170983-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170983-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,9,8 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 170983-44:
(8*1)+(7*7)+(6*0)+(5*9)+(4*8)+(3*3)+(2*4)+(1*4)=155
155 % 10 = 5
So 170983-44-5 is a valid CAS Registry Number.