165883-95-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 165883-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,8,8 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 165883-95:
(8*1)+(7*6)+(6*5)+(5*8)+(4*8)+(3*3)+(2*9)+(1*5)=184
184 % 10 = 4
So 165883-95-4 is a valid CAS Registry Number.