11-Azido-3,6,9-trioxaundecanoic acid

Also known as: 2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)acetic acid, Azide-PEG3-CH2COOH, N3-PEG3-CH2COOH, Azido-PEG3-CH2CO2H, Azido-PEG3-CH2COOH, Azido-PEG3-carboxylate, [2-[2-(2-Azidoethoxy)ethoxy]ethoxy]acetic acid

11-Azido-3,6,9-trioxaundecanoic acid (CAS 172531-37-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H15N3O5 and a molecular weight of 233.22200 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 172531-37-2
Jingsj CID: J-1960502-8
Molecular Formula: C₈H₁₅N₃O₅
Molecular Weight: 233.22200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	233.10100
PSA	114.74000
Refractive Index	1.47

Activity & Biological Data

Target	Alkyl/ether
Additional Information	[1]. An S, et al. Small-molecule PROTACs: An emerging and promising approach for the development of targeted therapy drugs. EBioMedicine. 2018 Oct;36:553-562.

Frequently Asked Questions

What is the CAS number of 11-Azido-3,6,9-trioxaundecanoic acid?

The CAS number of 11-Azido-3,6,9-trioxaundecanoic acid is 172531-37-2.

What are the molecular formula and molecular weight of 11-Azido-3,6,9-trioxaundecanoic acid?

11-Azido-3,6,9-trioxaundecanoic acid has molecular formula C8H15N3O5 and molecular weight 233.22200 g/mol.

What are the upstream and downstream products of 11-Azido-3,6,9-trioxaundecanoic acid?

For 11-Azido-3,6,9-trioxaundecanoic acid, Upstream Products: Azido-PEG3-alcohol, Bromoacetic acid, Azido-PEG4-alcohol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "11-Azido-3,6,9-trioxaundecanoic acid (CAS 172531-37-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960502-8 (accessed 2026-11-09).

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