911297-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 911297-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,2,9 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 911297-81:
(8*9)+(7*1)+(6*1)+(5*2)+(4*9)+(3*7)+(2*8)+(1*1)=169
169 % 10 = 9
So 911297-81-9 is a valid CAS Registry Number.