911297-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 911297-83-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,2,9 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 911297-83:
(8*9)+(7*1)+(6*1)+(5*2)+(4*9)+(3*7)+(2*8)+(1*3)=171
171 % 10 = 1
So 911297-83-1 is a valid CAS Registry Number.