100707-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100707-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,0 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100707-73:
(8*1)+(7*0)+(6*0)+(5*7)+(4*0)+(3*7)+(2*7)+(1*3)=81
81 % 10 = 1
So 100707-73-1 is a valid CAS Registry Number.