Styryl 7

2-[4-[4-(二甲基氨基)苯基]-1,3-丁二烯基]-3-乙基苯并噻唑对甲苯磺酸盐

Also known as: 2-[4-(4-dimethylaminophenyl)-1,3-butadienyl]-3-ethylbenzothiazolium p-toluenesulfonate, 2-(4-[dimethylaminophenyl]-1,3-butadienyl)-3-ethylbenzothiazolium p-toluenesulfonate salt, 2-((1E,3E)-4-(4-(dimethylamino)phenyl)buta-1,3-dienyl)-3-ethylbenzo[d]thiazol-3-ium 4-methylbenzenesulfonate, 4-[(1E,3E)-4-(3-ethyl-1,3-benzothiazol-3-ium-2-yl)buta-1,3-dienyl]-N,N-dimethylaniline, STYRYL 7, Styryl 7 Dye content 95 %, Styryl 7,pure,contains < 1 mole MeOH/mole dye

Styryl 7 (CAS 114720-33-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C28H30N2O3S2 and a molecular weight of 506.67900 g/mol. It is also known as 2-[4-(4-dimethylaminophenyl)-1,3-butadienyl]-3-ethylbenzothiazolium p-toluenesulfonate, 2-(4-[dimethylaminophenyl]-1,3-butadienyl)-3-ethylbenzothiazolium p-toluenesulfonate salt and 2-((1E,3E)-4-(4-(dimethylamino)phenyl)buta-1,3-dienyl)-3-ethylbenzo[d]thiazol-3-ium 4-methylbenzenesulfonate. Key properties include a melting point of 215ºC and a density of 1.1331 (rough estimate). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

114720-33-1

Jingsj CID

J-5842-9

Molecular Formula

C₂₈H₃₀N₂O₃S₂

Chinese Name

2-[4-[4-(二甲基氨基)苯基]-1,3-丁二烯基]-3-乙基苯并噻唑对甲苯磺酸盐

Molecular Weight

506.67900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026