67330-89-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67330-89-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,3,3 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67330-89:
(7*6)+(6*7)+(5*3)+(4*3)+(3*0)+(2*8)+(1*9)=136
136 % 10 = 6
So 67330-89-6 is a valid CAS Registry Number.