175097-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 175097-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,0,9 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 175097-42:
(8*1)+(7*7)+(6*5)+(5*0)+(4*9)+(3*7)+(2*4)+(1*2)=154
154 % 10 = 4
So 175097-42-4 is a valid CAS Registry Number.