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153488-94-9

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153488-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 153488-94-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,4,8 and 8 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 153488-94:
(8*1)+(7*5)+(6*3)+(5*4)+(4*8)+(3*8)+(2*9)+(1*4)=159
159 % 10 = 9
So 153488-94-9 is a valid CAS Registry Number.

153488-94-9Relevant articles and documents

Organolead-mediated Arylation of Allyl β-Ketoesters: A Selective Synthesis of Isoflavanones and Isoflavones

Donnelly, Dervilla M.,Finet, Jean-Pierre,Rattigan, Bernard A.

, p. 1729 - 1736 (2007/10/02)

Arylation of A-ring substituted and unsabstituted 3-allyloxycarbonylchroman-4-ones with aryllead(IV) triacetates followed by selective catalytic deallyloxycarbonylation affords isoflavanones or isoflavones in high overall yields.The highest yield in the arylation step was observed in the reaction of 5,7-dimethoxychroman-4-one with the more hindered 2,4,6-trimethoxyphenyllead triacetate.

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