1,3,3-Trimethylindolino-β-naphthopyrylospiran

螺[1,3,3-三甲基吲哚-β-苯并二氢吡喃]

Also known as: 1,3,3-TRIMETHYLINDOLINO-BETA-NAPHTHOPYRYLOSPIRAN, 1',3',3'-trimethylspiro[benzo[f]chromene-3,2'-indole], 1',3',3'-Trimethylspiro[3H-naphtho[2,1-b]pyran-3,2'-indoline], 1,3-Dihydro-1,3,3-trimethylspiro[2H-indole-2,3'-[3H]naphtho[2,1-b]pyran], 1,3,3-Trimethylspiro[indoline-2,3'-[3H]naphth[2,1-b]pyran], 1',3',3'-Trimethylspiro[3H-naphtho[2,1-b]pyran-3,2'(3'H)-[1H]indole], 1,3,3-Trimethylindolino-β-naphthopyrylospiran [Photochromic Compound], 1,3,3-TriMethylindolino-β-naphthopyrylospiran [PhotochroMic CoMpound]

1,3,3-Trimethylindolino-β-naphthopyrylospiran (CAS 1592-43-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C23H21NO and a molecular weight of 327.41900 g/mol. It is also known as 1,3,3-TRIMETHYLINDOLINO-BETA-NAPHTHOPYRYLOSPIRAN, 1',3',3'-trimethylspiro[benzo[f]chromene-3,2'-indole] and 1',3',3'-Trimethylspiro[3H-naphtho[2,1-b]pyran-3,2'-indoline]. Key properties include a melting point of 174ºC, a boiling point of 492.7ºC at 760 mmHg, a density of 1.22g/cm3 and a flash point of 142.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1592-43-4

Jingsj CID

J-1013823-8

Molecular Formula

C₂₃H₂₁NO

Chinese Name

螺[1,3,3-三甲基吲哚-β-苯并二氢吡喃]

Molecular Weight

327.41900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026