299408-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299408-16-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,4,0 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 299408-16:
(8*2)+(7*9)+(6*9)+(5*4)+(4*0)+(3*8)+(2*1)+(1*6)=185
185 % 10 = 5
So 299408-16-5 is a valid CAS Registry Number.