10561-61-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10561-61-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,5,6 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 10561-61:
(7*1)+(6*0)+(5*5)+(4*6)+(3*1)+(2*6)+(1*1)=72
72 % 10 = 2
So 10561-61-2 is a valid CAS Registry Number.