4900-43-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4900-43-0 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, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4900-43:
(6*4)+(5*9)+(4*0)+(3*0)+(2*4)+(1*3)=80
80 % 10 = 0
So 4900-43-0 is a valid CAS Registry Number.