189330-19-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189330-19-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,3 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 189330-19:
(8*1)+(7*8)+(6*9)+(5*3)+(4*3)+(3*0)+(2*1)+(1*9)=156
156 % 10 = 6
So 189330-19-6 is a valid CAS Registry Number.