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77868-72-5

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77868-72-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77868-72-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,6 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77868-72:
(7*7)+(6*7)+(5*8)+(4*6)+(3*8)+(2*7)+(1*2)=195
195 % 10 = 5
So 77868-72-5 is a valid CAS Registry Number.

77868-72-5Downstream Products

77868-72-5Relevant articles and documents

Cycloaddition Reactions of Heteroaromatic Thiketones with Maleic Anhydride, Norbornene, Acrylonitrile, Styrene, and 2-Chloroacrylonitrile

Ohmura, Haruo,Motoki, Shinichi

, p. 1131 - 1137 (2007/10/02)

Heteroaromatic thioketones react with maleic anhydride, norbornene, acrylonitrile, and styrene to form the Diels-Alder adducts, respectively.The thioketones also undergo cycloaddition with 2-chloroacrylonitrile followed by elimination of hydrogen chloride

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