1189773-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189773-98-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,7,7 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1189773-98:
(9*1)+(8*1)+(7*8)+(6*9)+(5*7)+(4*7)+(3*3)+(2*9)+(1*8)=225
225 % 10 = 5
So 1189773-98-5 is a valid CAS Registry Number.