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138900-83-1

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138900-83-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138900-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,0 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138900-83:
(8*1)+(7*3)+(6*8)+(5*9)+(4*0)+(3*0)+(2*8)+(1*3)=141
141 % 10 = 1
So 138900-83-1 is a valid CAS Registry Number.

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