74761-69-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74761-69-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,6 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74761-69:
(7*7)+(6*4)+(5*7)+(4*6)+(3*1)+(2*6)+(1*9)=156
156 % 10 = 6
So 74761-69-6 is a valid CAS Registry Number.