189886-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189886-19-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,8,8 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 189886-19:
(8*1)+(7*8)+(6*9)+(5*8)+(4*8)+(3*6)+(2*1)+(1*9)=219
219 % 10 = 9
So 189886-19-9 is a valid CAS Registry Number.