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1-[(E)-but-2-en-2-yl]-2,8,10-trichloro-9-hydroxy-3-methoxy-4,7-dimethylbenzo[b][1,4]benzodioxepin-6-one

巢麴菌素

Also known as: NIDULIN, Nidulin, O-Methylustin, Methylustin

1-[(E)-but-2-en-2-yl]-2,8,10-trichloro-9-hydroxy-3-methoxy-4,7-dimethylbenzo[b][1,4]benzodioxepin-6-one (CAS 1329-04-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H17Cl3O5 and a molecular weight of 443.70500 g/mol. It is also known as NIDULIN, Nidulin and O-Methylustin. Key properties include a boiling point of 601.9ºC at 760mmHg, a density of 1.412g/cm3 and a flash point of 317.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1329-04-0
Jingsj CID
J-1058209-5
Molecular Formula
C20H17Cl3O5
Chinese Name
巢麴菌素
Molecular Weight
443.70500 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point601.9ºC at 760mmHg
Density1.412g/cm3
Flash Point317.8ºC

Frequently Asked Questions

What is the CAS number of 1-[(E)-but-2-en-2-yl]-2,8,10-trichloro-9-hydroxy-3-methoxy-4,7-dimethylbenzo[b][1,4]benzodioxepin-6-one?

The CAS number of 1-[(E)-but-2-en-2-yl]-2,8,10-trichloro-9-hydroxy-3-methoxy-4,7-dimethylbenzo[b][1,4]benzodioxepin-6-one is 1329-04-0.

What are the molecular formula and molecular weight of 1-[(E)-but-2-en-2-yl]-2,8,10-trichloro-9-hydroxy-3-methoxy-4,7-dimethylbenzo[b][1,4]benzodioxepin-6-one?

1-[(E)-but-2-en-2-yl]-2,8,10-trichloro-9-hydroxy-3-methoxy-4,7-dimethylbenzo[b][1,4]benzodioxepin-6-one has molecular formula C20H17Cl3O5 and molecular weight 443.70500 g/mol.

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

Last updated:

How to cite: Jingsj. "1-[(E)-but-2-en-2-yl]-2,8,10-trichloro-9-hydroxy-3-methoxy-4,7-dimethylbenzo[b][1,4]benzodioxepin-6-one (CAS 1329-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1058209-5 (accessed 2026-10-25).

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