40038-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40038-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,0,3 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40038-63:
(7*4)+(6*0)+(5*0)+(4*3)+(3*8)+(2*6)+(1*3)=79
79 % 10 = 9
So 40038-63-9 is a valid CAS Registry Number.