111561-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111561-46-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,6 and 1 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 111561-46:
(8*1)+(7*1)+(6*1)+(5*5)+(4*6)+(3*1)+(2*4)+(1*6)=87
87 % 10 = 7
So 111561-46-7 is a valid CAS Registry Number.