81412-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81412-42-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,1 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81412-42:
(7*8)+(6*1)+(5*4)+(4*1)+(3*2)+(2*4)+(1*2)=102
102 % 10 = 2
So 81412-42-2 is a valid CAS Registry Number.