18100-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18100-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,0 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18100-67:
(7*1)+(6*8)+(5*1)+(4*0)+(3*0)+(2*6)+(1*7)=79
79 % 10 = 9
So 18100-67-9 is a valid CAS Registry Number.