881442-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 881442-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,1,4,4 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 881442-89:
(8*8)+(7*8)+(6*1)+(5*4)+(4*4)+(3*2)+(2*8)+(1*9)=193
193 % 10 = 3
So 881442-89-3 is a valid CAS Registry Number.