67108-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67108-98-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,0 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67108-98:
(7*6)+(6*7)+(5*1)+(4*0)+(3*8)+(2*9)+(1*8)=139
139 % 10 = 9
So 67108-98-9 is a valid CAS Registry Number.