1613630-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613630-17-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,6,3 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1613630-17:
(9*1)+(8*6)+(7*1)+(6*3)+(5*6)+(4*3)+(3*0)+(2*1)+(1*7)=133
133 % 10 = 3
So 1613630-17-3 is a valid CAS Registry Number.