107240-13-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107240-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,2,4 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 107240-13:
(8*1)+(7*0)+(6*7)+(5*2)+(4*4)+(3*0)+(2*1)+(1*3)=81
81 % 10 = 1
So 107240-13-1 is a valid CAS Registry Number.