Cyclopiazonic acid

环匹阿尼酸

Also known as: CPA, α-Cyclopiazonic acid, Cyclopiazonic acid from Penicillium cyclopium, Cyclopiazonic acid (CPA), NSC 117181, MFCD00167445

Cyclopiazonic acid (CAS 18172-33-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H20N2O3 and a molecular weight of 1027.948 g/mol. It is also known as CPA, α-Cyclopiazonic acid and Cyclopiazonic acid from Penicillium cyclopium. Key properties include a melting point of 245-246ºC, a boiling point of 598.6ºC at 760mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 315.8ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18172-33-3
Jingsj CID
J-49771-8
Molecular Formula
C20H20N2O3
Chinese Name
环匹阿尼酸
Molecular Weight
1027.948 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point245-246ºC
Boiling Point598.6ºC at 760mmHg
Density1.5±0.1 g/cm3
Flash Point315.8ºC

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Cyclopiazonic acid?

The CAS number of Cyclopiazonic acid is 18172-33-3.

What are the molecular formula and molecular weight of Cyclopiazonic acid?

Cyclopiazonic acid has molecular formula C20H20N2O3 and molecular weight 1027.948 g/mol.

Is Cyclopiazonic acid hazardous?

Cyclopiazonic acid has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Cyclopiazonic acid (CAS 18172-33-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49771-8 (accessed 2026-10-24).

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