydroxy-2-phenyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 78669-45-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,6 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78669-45:
(7*7)+(6*8)+(5*6)+(4*6)+(3*9)+(2*4)+(1*5)=191
191 % 10 = 1
So 78669-45-1 is a valid CAS Registry Number.

78669-45-1Upstream product

78669-45-1Downstream Products

70453-90-6 N-phenylimide-1,4-benzoquinone-2,3-dicarboxylic acid

78669-45-1Relevant academic research and scientific papers

Reagent Design and Study of p-Benzoquinone Derivatives as Highly Reactive Electron-Attracting Dienophiles. A Promising Class of Reagents (Synthons) for Cycloaddition

Kanematsu, Ken,Morita, Shiro,Fukushima, Sunao,Osawa, Eiji

, p. 5211 - 5215 (1981)

p-Benzoquinone-2,3-dicarboxylic anhydride (4) and N-phenylimide (5) were prepared by oxidation of the corresponding hydroquinones.Compounds 4 and 5 are found to have high reactivities toward electron-rich dienes and trienes such as norbornadiene, 6,6-dime

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