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N-(18-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide

O=C(CCCCC1SCC2NC(=O)NC21)NCCOCCOCCOCCOCCNC(=O)CCN1C(=O)C=CC1=O

Also known as: (+)-Biotin-PEG4-Maleimide, 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-[18-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadec-1-yl]hexahydro-2-oxo-, (3aS,4S,6aR)-, Biotin-PEG4-amido-Mal

N-(18-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide (CAS 1604673-42-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C27H43N5O9S and a molecular weight of 613.7 g/mol. It is also known as (+)-Biotin-PEG4-Maleimide, 1H-Thieno[3,4-d]imidazole-4-pentanamide, N-[18-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadec-1-yl]hexahydro-2-oxo-, (3aS,4S,6aR)- and Biotin-PEG4-amido-Mal. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1604673-42-8
Jingsj CID
J-896849-4
Molecular Formula
C27H43N5O9S
Chinese Name
O=C(CCCCC1SCC2NC(=O)NC21)NCCOCCOCCOCCOCCNC(=O)CCN1C(=O)C=CC1=O
Molecular Weight
613.7 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of N-(18-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide?

The CAS number of N-(18-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide is 1604673-42-8.

What are the molecular formula and molecular weight of N-(18-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide?

N-(18-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide has molecular formula C27H43N5O9S and molecular weight 613.7 g/mol.

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

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How to cite: Jingsj. "N-(18-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-16-oxo-3,6,9,12-tetraoxa-15-azaoctadecyl)-5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamide (CAS 1604673-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-896849-4 (accessed 2026-10-24).

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