12235-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12235-71-1 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, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 12235-71:
(7*1)+(6*2)+(5*2)+(4*3)+(3*5)+(2*7)+(1*1)=71
71 % 10 = 1
So 12235-71-1 is a valid CAS Registry Number.