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28931-67-1

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  • 2-Propenoic acid,2-methyl-,esters,2-ethyl- 2-[[(2-methyl-1-oxo-2-propenyl)oxy]methyl]- 1,3-propanediyl ester,polymer with methyl 2-methyl-2-propenoate

    Cas No: 28931-67-1

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28931-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28931-67-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,3 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 28931-67:
(7*2)+(6*8)+(5*9)+(4*3)+(3*1)+(2*6)+(1*7)=141
141 % 10 = 1
So 28931-67-1 is a valid CAS Registry Number.

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