81102-33-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81102-33-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,0 and 2 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81102-33:
(7*8)+(6*1)+(5*1)+(4*0)+(3*2)+(2*3)+(1*3)=82
82 % 10 = 2
So 81102-33-2 is a valid CAS Registry Number.