1198422-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1198422-77-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,8,4,2 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1198422-77:
(9*1)+(8*1)+(7*9)+(6*8)+(5*4)+(4*2)+(3*2)+(2*7)+(1*7)=183
183 % 10 = 3
So 1198422-77-3 is a valid CAS Registry Number.