911663-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 911663-11-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,6,6 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 911663-11:
(8*9)+(7*1)+(6*1)+(5*6)+(4*6)+(3*3)+(2*1)+(1*1)=151
151 % 10 = 1
So 911663-11-1 is a valid CAS Registry Number.