IR 783

2-[2-[2-氯-3-[2-[1,3-二氢-3,3-二甲基-1-(4-磺酸基丁基)-2H-吲哚-2-亚基]乙亚基]-1-环己烯-1-基]乙烯基]-3,3-二甲基-1-(4-磺酸基丁基)-3H-吲哚内盐钠盐

Also known as: IR-783, ADS 780WS, Sodium 4-(2-(2-(2-chloro-3-(2-(3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-2-yl)vinyl)cyclohex-2-en-1-ylidene)ethylidene)-3,3-dimethylindolin-1-yl)butane-1-sulfonate, 3,3-Dimethyl-2-[2-(2-chloro-3-[2-[1,3-dihydro-3,3-dimethyl-1-(4-sulfobutyl)-2H-indol-2-ylidene]ethylidene]-1-cyclohexen-1-yl)ethenyl]-1-(4-sulfobutyl)-3H-indolium hydroxide inner salt monosodium salt, MFCD03093208, MFCD03427057

IR 783 (CAS 115970-66-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C38H46ClN2NaO6S2 and a molecular weight of 749.35 g/mol. It is also known as IR-783, ADS 780WS and Sodium 4-(2-(2-(2-chloro-3-(2-(3,3-dimethyl-1-(4-sulfonatobutyl)-3H-indol-1-ium-2-yl)vinyl)cyclohex-2-en-1-ylidene)ethylidene)-3,3-dimethylindolin-1-yl)butane-1-sulfonate. Key property: a melting point of 209-212ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

115970-66-6

Jingsj CID

J-43693-5

Molecular Formula

C₃₈H₄₆ClN₂NaO₆S₂

Chinese Name

2-[2-[2-氯-3-[2-[1,3-二氢-3,3-二甲基-1-(4-磺酸基丁基)-2H-吲哚-2-亚基]乙亚基]-1-环己烯-1-基]乙烯基]-3,3-二甲基-1-(4-磺酸基丁基)-3H-吲哚内盐钠盐

Molecular Weight

749.35 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026