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(Dicarbomethoxy-2,3 hydroxy-4 phenyl)-2 cyclohexanone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128457-66-9

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128457-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128457-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,5 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128457-66:
(8*1)+(7*2)+(6*8)+(5*4)+(4*5)+(3*7)+(2*6)+(1*6)=149
149 % 10 = 9
So 128457-66-9 is a valid CAS Registry Number.

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