115209-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115209-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,2,0 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 115209-77:
(8*1)+(7*1)+(6*5)+(5*2)+(4*0)+(3*9)+(2*7)+(1*7)=103
103 % 10 = 3
So 115209-77-3 is a valid CAS Registry Number.