321429-91-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321429-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,4,2 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 321429-91:
(8*3)+(7*2)+(6*1)+(5*4)+(4*2)+(3*9)+(2*9)+(1*1)=118
118 % 10 = 8
So 321429-91-8 is a valid CAS Registry Number.