77069-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77069-07-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,6 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77069-07:
(7*7)+(6*7)+(5*0)+(4*6)+(3*9)+(2*0)+(1*7)=149
149 % 10 = 9
So 77069-07-9 is a valid CAS Registry Number.