226891-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 226891-97-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,8,9 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 226891-97:
(8*2)+(7*2)+(6*6)+(5*8)+(4*9)+(3*1)+(2*9)+(1*7)=170
170 % 10 = 0
So 226891-97-0 is a valid CAS Registry Number.