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1665288-66-3

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1665288-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1665288-66-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,6,5,2,8 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1665288-66:
(9*1)+(8*6)+(7*6)+(6*5)+(5*2)+(4*8)+(3*8)+(2*6)+(1*6)=213
213 % 10 = 3
So 1665288-66-3 is a valid CAS Registry Number.

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