1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran

螺[1,3,3-三甲基吲哚-(8'-甲氧基苯并二氢吡喃)]

Also known as: 8-Methoxy-1',3',3'-trimethylspiro[chromene-2,2'-indole], 1,3,3-Trimethyl-8'-methoxyspiro[1H-indole-2(3H),2'-[2H-1]benzopyran], 8-METHOXY-1',3',3'-TRIMETHYLSPIRO[1(2H)-BENZOPYRAN-2,2'-INDOLINE], 1,3,3-Trimethylindolino-8-methoxybenzopyrylospirane, 1,3,3-TriMethylindolino-8'-Methoxybenzopyrylospiran

1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran (CAS 13433-31-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H21NO2 and a molecular weight of 307.38600 g/mol. It is also known as 8-Methoxy-1',3',3'-trimethylspiro[chromene-2,2'-indole], 1,3,3-Trimethyl-8'-methoxyspiro[1H-indole-2(3H),2'-[2H-1]benzopyran] and 8-METHOXY-1',3',3'-TRIMETHYLSPIRO[1(2H)-BENZOPYRAN-2,2'-INDOLINE]. Key properties include a melting point of 124ºC, a boiling point of 441.3ºC at 760 mmHg, a density of 1.2g/cm3 and a flash point of 152.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13433-31-3
Jingsj CID
J-40855-2
Molecular Formula
C20H21NO2
Chinese Name
螺[1,3,3-三甲基吲哚-(8'-甲氧基苯并二氢吡喃)]
Molecular Weight
307.38600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point124ºC
Boiling Point441.3ºC at 760 mmHg
Density1.2g/cm3
Flash Point152.8ºC

Frequently Asked Questions

What is the CAS number of 1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran?

The CAS number of 1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran is 13433-31-3.

What are the molecular formula and molecular weight of 1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran?

1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran has molecular formula C20H21NO2 and molecular weight 307.38600 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3,3-Trimethylindolino-8'-methoxybenzopyrylospiran (CAS 13433-31-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40855-2 (accessed 2026-10-23).

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