161365-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161365-77-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,3,6 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 161365-77:
(8*1)+(7*6)+(6*1)+(5*3)+(4*6)+(3*5)+(2*7)+(1*7)=131
131 % 10 = 1
So 161365-77-1 is a valid CAS Registry Number.