115943-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115943-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,9,4 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 115943-90:
(8*1)+(7*1)+(6*5)+(5*9)+(4*4)+(3*3)+(2*9)+(1*0)=133
133 % 10 = 3
So 115943-90-3 is a valid CAS Registry Number.