56615-11-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56615-11-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,1 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 56615-11:
(7*5)+(6*6)+(5*6)+(4*1)+(3*5)+(2*1)+(1*1)=123
123 % 10 = 3
So 56615-11-3 is a valid CAS Registry Number.