7235-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7235-12-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,3 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7235-12:
(6*7)+(5*2)+(4*3)+(3*5)+(2*1)+(1*2)=83
83 % 10 = 3
So 7235-12-3 is a valid CAS Registry Number.