77935-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77935-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,3 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77935-69:
(7*7)+(6*7)+(5*9)+(4*3)+(3*5)+(2*6)+(1*9)=184
184 % 10 = 4
So 77935-69-4 is a valid CAS Registry Number.