17589-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17589-30-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,5,8 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17589-30:
(7*1)+(6*7)+(5*5)+(4*8)+(3*9)+(2*3)+(1*0)=139
139 % 10 = 9
So 17589-30-9 is a valid CAS Registry Number.