3200-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3200-11-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,0 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3200-11:
(6*3)+(5*2)+(4*0)+(3*0)+(2*1)+(1*1)=31
31 % 10 = 1
So 3200-11-1 is a valid CAS Registry Number.