tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate
Also known as: N-Boc-4-piperidineacetaldehyde, 1-Boc-4-(2-oxo-ethyl)piperidine, tert-butyl 4-(formylmethyl)piperidine-1-carboxylate, 2-(N-Boc-4-piperidinyl)acetaldehyde, 2-methyl-2-propanyl 4-(2-oxoethyl)-1-piperidinecarboxylate, 4-(2-oxoethyl)piperidine-1-carboxylic acid tert-butyl ester, 1-(tert-butyloxycarbonyl)-piperidine-4-acetaldehyde
tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate (CAS 142374-19-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H21NO3 and a molecular weight of 227.300 g/mol. Key properties include a melting point of 38-42ºC, a boiling point of 318.1±15.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 146.2±20.4 °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.
- 142374-19-4
- Jingsj CID
- J-1477721-0
- Molecular Formula
- C12H21NO3
- Molecular Weight
- 227.300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 38-42ºC |
|---|---|
| Boiling Point | 318.1±15.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 146.2±20.4 °C |
| Exact Mass | 227.152145 |
| PSA | 46.61000 |
| LogP | 1.45 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.467 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate?
The CAS number of tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate is 142374-19-4.
What are the molecular formula and molecular weight of tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate?
tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate has molecular formula C12H21NO3 and molecular weight 227.300 g/mol.
Is tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate hazardous?
tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate 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 tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate?
For tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate, Upstream Products: tert-Butyl 4-(2-hydroxyethyl)piperidine-1-carboxylate, Oxalyl chloride, tert-Butyl 4-(2-ethoxy-2-oxoethyl)piperidine-1-carboxylate; Downstream Products: tert-butyl 4-[(E)-4-methoxy-4-oxobut-2-en-1-yl]piperidine-1-carboxylate, tert-butyl 4-(1-bromo-2-oxoethyl)piperidine-1-carboxylate, tert-butyl 4-(2-(methylamino)ethyl)piperidine-1-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-butyl 4-(2-oxoethyl)piperidine-1-carboxylate (CAS 142374-19-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1477721-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.