1183614-20-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1183614-20-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,3,6,1 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1183614-20:
(9*1)+(8*1)+(7*8)+(6*3)+(5*6)+(4*1)+(3*4)+(2*2)+(1*0)=141
141 % 10 = 1
So 1183614-20-1 is a valid CAS Registry Number.