165876-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 165876-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,8,7 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 165876-23:
(8*1)+(7*6)+(6*5)+(5*8)+(4*7)+(3*6)+(2*2)+(1*3)=173
173 % 10 = 3
So 165876-23-3 is a valid CAS Registry Number.