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16789-56-3

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16789-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16789-56-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,8 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 16789-56:
(7*1)+(6*6)+(5*7)+(4*8)+(3*9)+(2*5)+(1*6)=153
153 % 10 = 3
So 16789-56-3 is a valid CAS Registry Number.

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