105519-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105519-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,1 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 105519-90:
(8*1)+(7*0)+(6*5)+(5*5)+(4*1)+(3*9)+(2*9)+(1*0)=112
112 % 10 = 2
So 105519-90-2 is a valid CAS Registry Number.