100098-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100098-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,0,9 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 100098-67:
(8*1)+(7*0)+(6*0)+(5*0)+(4*9)+(3*8)+(2*6)+(1*7)=87
87 % 10 = 7
So 100098-67-7 is a valid CAS Registry Number.