115721-03-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115721-03-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,7,2 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 115721-03:
(8*1)+(7*1)+(6*5)+(5*7)+(4*2)+(3*1)+(2*0)+(1*3)=94
94 % 10 = 4
So 115721-03-4 is a valid CAS Registry Number.