100728-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100728-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,2 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 100728-58:
(8*1)+(7*0)+(6*0)+(5*7)+(4*2)+(3*8)+(2*5)+(1*8)=93
93 % 10 = 3
So 100728-58-3 is a valid CAS Registry Number.