175881-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 175881-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,5,8,8 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 175881-23:
(8*1)+(7*7)+(6*5)+(5*8)+(4*8)+(3*1)+(2*2)+(1*3)=169
169 % 10 = 9
So 175881-23-9 is a valid CAS Registry Number.