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6233-18-7

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6233-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6233-18-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,3 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 6233-18:
(6*6)+(5*2)+(4*3)+(3*3)+(2*1)+(1*8)=77
77 % 10 = 7
So 6233-18-7 is a valid CAS Registry Number.

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