183173-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183173-49-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,1,7 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 183173-49:
(8*1)+(7*8)+(6*3)+(5*1)+(4*7)+(3*3)+(2*4)+(1*9)=141
141 % 10 = 1
So 183173-49-1 is a valid CAS Registry Number.