175156-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 175156-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,1,5 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 175156-71:
(8*1)+(7*7)+(6*5)+(5*1)+(4*5)+(3*6)+(2*7)+(1*1)=145
145 % 10 = 5
So 175156-71-5 is a valid CAS Registry Number.