189290-30-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189290-30-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,2,9 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 189290-30:
(8*1)+(7*8)+(6*9)+(5*2)+(4*9)+(3*0)+(2*3)+(1*0)=170
170 % 10 = 0
So 189290-30-0 is a valid CAS Registry Number.