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1786969-20-7

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1786969-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1786969-20-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,8,6,9,6 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1786969-20:
(9*1)+(8*7)+(7*8)+(6*6)+(5*9)+(4*6)+(3*9)+(2*2)+(1*0)=257
257 % 10 = 7
So 1786969-20-7 is a valid CAS Registry Number.

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