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1164552-55-9

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1164552-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1164552-55-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,5,5 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1164552-55:
(9*1)+(8*1)+(7*6)+(6*4)+(5*5)+(4*5)+(3*2)+(2*5)+(1*5)=149
149 % 10 = 9
So 1164552-55-9 is a valid CAS Registry Number.

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