Risperidone IUPAC Name Decoded In Plain English
Risperidone's IUPAC name is 3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one.
- Drug: Risperidone
- IUPAC name: 3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one
- Molecular formula: C23H27FN4O2
For practical drug-lookup workflows, you can treat the IUPAC name above as the "canonical chemical label" used across many databases.
IUPAC name (what to copy)
Below is the exact IUPAC name string you can copy into lab notebooks, regulatory submissions, or structure search tools for risperidone.
| Field | Value | Use case |
|---|---|---|
| IUPAC name | 3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one | Exact naming for database queries |
| Molecular formula | C23H27FN4O2 | Sanity-check identity |
| Common brand context | Antipsychotic (various markets) | Human-readable label matching |
| Example internal tag | RIS-INT-2026-05 | Illustrative tracking only |
How to parse it
The long chemical name is a structured description of the scaffold (rings) and substituents (side chains), not just random text.
- Identify the core ring system: the "tetrahydropyrido[1,2-a]pyrimidin-4-one" portion describes the fused heterocycle and the "-4-one" carbonyl.
- Locate substituents on the core: "2-methyl" and the "2-[...ethyl]" group define specific positions on that core framework.
- Read the pendant chain: the "ethyl" spacer connects the piperidine nitrogen-containing substituent into the core.
- Confirm aromatic/heteroaryl pieces: the "6-fluoro-1,2-benzoxazol-3-yl" part specifies the fluorinated benzoxazole ring attached to piperidine.
This stepwise reading helps you verify you have the correct string when you're copying from sources, because one wrong bracket or position number will change the meaning.
Pronunciation-ready breakdown
If your real-world goal is getting past "IUPAC fear," focus on pronounceable chunks rather than the entire Systematic name at once.
A reasonable spoken segmentation (for humans, not databases) is: "three"-then the bracketed chain describing a piperidine-linked ethyl group-then "two methyl"-then the fused "tetrahydro-pyrido-pyrimidin one," ending with the benzoxazole "six-fluoro" descriptor.
Practical tip: when you're teaching or training, read the name from the outside in-start at "3-[...]" and stop after each major bracketed clause so your audience can follow the structure logically.
Why IUPAC matters in utility workflows
In regulated and engineering workflows, an IUPAC name functions like an unambiguous identifier that reduces mix-ups when brand names vary by country and time.
For example, databases like PubChem and structure indexes typically rely on systematic naming (or equivalent identifiers) so that searches remain consistent even when the user types "risperidone" only as a shorthand term.
As an identity check, the molecular formula can be used to quickly validate you're still on the same molecule: risperidone is listed with formula C23H27FN4O2.
Recent context & historical anchoring
Risperidone has been in long-term clinical and research use as an antipsychotic, and by the time standardized chemistry databases matured, systematic naming became a key interoperability layer.
In 2026, teams still routinely cross-check names against curated chemical databases because internal systems (ELNs, LIMS, vendor catalogs) may store different "preferred" names while keeping the same underlying structure.
From a verification mindset, you can treat the benzoxazole + piperidine presence as a structural "fingerprint" that aligns with the IUPAC clauses "benzoxazol-3-yl" and "piperidin-1-yl."
Fast reference: key data
If you need a compact, copy/paste target for the compound record, use the fields below exactly as written.
| Attribute | Exact value |
|---|---|
| Risperidone IUPAC | 3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one |
| Formula | C23H27FN4O2 |
| Data source pattern | Curated database naming entry for risperidone |
FAQ
Example: practical copy workflow
For a structure search workflow, paste the IUPAC string into your target database's "IUPAC name" field and then confirm that the returned record matches risperidone's formula C23H27FN4O2.
If you paste and the system returns no results, the fastest fix is to re-check bracket nesting and hyphen placement (for example, "benzoxazol-3-yl" and "pyrido[1,2-a]pyrimidin-4-one" are position-sensitive).
If you want, tell me the specific database or tool you're using (e.g., PubChem page, an ELN field, a vendor catalog), and I'll show the exact way to enter the risperidone name so it matches your system's expected format.
Everything you need to know about Risperidone Iupac Name Decoded In Plain English
What is the IUPAC name of risperidone?
The IUPAC name is 3-[2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one.
Can you pronounce the IUPAC name?
You can pronounce it by reading it in chunks: start with "three"-then the bracketed chain describing the piperidin-1-yl ethyl linkage-then "two methyl," followed by the fused "tetrahydropyrido-pyrimidin one," and finally the "six-fluoro benzoxazole" segment.
How do I verify I found the right compound?
Cross-check at least two fields: the full IUPAC string and the molecular formula C23H27FN4O2.
Why is the risperidone name so long?
Because the IUPAC format encodes ring systems, positions, and substituents (like the fluorinated benzoxazole and the piperidine attachment) rather than giving a short nickname.
Where is the IUPAC name listed?
One curated listing for risperidone provides the IUPAC name exactly as shown above in its structured compound entry.