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18445-45-9

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18445-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18445-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,4 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 18445-45:
(7*1)+(6*8)+(5*4)+(4*4)+(3*5)+(2*4)+(1*5)=119
119 % 10 = 9
So 18445-45-9 is a valid CAS Registry Number.

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