54103-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54103-38-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,0 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 54103-38:
(7*5)+(6*4)+(5*1)+(4*0)+(3*3)+(2*3)+(1*8)=87
87 % 10 = 7
So 54103-38-7 is a valid CAS Registry Number.