101259-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101259-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,2,5 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 101259-90:
(8*1)+(7*0)+(6*1)+(5*2)+(4*5)+(3*9)+(2*9)+(1*0)=89
89 % 10 = 9
So 101259-90-9 is a valid CAS Registry Number.