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1373551-67-7

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1373551-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1373551-67-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,3,5,5 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1373551-67:
(9*1)+(8*3)+(7*7)+(6*3)+(5*5)+(4*5)+(3*1)+(2*6)+(1*7)=167
167 % 10 = 7
So 1373551-67-7 is a valid CAS Registry Number.

1373551-67-7Relevant articles and documents

Nickel-catalyzed decarboxylative polymerization of 6-alkynylisatoic anhydride

Nakai, Kenichiro,Shiba, Takahiro,Yoshino, Yasufumi,Kurahashi, Takuya,Matsubara, Seijiro

, p. 1240 - 1241 (2011)

A new methodology for preparation of polyquinolone was developed. Iterative nickel-catalyzed reaction of 6-alkynylisatoic anhydride monomer affords polyquinolone via decarboxylative cycloaddition without formation of residual by-product. It was demonstrat

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