1226922-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1226922-89-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,6,9,2 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1226922-89:
(9*1)+(8*2)+(7*2)+(6*6)+(5*9)+(4*2)+(3*2)+(2*8)+(1*9)=159
159 % 10 = 9
So 1226922-89-9 is a valid CAS Registry Number.