881554-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 881554-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,1,5,5 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 881554-80:
(8*8)+(7*8)+(6*1)+(5*5)+(4*5)+(3*4)+(2*8)+(1*0)=199
199 % 10 = 9
So 881554-80-9 is a valid CAS Registry Number.