321943-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321943-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,9,4 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 321943-67:
(8*3)+(7*2)+(6*1)+(5*9)+(4*4)+(3*3)+(2*6)+(1*7)=133
133 % 10 = 3
So 321943-67-3 is a valid CAS Registry Number.