31469-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31469-69-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,4,6 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31469-69:
(7*3)+(6*1)+(5*4)+(4*6)+(3*9)+(2*6)+(1*9)=119
119 % 10 = 9
So 31469-69-9 is a valid CAS Registry Number.