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25409-21-6

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25409-21-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25409-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,4,0 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 25409-21:
(7*2)+(6*5)+(5*4)+(4*0)+(3*9)+(2*2)+(1*1)=96
96 % 10 = 6
So 25409-21-6 is a valid CAS Registry Number.

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