69098-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69098-74-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,0,9 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 69098-74:
(7*6)+(6*9)+(5*0)+(4*9)+(3*8)+(2*7)+(1*4)=174
174 % 10 = 4
So 69098-74-4 is a valid CAS Registry Number.