N-Biotinyl-N'-(3-maleimidopropionyl)-3,6-dioxaoctane-1,8-diamine

N-生物素基-N'-(3-马来酰亚胺基丙酰基)-3,6-二氧杂辛烷-1,8-二胺

Also known as: Biotin-PEG2-Mal, Biotin-PEG2-Maleimide, Maleimide-PEG2-Biotin, (+)-Biotin-PEG2-NH-Mal, B3174, 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-[2-[2-[2-[[3-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-1-oxopropyl]amino]ethoxy]ethoxy]ethyl]hexahydro-2-oxo-, (3aS,4S,6aR)-, N-(2-(2-(2-(3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)propanamido)ethoxy)ethoxy)ethyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide

N-Biotinyl-N'-(3-maleimidopropionyl)-3,6-dioxaoctane-1,8-diamine (CAS 305372-39-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C23H35N5O7S and a molecular weight of 525.618 g/mol. It is also known as Biotin-PEG2-Mal, Biotin-PEG2-Maleimide and Maleimide-PEG2-Biotin. Key properties include a boiling point of 897.0±65.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 496.3±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 305372-39-8
Jingsj CID: J-1960503-4
Molecular Formula: C₂₃H₃₅N₅O₇S
Chinese Name: N-生物素基-N'-(3-马来酰亚胺基丙酰基)-3,6-二氧杂辛烷-1,8-二胺
Molecular Weight: 525.618 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	897.0±65.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	496.3±34.3 °C

Frequently Asked Questions

What is the CAS number of N-Biotinyl-N'-(3-maleimidopropionyl)-3,6-dioxaoctane-1,8-diamine?

The CAS number of N-Biotinyl-N'-(3-maleimidopropionyl)-3,6-dioxaoctane-1,8-diamine is 305372-39-8.

What are the molecular formula and molecular weight of N-Biotinyl-N'-(3-maleimidopropionyl)-3,6-dioxaoctane-1,8-diamine?

N-Biotinyl-N'-(3-maleimidopropionyl)-3,6-dioxaoctane-1,8-diamine has molecular formula C23H35N5O7S and molecular weight 525.618 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N-Biotinyl-N'-(3-maleimidopropionyl)-3,6-dioxaoctane-1,8-diamine (CAS 305372-39-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960503-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.