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121344-18-1

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121344-18-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121344-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,3,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 121344-18:
(8*1)+(7*2)+(6*1)+(5*3)+(4*4)+(3*4)+(2*1)+(1*8)=81
81 % 10 = 1
So 121344-18-1 is a valid CAS Registry Number.

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