2-[2-[2-Chloro-3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]cyclopent-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium 4-methylbenzenesulfonate

2-[2-[2-氯-3-[2-(1,3,3-三甲基吲哚啉-2-亚基)乙亚基]-1-环戊烯-1-基]乙烯基]-1,3,3-三甲基-3H-吲哚鎓对甲苯磺酸盐

Also known as: Infrared absorber 797, IR-797, 2-(2-(2-Chloro-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)cyclopent-1-enyl)vinyl)-1,3,3-trimethyl-3H-indolium 4-methylbenzenesulfonate, 2-[2-[2-chloro-3-[2-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene)ethylidene]cyclopent-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium 4-methylbenzenesulfonate

2-[2-[2-Chloro-3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]cyclopent-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium 4-methylbenzenesulfonate (CAS 193687-61-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C38H41ClN2O3S and a molecular weight of 641.26200 g/mol. It is also known as Infrared absorber 797, IR-797 and 2-(2-(2-Chloro-3-(2-(1,3,3-trimethylindolin-2-ylidene)ethylidene)cyclopent-1-enyl)vinyl)-1,3,3-trimethyl-3H-indolium 4-methylbenzenesulfonate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
193687-61-5
Jingsj CID
J-898773-2
Molecular Formula
C38H41ClN2O3S
Chinese Name
2-[2-[2-氯-3-[2-(1,3,3-三甲基吲哚啉-2-亚基)乙亚基]-1-环戊烯-1-基]乙烯基]-1,3,3-三甲基-3H-吲哚鎓对甲苯磺酸盐
Molecular Weight
641.26200 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-[2-Chloro-3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]cyclopent-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium 4-methylbenzenesulfonate?

The CAS number of 2-[2-[2-Chloro-3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]cyclopent-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium 4-methylbenzenesulfonate is 193687-61-5.

What are the molecular formula and molecular weight of 2-[2-[2-Chloro-3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]cyclopent-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium 4-methylbenzenesulfonate?

2-[2-[2-Chloro-3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]cyclopent-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium 4-methylbenzenesulfonate has molecular formula C38H41ClN2O3S and molecular weight 641.26200 g/mol.

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

Last updated:

How to cite: Jingsj. "2-[2-[2-Chloro-3-[2-(1,3,3-trimethylindolin-2-ylidene)ethylidene]cyclopent-1-en-1-yl]ethenyl]-1,3,3-trimethyl-3H-indol-1-ium 4-methylbenzenesulfonate (CAS 193687-61-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-898773-2 (accessed 2026-10-24).

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