189330-32-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189330-32-3 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, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 189330-32:
(8*1)+(7*8)+(6*9)+(5*3)+(4*3)+(3*0)+(2*3)+(1*2)=153
153 % 10 = 3
So 189330-32-3 is a valid CAS Registry Number.