DL-Pipecolinic acid
Also known as: 2-Piperidinecarboxylic acid, Pipecolic acid, Pipecolinic acid, DL-Pipecolic acid, DL-Homoproline, α-Pipecolinic acid, 2-Carboxypiperidine, Dihydrobaikiaine, H-DL-Homopro-OH, H-DL-Pic(2)-OH
DL-Pipecolinic acid (CAS 535-75-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H11NO2 and a molecular weight of 129.157 g/mol. Key properties include a melting point of 268-278ºC, a boiling point of 265.8±33.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 114.5±25.4 °C. 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.
- 535-75-1
- Jingsj CID
- J-1091142-8
- Molecular Formula
- C6H11NO2
- Molecular Weight
- 129.157 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 268-278ºC |
|---|---|
| Boiling Point | 265.8±33.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 114.5±25.4 °C |
| Exact Mass | 129.078979 |
| PSA | 49.33000 |
| LogP | 0.00 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.479 |
| Additional Property | soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. He M, et al. Pipecolic acid in microbes: biosynthetic routes and enzymes. J Ind Microbiol Biotechnol. 2006 Jun;33(6):401-7. |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of DL-Pipecolinic acid?
The CAS number of DL-Pipecolinic acid is 535-75-1.
What are the molecular formula and molecular weight of DL-Pipecolinic acid?
DL-Pipecolinic acid has molecular formula C6H11NO2 and molecular weight 129.157 g/mol.
Is DL-Pipecolinic acid hazardous?
DL-Pipecolinic 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 DL-Pipecolinic acid?
For DL-Pipecolinic acid, Downstream Products: Methyl (2S)-piperidine-2-carboxylate hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "DL-Pipecolinic acid (CAS 535-75-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1091142-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.