3211-13-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3211-13-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,1 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3211-13:
(6*3)+(5*2)+(4*1)+(3*1)+(2*1)+(1*3)=40
40 % 10 = 0
So 3211-13-0 is a valid CAS Registry Number.