17835-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17835-45-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,3 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 17835-45:
(7*1)+(6*7)+(5*8)+(4*3)+(3*5)+(2*4)+(1*5)=129
129 % 10 = 9
So 17835-45-9 is a valid CAS Registry Number.