Cas 113722-03-5,2-(2-p-chlorobenzoylacetoxy)phenyl-6-p-chlorophenyl-1,3-dioxin-4-one

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Check Digit Verification of cas no

The CAS Registry Mumber 113722-03-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,7,2 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 113722-03:
(8*1)+(7*1)+(6*3)+(5*7)+(4*2)+(3*2)+(2*0)+(1*3)=85
85 % 10 = 5
So 113722-03-5 is a valid CAS Registry Number.

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113722-03-5Relevant academic research and scientific papers

FIVE-MEMBERED 2,3-DIOXOHETEROCYCLES. IV. AROYLACETYLATION OF PHENOLS BY 5-ARYL-2,3-DIHYDROFURAN-2,3-DIONES

Andreichikov, Yu. S.,Tokmakova, T. N.

, p. 796 - 800 (2007/10/02)

Phenyl aroylacetates were obtained by the reaction of phenols and pyrocatechol with 5-aryl-2,3-dihydrofuran-2,3-diones under conditions for the decarbonylation of the latter.The reaction between 5-aryl-2,3-dihydrofuran-2,3-diones and salicylaldehyde and 2-hydroxynapthaldehyde under the same conditions led to the formation of 3-aroyl-2H-chromen-2-ones, 2-(2-aroylacetoxy)phenyl-6-aryl-1,3-dioxin-4-ones, and 3-aroyl-2H-benzochromen-2-ones.

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