1-(tert-Butoxycarbonyl)-4-piperidylacetic acid
Also known as: 1-Boc-4-piperidylacetic acid, 1-Boc-4-piperidineacetic acid, (1-Boc-Piperidin-4-yl)acetic acid, 1-Boc-Piperidin-4-ylacetic acid, 2-[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-4-yl]acetic acid, 2-(1-(tert-Butoxycarbonyl)piperidin-4-yl)acetic acid, N-Boc-4-piperidineacetic acid, N-tert-Butoxycarbonyl-4-carboxymethylpiperidine, N-tert-Butoxycarbonylpiperidine-4-acetic acid, RARECHEM EM WB 0085
1-(tert-Butoxycarbonyl)-4-piperidylacetic acid (CAS 157688-46-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H21NO4 and a molecular weight of 243.299 g/mol. Key properties include a melting point of 96-98°C, a boiling point of 359.4±32.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 171.1±25.1 °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.
- 157688-46-5
- Jingsj CID
- J-49986-5
- Molecular Formula
- C12H21NO4
- Molecular Weight
- 243.299 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 96-98°C |
|---|---|
| Boiling Point | 359.4±32.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 171.1±25.1 °C |
| Exact Mass | 243.147064 |
| PSA | 66.84000 |
| LogP | 0.55 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.494 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- 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-(tert-Butoxycarbonyl)-4-piperidylacetic acid?
The CAS number of 1-(tert-Butoxycarbonyl)-4-piperidylacetic acid is 157688-46-5.
What are the molecular formula and molecular weight of 1-(tert-Butoxycarbonyl)-4-piperidylacetic acid?
1-(tert-Butoxycarbonyl)-4-piperidylacetic acid has molecular formula C12H21NO4 and molecular weight 243.299 g/mol.
Is 1-(tert-Butoxycarbonyl)-4-piperidylacetic acid hazardous?
1-(tert-Butoxycarbonyl)-4-piperidylacetic 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 1-(tert-Butoxycarbonyl)-4-piperidylacetic acid?
For 1-(tert-Butoxycarbonyl)-4-piperidylacetic acid, Upstream Products: tert-Butyl 4-(2-ethoxy-2-oxoethyl)piperidine-1-carboxylate, Di-tert-butyl dicarbonate, 4-Piperidineacetic Acid; Downstream Products: tert-butyl 4-[(E)-4-methoxy-4-oxobut-2-en-1-yl]piperidine-1-carboxylate, tert-butyl 4-(4-ethoxy-2,4-dioxobutyl)piperidine-1-carboxylate, tert-Butyl 4-(2-hydroxyethyl)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. "1-(tert-Butoxycarbonyl)-4-piperidylacetic acid (CAS 157688-46-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49986-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.