1613614-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1613614-53-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,6,1 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1613614-53:
(9*1)+(8*6)+(7*1)+(6*3)+(5*6)+(4*1)+(3*4)+(2*5)+(1*3)=141
141 % 10 = 1
So 1613614-53-1 is a valid CAS Registry Number.