1189857-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189857-15-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,8,5 and 7 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1189857-15:
(9*1)+(8*1)+(7*8)+(6*9)+(5*8)+(4*5)+(3*7)+(2*1)+(1*5)=215
215 % 10 = 5
So 1189857-15-5 is a valid CAS Registry Number.