1-Acetyl-4-piperidinecarboxylic acid
Also known as: 1-Acetylpiperidine-4-carboxylic acid, N-Acetylisonipecotic acid, Ac-DL-Inp-OH, 1-acetylisonipecotic acid, acetylpiperidine-4-carboxylic acid, N-acetyl-4-piperidine carboxylic acid, 1-acetylpiperidine-4-carboxylate, EINECS 247-049-6, MFCD00023706
1-Acetyl-4-piperidinecarboxylic acid (CAS 25503-90-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H13NO3 and a molecular weight of 171.194 g/mol. Key properties include a melting point of 180-184 °C(lit.), a boiling point of 374.0±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 180.0±25.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25503-90-6
- Jingsj CID
- J-1993896-6
- Molecular Formula
- C8H13NO3
- Molecular Weight
- 171.194 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 180-184 °C(lit.) |
|---|---|
| Boiling Point | 374.0±35.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 180.0±25.9 °C |
| Exact Mass | 171.089539 |
| PSA | 57.61000 |
| LogP | -0.28 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.507 |
| Additional Property | 50 g/L (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 1-Acetyl-4-piperidinecarboxylic acid?
The CAS number of 1-Acetyl-4-piperidinecarboxylic acid is 25503-90-6.
What are the molecular formula and molecular weight of 1-Acetyl-4-piperidinecarboxylic acid?
1-Acetyl-4-piperidinecarboxylic acid has molecular formula C8H13NO3 and molecular weight 171.194 g/mol.
Is 1-Acetyl-4-piperidinecarboxylic acid hazardous?
1-Acetyl-4-piperidinecarboxylic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of 1-Acetyl-4-piperidinecarboxylic acid?
For 1-Acetyl-4-piperidinecarboxylic acid, Upstream Products: Isonipecotic acid, 4-Methyl-2-pentanone, 4-Chloro-4'-fluorobutyrophenone; Downstream Products: Phenyl(piperidin-4-yl)methanone hydrochloride, 4-(4-Chlorobenzoyl)piperidine, 4-(4-Fluorobenzyl)piperidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Acetyl-4-piperidinecarboxylic acid (CAS 25503-90-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993896-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.