122492-91-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 122492-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,4,9 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 122492-91:
(8*1)+(7*2)+(6*2)+(5*4)+(4*9)+(3*2)+(2*9)+(1*1)=115
115 % 10 = 5
So 122492-91-5 is a valid CAS Registry Number.