1198802-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1198802-89-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,8,8,0 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1198802-89:
(9*1)+(8*1)+(7*9)+(6*8)+(5*8)+(4*0)+(3*2)+(2*8)+(1*9)=199
199 % 10 = 9
So 1198802-89-9 is a valid CAS Registry Number.