115780-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115780-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,7,8 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 115780-93:
(8*1)+(7*1)+(6*5)+(5*7)+(4*8)+(3*0)+(2*9)+(1*3)=133
133 % 10 = 3
So 115780-93-3 is a valid CAS Registry Number.