881228-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 881228-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,1,2,2 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 881228-65:
(8*8)+(7*8)+(6*1)+(5*2)+(4*2)+(3*8)+(2*6)+(1*5)=185
185 % 10 = 5
So 881228-65-5 is a valid CAS Registry Number.