69984-49-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69984-49-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,9,8 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 69984-49:
(7*6)+(6*9)+(5*9)+(4*8)+(3*4)+(2*4)+(1*9)=202
202 % 10 = 2
So 69984-49-2 is a valid CAS Registry Number.