161383-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161383-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,3,8 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 161383-11:
(8*1)+(7*6)+(6*1)+(5*3)+(4*8)+(3*3)+(2*1)+(1*1)=115
115 % 10 = 5
So 161383-11-5 is a valid CAS Registry Number.