142103-58-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142103-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,1,0 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142103-58:
(8*1)+(7*4)+(6*2)+(5*1)+(4*0)+(3*3)+(2*5)+(1*8)=80
80 % 10 = 0
So 142103-58-0 is a valid CAS Registry Number.