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166444-45-7

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166444-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166444-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,4,4 and 4 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 166444-45:
(8*1)+(7*6)+(6*6)+(5*4)+(4*4)+(3*4)+(2*4)+(1*5)=147
147 % 10 = 7
So 166444-45-7 is a valid CAS Registry Number.

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