105561-86-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105561-86-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,5,6 and 1 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 105561-86:
(8*1)+(7*0)+(6*5)+(5*5)+(4*6)+(3*1)+(2*8)+(1*6)=112
112 % 10 = 2
So 105561-86-2 is a valid CAS Registry Number.