628323-89-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 628323-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,8,3,2 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 628323-89:
(8*6)+(7*2)+(6*8)+(5*3)+(4*2)+(3*3)+(2*8)+(1*9)=167
167 % 10 = 7
So 628323-89-7 is a valid CAS Registry Number.