321911-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321911-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,9,1 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 321911-18:
(8*3)+(7*2)+(6*1)+(5*9)+(4*1)+(3*1)+(2*1)+(1*8)=106
106 % 10 = 6
So 321911-18-6 is a valid CAS Registry Number.