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212180-23-9

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212180-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 212180-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,2,1,8 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 212180-23:
(8*2)+(7*1)+(6*2)+(5*1)+(4*8)+(3*0)+(2*2)+(1*3)=79
79 % 10 = 9
So 212180-23-9 is a valid CAS Registry Number.

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