183rar Now

: In certain digital libraries, "183" might be a collection number followed by a file format extension.

If this term is related to a specific niche, it most likely refers to one of the following: 183rar

: It could be a typo for a more common scientific designation, such as a specific protein variant (e.g., related to the RAR - Retinoic Acid Receptor family) or a star catalog number. : In certain digital libraries, "183" might be