17909-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17909-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,0 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 17909-52:
(7*1)+(6*7)+(5*9)+(4*0)+(3*9)+(2*5)+(1*2)=133
133 % 10 = 3
So 17909-52-3 is a valid CAS Registry Number.