1200233-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1200233-16-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,0,2,3 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1200233-16:
(9*1)+(8*2)+(7*0)+(6*0)+(5*2)+(4*3)+(3*3)+(2*1)+(1*6)=64
64 % 10 = 4
So 1200233-16-4 is a valid CAS Registry Number.