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7784-00-1

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7784-00-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7784-00-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,8 and 4 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 7784-00:
(6*7)+(5*7)+(4*8)+(3*4)+(2*0)+(1*0)=121
121 % 10 = 1
So 7784-00-1 is a valid CAS Registry Number.

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