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(2E,4E)-5-(6-Methyl-pyridin-3-yl)-penta-2,4-dienoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

118420-16-9

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118420-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118420-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,4,2 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 118420-16:
(8*1)+(7*1)+(6*8)+(5*4)+(4*2)+(3*0)+(2*1)+(1*6)=99
99 % 10 = 9
So 118420-16-9 is a valid CAS Registry Number.

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