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138252-52-5

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138252-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138252-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,5 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138252-52:
(8*1)+(7*3)+(6*8)+(5*2)+(4*5)+(3*2)+(2*5)+(1*2)=125
125 % 10 = 5
So 138252-52-5 is a valid CAS Registry Number.

138252-52-5Relevant articles and documents

Photosensitized oxidation of isoeugenol in protic and aprotic solvents

Kuo,Chen,Wang

, p. 2196 - 2200 (2007/10/02)

Sensitized photooxygenation of isoeugenol gave seven products in methanol, seven products in ethanol, six products in acetone, and five products in acetonitrile. One of the products is a 7,7'-linked lignan of a type which has not yet been observed in nature. The structures of these products were elucidated and the mechanisms of their formation are discussed.

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