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(S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid

Also known as: 1-Boc-L-azetidine-2-carboxylic acid, Boc-L-azetidine-2-carboxylic acid, Boc-L-Aze-OH, (S)-1-Boc-azetidine-2-carboxylic acid, (S)-N-Boc-azetidine-2-carboxylic acid, 1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid, (S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid, 1-tert-Butyl (2S)-azetidine-1,2-dicarboxylate, (S)-Azetidine-1,2-dicarboxylic acid 1-tert-butyl ester, MFCD01321011

(S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid (CAS 51077-14-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H15NO4 and a molecular weight of 201.22 g/mol. Key properties include a melting point of 105-110 °C, a boiling point of 321.0±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 147.9±25.9 °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.
51077-14-6
Jingsj CID
J-1993113-6
Molecular Formula
C9H15NO4
Molecular Weight
201.22 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point105-110 °C
Boiling Point321.0±35.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point147.9±25.9 °C
Exact Mass201.100113
PSA66.84000
LogP0.29
Vapor Pressure0.0±1.5 mmHg at 25°C
Refractive Index1.510

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of (S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid?

The CAS number of (S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid is 51077-14-6.

What are the molecular formula and molecular weight of (S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid?

(S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid has molecular formula C9H15NO4 and molecular weight 201.22 g/mol.

Is (S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid hazardous?

(S)-1-(tert-Butoxycarbonyl)azetidine-2-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 (S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid?

For (S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid, Upstream Products: Di-tert-butyl dicarbonate, L-Azetidine-2-carboxylic acid, (S)-1-(tert-Butoxycarbonyl)-2-azetidinemethanol; Downstream Products: tert-butyl (2S)-2-carbamoylazetidine-1-carboxylate, Methyl (2S)-azetidine-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. "(S)-1-(tert-Butoxycarbonyl)azetidine-2-carboxylic acid (CAS 51077-14-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993113-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.