27561-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27561-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,5,6 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27561-23:
(7*2)+(6*7)+(5*5)+(4*6)+(3*1)+(2*2)+(1*3)=115
115 % 10 = 5
So 27561-23-5 is a valid CAS Registry Number.