99343-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99343-92-7 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 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99343-92:
(7*9)+(6*9)+(5*3)+(4*4)+(3*3)+(2*9)+(1*2)=177
177 % 10 = 7
So 99343-92-7 is a valid CAS Registry Number.