115523-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115523-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,5,2 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 115523-72:
(8*1)+(7*1)+(6*5)+(5*5)+(4*2)+(3*3)+(2*7)+(1*2)=103
103 % 10 = 3
So 115523-72-3 is a valid CAS Registry Number.