99304-62-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99304-62-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,0 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99304-62:
(7*9)+(6*9)+(5*3)+(4*0)+(3*4)+(2*6)+(1*2)=158
158 % 10 = 8
So 99304-62-8 is a valid CAS Registry Number.