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87273-91-4

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87273-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87273-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,7 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87273-91:
(7*8)+(6*7)+(5*2)+(4*7)+(3*3)+(2*9)+(1*1)=164
164 % 10 = 4
So 87273-91-4 is a valid CAS Registry Number.

87273-91-4Relevant articles and documents

ARYL REARRANGEMENT ON THE PHOTOLYSIS OF 2-ARYL-2-ETHOXY-2-PHENYLETHYL CABALOXIME.

Tada,Inoue,Okabe

, p. 1420 - 1423 (2007/10/02)

The photolysis of 2-aryl-2-ethoxy-2-phenylethyl cobaloxime followed by hydrolysis gave two kinds of substituted 1,2-diphenylethanones arising via phenyl or substituted-phenyl migration. The substituent effect on the aryl rearrangement is similar to that on the reported neophyl rearrangement, and the rearrangement takes place by a radical mechanism without the deep involvement of cobaloxine(II).

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