100869-89-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100869-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,6 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100869-89:
(8*1)+(7*0)+(6*0)+(5*8)+(4*6)+(3*9)+(2*8)+(1*9)=124
124 % 10 = 4
So 100869-89-4 is a valid CAS Registry Number.