769169-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 769169-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,9,1,6 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 769169-19:
(8*7)+(7*6)+(6*9)+(5*1)+(4*6)+(3*9)+(2*1)+(1*9)=219
219 % 10 = 9
So 769169-19-9 is a valid CAS Registry Number.