5038-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5038-87-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,3 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5038-87:
(6*5)+(5*0)+(4*3)+(3*8)+(2*8)+(1*7)=89
89 % 10 = 9
So 5038-87-9 is a valid CAS Registry Number.