172985-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172985-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,9,8 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 172985-52:
(8*1)+(7*7)+(6*2)+(5*9)+(4*8)+(3*5)+(2*5)+(1*2)=173
173 % 10 = 3
So 172985-52-3 is a valid CAS Registry Number.