99347-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99347-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,3,4 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99347-76:
(7*9)+(6*9)+(5*3)+(4*4)+(3*7)+(2*7)+(1*6)=189
189 % 10 = 9
So 99347-76-9 is a valid CAS Registry Number.