205443-48-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205443-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,4 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 205443-48:
(8*2)+(7*0)+(6*5)+(5*4)+(4*4)+(3*3)+(2*4)+(1*8)=107
107 % 10 = 7
So 205443-48-7 is a valid CAS Registry Number.