131669-62-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131669-62-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,6 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131669-62:
(8*1)+(7*3)+(6*1)+(5*6)+(4*6)+(3*9)+(2*6)+(1*2)=130
130 % 10 = 0
So 131669-62-0 is a valid CAS Registry Number.