103798-18-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103798-18-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,9 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 103798-18:
(8*1)+(7*0)+(6*3)+(5*7)+(4*9)+(3*8)+(2*1)+(1*8)=131
131 % 10 = 1
So 103798-18-1 is a valid CAS Registry Number.