2499-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2499-76-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,9 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2499-76:
(6*2)+(5*4)+(4*9)+(3*9)+(2*7)+(1*6)=115
115 % 10 = 5
So 2499-76-5 is a valid CAS Registry Number.