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62847-90-9

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62847-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 62847-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,8,4 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 62847-90:
(7*6)+(6*2)+(5*8)+(4*4)+(3*7)+(2*9)+(1*0)=149
149 % 10 = 9
So 62847-90-9 is a valid CAS Registry Number.

62847-90-9Upstream product

62847-90-9Relevant articles and documents

Isomerization of enol esters derived from 2-acyl-1,3-cyclohexanediones: Mechanism and driving force

Liu, Hun-Ge,Wu, Chung-Shieh,Wang, Jen-Fei,Yang, Ding-Yah

, p. 3137 - 3141 (2007/10/03)

A series of 2-acyl-1,3-cyclohexanediones were prepared and isomerization mechanisms of the corresponding enol esters were investigated. The driving force for this migration is likely that the intrinsic electrostatic repulsion between the 2-acyl oxygen atom and the two 1,3-diketone oxygens caused deformation of enol esters from planarity and resulted in their high susceptibility to enolization and subsequent isomerization.

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