1613023-31-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613023-31-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,0,2 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1613023-31:
(9*1)+(8*6)+(7*1)+(6*3)+(5*0)+(4*2)+(3*3)+(2*3)+(1*1)=106
106 % 10 = 6
So 1613023-31-6 is a valid CAS Registry Number.