100568-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100568-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,5,6 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 100568-90:
(8*1)+(7*0)+(6*0)+(5*5)+(4*6)+(3*8)+(2*9)+(1*0)=99
99 % 10 = 9
So 100568-90-9 is a valid CAS Registry Number.