769969-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 769969-45-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,9,9,6 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 769969-45:
(8*7)+(7*6)+(6*9)+(5*9)+(4*6)+(3*9)+(2*4)+(1*5)=261
261 % 10 = 1
So 769969-45-1 is a valid CAS Registry Number.