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1331836-53-3

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1331836-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1331836-53-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,1,8,3 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1331836-53:
(9*1)+(8*3)+(7*3)+(6*1)+(5*8)+(4*3)+(3*6)+(2*5)+(1*3)=143
143 % 10 = 3
So 1331836-53-3 is a valid CAS Registry Number.

1331836-53-3Relevant articles and documents

Construction of carbocyclic ring of indoles using ruthenium-catalyzed ring-closing olefin metathesis

Yoshida, Kazuhiro,Hayashi, Kazushi,Yanagisawa, Akira

supporting information; experimental part, p. 4762 - 4765 (2011/11/13)

The selective synthesis of substituted indoles was achieved by the ring-closing olefin metathesis (RCM)/elimination sequence or the RCM/tautomerization sequence of functionalized pyrrole precursors. The RCM/elimination sequence was also applied to double

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