(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione

(S)-(+)-3,4,8,8a-四氢-8a-甲基-1,6(2H,7H)-萘二酮

Also known as: (S)-Wieland-Miescher ketone, (+)-Wieland-Miescher ketone, (8aS)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione, (8aS)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione, S(+)-8a-methyl-3,4,8,8a-tetrahydro-1,6-naphthalenedione, (S)-(+)-8a-Methyl-3,4,8,8a-tetrahydro-1,6(2H,7H)-naphthalenedione, WIELAND-MIESCHER KETONE, S-(+)-ISOMER, S(+)-9-methyl-5(10)-octaline-1,6-dione, (S)-(+)-9-Methyl-delta-(5,10)-octalin-1,6-dione, MFCD00213797

(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione (CAS 33878-99-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H14O2 and a molecular weight of 178.22800 g/mol. It is also known as (S)-Wieland-Miescher ketone, (+)-Wieland-Miescher ketone and (8aS)-8a-methyl-3,4,8,8a-tetrahydronaphthalene-1,6(2H,7H)-dione. Key properties include a melting point of 49-51ºC, a boiling point of 325.5ºC at 760mmHg, a density of 1.1g/cm3 and a flash point of 122ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33878-99-8
Jingsj CID
J-34799-2
Molecular Formula
C11H14O2
Chinese Name
(S)-(+)-3,4,8,8a-四氢-8a-甲基-1,6(2H,7H)-萘二酮
Molecular Weight
178.22800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point49-51ºC
Boiling Point325.5ºC at 760mmHg
Density1.1g/cm3
Flash Point122ºC

Frequently Asked Questions

What is the CAS number of (S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione?

The CAS number of (S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione is 33878-99-8.

What are the molecular formula and molecular weight of (S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione?

(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione has molecular formula C11H14O2 and molecular weight 178.22800 g/mol.

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

Last updated:

How to cite: Jingsj. "(S)-(+)-3,4,8,8a-Tetrahydro-8a-methyl-1,6(2H,7H)-naphthalenedione (CAS 33878-99-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34799-2 (accessed 2026-10-23).

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