12235-17-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12235-17-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,3 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 12235-17:
(7*1)+(6*2)+(5*2)+(4*3)+(3*5)+(2*1)+(1*7)=65
65 % 10 = 5
So 12235-17-5 is a valid CAS Registry Number.