Cas 1155382-46-9,C19H20O2

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Check Digit Verification of cas no

The CAS Registry Mumber 1155382-46-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,5,3,8 and 2 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1155382-46:
(9*1)+(8*1)+(7*5)+(6*5)+(5*3)+(4*8)+(3*2)+(2*4)+(1*6)=149
149 % 10 = 9
So 1155382-46-9 is a valid CAS Registry Number.

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1155382-46-9Relevant articles and documents

Phosphazene-base-catalyzed tandem addition-cyclization reaction of o-alkynylbenzaldehyde with oxygen and nitrogen nucleophiles

Kanazawa, Chikashi,Ito, Akira,Terada, Masahiro

experimental part, p. 638 - 642 (2009/07/01)

The tandem addition-cyclization reaction between o-alkynylbenzaldehyde and nucleophile catalyzed by P4-tBu, a phosphazene base, is demonstrated. The nucleophilic cyclization is efficiently triggered not only by alcohols, including sterically de

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1155382-46-9