175407-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 175407-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,4,0 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 175407-20:
(8*1)+(7*7)+(6*5)+(5*4)+(4*0)+(3*7)+(2*2)+(1*0)=132
132 % 10 = 2
So 175407-20-2 is a valid CAS Registry Number.