299903-53-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299903-53-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,9,0 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 299903-53:
(8*2)+(7*9)+(6*9)+(5*9)+(4*0)+(3*3)+(2*5)+(1*3)=200
200 % 10 = 0
So 299903-53-0 is a valid CAS Registry Number.