69413-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69413-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,1 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 69413-16:
(7*6)+(6*9)+(5*4)+(4*1)+(3*3)+(2*1)+(1*6)=137
137 % 10 = 7
So 69413-16-7 is a valid CAS Registry Number.