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237421-80-6

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237421-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 237421-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,7,4,2 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 237421-80:
(8*2)+(7*3)+(6*7)+(5*4)+(4*2)+(3*1)+(2*8)+(1*0)=126
126 % 10 = 6
So 237421-80-6 is a valid CAS Registry Number.

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