99606-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99606-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,0 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99606-67:
(7*9)+(6*9)+(5*6)+(4*0)+(3*6)+(2*6)+(1*7)=184
184 % 10 = 4
So 99606-67-4 is a valid CAS Registry Number.