107100-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107100-67-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,1,0 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 107100-67:
(8*1)+(7*0)+(6*7)+(5*1)+(4*0)+(3*0)+(2*6)+(1*7)=74
74 % 10 = 4
So 107100-67-4 is a valid CAS Registry Number.