1203-32-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1203-32-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,0 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1203-32:
(6*1)+(5*2)+(4*0)+(3*3)+(2*3)+(1*2)=33
33 % 10 = 3
So 1203-32-3 is a valid CAS Registry Number.