105498-30-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 105498-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,4,9 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 105498-30:
(8*1)+(7*0)+(6*5)+(5*4)+(4*9)+(3*8)+(2*3)+(1*0)=124
124 % 10 = 4
So 105498-30-4 is a valid CAS Registry Number.