Biotin-PEG4-Azide

Also known as: Biotin-PEG4-Azide, Biotin-PEG4-N3, (+)-Biotin-PEG4-CH2CH2N3, 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-(14-azido-3,6,9,12-tetraoxatetradec-1-yl)hexahydro-2-oxo-, (3aS,4S,6aR)-, N-(14-Azido-3,6,9,12-tetraoxatetradec-1-yl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide, N-(14-Azido-3,6,9,12-tetraoxatetradecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide, N-[2-[2-[2-[2-(2-Azidoethoxy)ethoxy]ethoxy]ethoxy]ethyl]biotinamide, MFCD27977501

Biotin-PEG4-Azide (CAS 1309649-57-7) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H36N6O6S and a molecular weight of 488.601 g/mol. Key property: a melting point of 104 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1309649-57-7
Jingsj CID: J-1988539-3
Molecular Formula: C₂₀H₃₆N₆O₆S
Molecular Weight: 488.601 g/mol
Category: Nitrogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	104 °C
Exact Mass	488.241699
LogP	-1.28

Activity & Biological Data

Target	PEGs
Additional Information	[1]. Gadd MS, et al. Structural basis of PROTAC cooperative recognition for selective protein degradation. Nat Chem Biol. 2017 May;13(5):514-521.

Frequently Asked Questions

What is the CAS number of Biotin-PEG4-Azide?

The CAS number of Biotin-PEG4-Azide is 1309649-57-7.

What are the molecular formula and molecular weight of Biotin-PEG4-Azide?

Biotin-PEG4-Azide has molecular formula C20H36N6O6S and molecular weight 488.601 g/mol.

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. "Biotin-PEG4-Azide (CAS 1309649-57-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1988539-3 (accessed 2026-11-06).

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