1090898-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1090898-89-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,0,8,9 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1090898-89:
(9*1)+(8*0)+(7*9)+(6*0)+(5*8)+(4*9)+(3*8)+(2*8)+(1*9)=197
197 % 10 = 7
So 1090898-89-7 is a valid CAS Registry Number.