2-oxopiperidine-3-carboxylic acid
Also known as: 2-Oxo-3-piperidinecarboxylic acid, 2-piperidone-3-carboxylic acid, 3-Carboxy-2-piperidone, 2-oxo-piperidine-3-carboxylic acid, 2-Oxo-piperidin-3-carbonsaeure, 3-Piperidinecarboxylic acid, 2-oxo-
2-oxopiperidine-3-carboxylic acid (CAS 41888-21-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H9NO3 and a molecular weight of 143.14100 g/mol. Key properties include a boiling point of 436.964ºC at 760 mmHg, a density of 1.287g/cm3 and a flash point of 218.068ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 41888-21-5
- Jingsj CID
- J-1412997-6
- Molecular Formula
- C6H9NO3
- Molecular Weight
- 143.14100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 436.964ºC at 760 mmHg |
|---|---|
| Density | 1.287g/cm3 |
| Flash Point | 218.068ºC |
| Exact Mass | 143.05800 |
| PSA | 66.40000 |
| Refractive Index | 1.499 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2-oxopiperidine-3-carboxylic acid?
The CAS number of 2-oxopiperidine-3-carboxylic acid is 41888-21-5.
What are the molecular formula and molecular weight of 2-oxopiperidine-3-carboxylic acid?
2-oxopiperidine-3-carboxylic acid has molecular formula C6H9NO3 and molecular weight 143.14100 g/mol.
Is 2-oxopiperidine-3-carboxylic acid hazardous?
2-oxopiperidine-3-carboxylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-oxopiperidine-3-carboxylic acid?
For 2-oxopiperidine-3-carboxylic acid, Upstream Products: Ethyl 2-oxopiperidine-3-carboxylate; Downstream Products: Rutaecarpine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-oxopiperidine-3-carboxylic acid (CAS 41888-21-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1412997-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.