5-[(3aR,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[3-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-3-oxopropyl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl]pentanamide

5-[(3aR,6aS)-2-氧代-1,3,3a,4,6,6a-六氢噻吩并[3,4-d]咪唑-4-基]-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[3-(2-氮杂三环[10.4.0.04,9]十六碳-1(16),4,6,8,12,14-六烯-10-炔-2-基)-3-氧代丙基]氨基]-3-氧代丙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙基]戊酰胺

Also known as: 1-{5-[(3aS,4S,6aR)-2-oxo-hexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamido}-N-(3-{2-azatricyclo[10.4.0.0\\u2074,\\u2079]hexadeca-1(12),4(9),5,7,13,15-hexaen-10-yn-2-yl}-3-oxopropyl)-3,6,9,12,15,18,21,24,27,30,33,36-dodecaoxanonatriacontan-39-amide, BCO-NHCO-PEG12-biotin, Biotin-PEG12-DBCO, DBCO-NHCO-PEG12-biotin[DBCO-NHCO-PEG12-biotin

5-[(3aR,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[3-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-3-oxopropyl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl]pentanamide (CAS 2621391-31-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C55H83N5O16S and a molecular weight of 1102.3 g/mol. It is also known as 1-{5-[(3aS,4S,6aR)-2-oxo-hexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamido}-N-(3-{2-azatricyclo[10.4.0.0\\u2074,\\u2079]hexadeca-1(12),4(9),5,7,13,15-hexaen-10-yn-2-yl}-3-oxopropyl)-3,6,9,12,15,18,21,24,27,30,33,36-dodecaoxanonatriacontan-39-amide, BCO-NHCO-PEG12-biotin and Biotin-PEG12-DBCO. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2621391-31-7
Jingsj CID: J-244423-9
Molecular Formula: C₅₅H₈₃N₅O₁₆S
Chinese Name: 5-[(3aR,6aS)-2-氧代-1,3,3a,4,6,6a-六氢噻吩并[3,4-d]咪唑-4-基]-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[3-(2-氮杂三环[10.4.0.04,9]十六碳-1(16),4,6,8,12,14-六烯-10-炔-2-基)-3-氧代丙基]氨基]-3-氧代丙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙氧基]乙基]戊酰胺
Molecular Weight: 1102.3 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-[(3aR,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[3-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-3-oxopropyl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl]pentanamide?

The CAS number of 5-[(3aR,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[3-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-3-oxopropyl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl]pentanamide is 2621391-31-7.

What are the molecular formula and molecular weight of 5-[(3aR,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[3-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-3-oxopropyl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl]pentanamide?

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-[(3aR,6aS)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[3-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-3-oxopropyl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethyl]pentanamide (CAS 2621391-31-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-244423-9 (accessed 2026-10-24).

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