Cas 1031231-24-9,C<sub>25</sub>H<sub>22</sub>O

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Check Digit Verification of cas no

The CAS Registry Mumber 1031231-24-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,1,2,3 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1031231-24:
(9*1)+(8*0)+(7*3)+(6*1)+(5*2)+(4*3)+(3*1)+(2*2)+(1*4)=69
69 % 10 = 9
So 1031231-24-9 is a valid CAS Registry Number.

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1031231-24-9Relevant academic research and scientific papers

A convenient new method to construct 1-alkynyl cyclopropanol and its synthetic application to prepare trisubstituted dienones

An, Yan,Liu, Jie,Jiang, Hai-Ying,Wang, Yahui,Chen, Zili

, p. 3124 - 3128 (2008/09/20)

A new synthetic route was developed via the nucleophilic addition of lithium alkynylide to 1-arylsulfonyl cyclopropanol 1 to afford 1-alkynyl cyclopropanol, which then reacted with aryl iodide to construct trisubstituted cross-conjugated dienones through

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