17835-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17835-71-1 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, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17835-71:
(7*1)+(6*7)+(5*8)+(4*3)+(3*5)+(2*7)+(1*1)=131
131 % 10 = 1
So 17835-71-1 is a valid CAS Registry Number.