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77978-42-8

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77978-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77978-42-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,7 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77978-42:
(7*7)+(6*7)+(5*9)+(4*7)+(3*8)+(2*4)+(1*2)=198
198 % 10 = 8
So 77978-42-8 is a valid CAS Registry Number.

77978-42-8Downstream Products

77978-42-8Relevant articles and documents

Reactions of Fulvenes with 1,3-Dipolar Compounds, II. - Reactions of 6,6-Disubstituted Fulvenes with 3-Methyl-2,4-diphenyl-1,3-oxazolium-5-olate

Friedrichsen, Willy,Schroeer, Wolf-D.,Debaerdemaeker, Tony

, p. 491 - 501 (2007/10/02)

6,6-Disubstituted fulvenes 1 react with 3-methyl-2,4-diphenyl-1,3-oxazolium-5-olate (2) in a cycloaddition at the endocyclic double bond to give pyrrofulvenes 3, bispyrrofulvenes 4, the cage compound 14, and the dipyrrylethylene 16.An intermedia

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