115663-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115663-90-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,6,6 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 115663-90:
(8*1)+(7*1)+(6*5)+(5*6)+(4*6)+(3*3)+(2*9)+(1*0)=126
126 % 10 = 6
So 115663-90-6 is a valid CAS Registry Number.