4900-03-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4900-03-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,0 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4900-03:
(6*4)+(5*9)+(4*0)+(3*0)+(2*0)+(1*3)=72
72 % 10 = 2
So 4900-03-2 is a valid CAS Registry Number.