1198564-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1198564-97-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,8,5,6 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1198564-97:
(9*1)+(8*1)+(7*9)+(6*8)+(5*5)+(4*6)+(3*4)+(2*9)+(1*7)=214
214 % 10 = 4
So 1198564-97-4 is a valid CAS Registry Number.