2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium inner salt

2-[2-[3-[2-(1,3-二氢-1,3,3-三甲基-2H-吲哚-2-亚基)乙亚基]-2-(六氢-1,3-二甲基-2,4,6-三氧代-5-嘧啶基)-1-环戊烯-1-基]乙烯基]-1,3,3-三甲基-3H-吲哚鎓内盐

Also known as: 2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium inner salt, 5-[2,5-bis[2-(1,3,3-trimethylindol-2-ylidene)ethylidene]cyclopentylidene]-1,3-dimethyl-1,3-diazinane-2,4,6-trione, 5-[2,5-bis-[2-(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-ethylidene]-cyclopentylidene]-1,3-dimethyl-pyrimidine-2,4,6-trione, 1,3-Dimethyl-5-{(2E,5E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-5-[(2Z)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]cyclopentylidene}-2,4,6(1H,3H,5H)-pyrimidinetrione

2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium inner salt (CAS 256520-09-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C37H40N4O3 and a molecular weight of 588.73800 g/mol. It is also known as 5-[2,5-bis[2-(1,3,3-trimethylindol-2-ylidene)ethylidene]cyclopentylidene]-1,3-dimethyl-1,3-diazinane-2,4,6-trione, 5-[2,5-bis-[2-(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-ethylidene]-cyclopentylidene]-1,3-dimethyl-pyrimidine-2,4,6-trione and 1,3-Dimethyl-5-{(2E,5E)-2-[(2E)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]-5-[(2Z)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]cyclopentylidene}-2,4,6(1H,3H,5H)-pyrimidinetrione. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
256520-09-9
Jingsj CID
J-1079379-6
Molecular Formula
C37H40N4O3
Chinese Name
2-[2-[3-[2-(1,3-二氢-1,3,3-三甲基-2H-吲哚-2-亚基)乙亚基]-2-(六氢-1,3-二甲基-2,4,6-三氧代-5-嘧啶基)-1-环戊烯-1-基]乙烯基]-1,3,3-三甲基-3H-吲哚鎓内盐
Molecular Weight
588.73800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium inner salt?

The CAS number of 2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium inner salt is 256520-09-9.

What are the molecular formula and molecular weight of 2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium inner salt?

2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium inner salt has molecular formula C37H40N4O3 and molecular weight 588.73800 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. "2-[2-[3-[2-(1,3-Dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)ethylidene]-2-(hexahydro-1,3-dimethyl-2,4,6-trioxo-5-pyrimidinyl)-1-cyclopenten-1-yl]ethenyl]-1,3,3-trimethyl-3H-indolium inner salt (CAS 256520-09-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1079379-6 (accessed 2026-10-25).

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