115725-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115725-77-4 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 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 115725-77:
(8*1)+(7*1)+(6*5)+(5*7)+(4*2)+(3*5)+(2*7)+(1*7)=124
124 % 10 = 4
So 115725-77-4 is a valid CAS Registry Number.