100723-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100723-78-2 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 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 100723-78:
(8*1)+(7*0)+(6*0)+(5*7)+(4*2)+(3*3)+(2*7)+(1*8)=82
82 % 10 = 2
So 100723-78-2 is a valid CAS Registry Number.