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144997-23-9

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144997-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144997-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,9 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 144997-23:
(8*1)+(7*4)+(6*4)+(5*9)+(4*9)+(3*7)+(2*2)+(1*3)=169
169 % 10 = 9
So 144997-23-9 is a valid CAS Registry Number.

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