SPDP-PEG3-NHS ester

吡啶二硫丙酰胺-三聚乙二醇-NHS酯

Also known as: SPDP-PEG3-NHS, PDP-NH-PEG3-CH2CH2COONHS, propanoic acid, 3-[2-[2-[2-[[1-oxo-3-(2-pyridinyldithio)propyl]amino]ethoxy]ethoxy]ethoxy]-, 2,5-dioxo-1-pyrrolidinyl ester

SPDP-PEG3-NHS ester (CAS 1433996-79-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H29N3O8S2 and a molecular weight of 515.6 g/mol. It is also known as SPDP-PEG3-NHS, PDP-NH-PEG3-CH2CH2COONHS and propanoic acid, 3-[2-[2-[2-[[1-oxo-3-(2-pyridinyldithio)propyl]amino]ethoxy]ethoxy]ethoxy]-, 2,5-dioxo-1-pyrrolidinyl ester. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1433996-79-2
Jingsj CID: J-1460157-4
Molecular Formula: C₂₁H₂₉N₃O₈S₂
Chinese Name: 吡啶二硫丙酰胺-三聚乙二醇-NHS酯
Molecular Weight: 515.6 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of SPDP-PEG3-NHS ester?

The CAS number of SPDP-PEG3-NHS ester is 1433996-79-2.

What are the molecular formula and molecular weight of SPDP-PEG3-NHS ester?

SPDP-PEG3-NHS ester has molecular formula C21H29N3O8S2 and molecular weight 515.6 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. "SPDP-PEG3-NHS ester (CAS 1433996-79-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1460157-4 (accessed 2026-10-25).

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