100724-40-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100724-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,7,2 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 100724-40:
(8*1)+(7*0)+(6*0)+(5*7)+(4*2)+(3*4)+(2*4)+(1*0)=71
71 % 10 = 1
So 100724-40-1 is a valid CAS Registry Number.