107209-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107209-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,2,0 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 107209-40:
(8*1)+(7*0)+(6*7)+(5*2)+(4*0)+(3*9)+(2*4)+(1*0)=95
95 % 10 = 5
So 107209-40-5 is a valid CAS Registry Number.