299406-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299406-53-4 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 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 299406-53:
(8*2)+(7*9)+(6*9)+(5*4)+(4*0)+(3*6)+(2*5)+(1*3)=184
184 % 10 = 4
So 299406-53-4 is a valid CAS Registry Number.