100453-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100453-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,4,5 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 100453-76:
(8*1)+(7*0)+(6*0)+(5*4)+(4*5)+(3*3)+(2*7)+(1*6)=77
77 % 10 = 7
So 100453-76-7 is a valid CAS Registry Number.