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154657-69-9

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154657-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 154657-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,6,5 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 154657-69:
(8*1)+(7*5)+(6*4)+(5*6)+(4*5)+(3*7)+(2*6)+(1*9)=159
159 % 10 = 9
So 154657-69-9 is a valid CAS Registry Number.

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