Pseudolaric acid A

土荆皮甲酸

Also known as: Pseudolaric Acid A, (2E,4E)-5-[(1R,7S,8S,9R)-7-acetoxy-4,9-dimethyl-11-oxo-10-oxatricyclo[6.3.2.0^{1,8}]tridec-3-en-9-yl]-2-methylpenta-2,4-dienoic acid, (2E,4E)-5-[(3R,4S,4aS,9aR)-4a-(acetyloxy)-3,7-dimethyl-1-oxo-3,4,4a,5,6,9-hexahydro-4,9a-ethanocyclohepta[c]pyran-3(1H)-yl]-2-methylpenta-2,4-dienoic acid, NSC615487

Pseudolaric acid A (CAS 82508-32-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H28O6 and a molecular weight of 388.454 g/mol. It is also known as Pseudolaric Acid A, (2E,4E)-5-[(1R,7S,8S,9R)-7-acetoxy-4,9-dimethyl-11-oxo-10-oxatricyclo[6.3.2.0^{1,8}]tridec-3-en-9-yl]-2-methylpenta-2,4-dienoic acid and (2E,4E)-5-[(3R,4S,4aS,9aR)-4a-(acetyloxy)-3,7-dimethyl-1-oxo-3,4,4a,5,6,9-hexahydro-4,9a-ethanocyclohepta[c]pyran-3(1H)-yl]-2-methylpenta-2,4-dienoic acid. Key properties include a melting point of 206-207 ºC, a boiling point of 571.5±50.0 °C at 760 mmHg, a density of 1.23 and a flash point of 196.6±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 82508-32-5
Jingsj CID: J-1969674-2
Molecular Formula: C₂₂H₂₈O₆
Chinese Name: 土荆皮甲酸
Molecular Weight: 388.454 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	206-207 ºC
Boiling Point	571.5±50.0 °C at 760 mmHg
Density	1.23
Flash Point	196.6±23.6 °C
Exact Mass	388.188599
PSA	89.90000
LogP	3.49
Vapor Pressure	0.0±3.4 mmHg at 25°C
Refractive Index	1.563
Storage Conditions	2-8C

Activity & Biological Data

Additional Information	[1]. Zhang J, et al,. Antifungal activity of compounds extracted from Cortex Pseudolaricis against Colletotrichum gloeosporioides. J Agric Food Chem. 2014 May 28;62(21):4905-10. [2]. Pan DJ, et al. The cytotoxic principles of Pseudolarix kaempferi: pseudolaric acid-A and -B and related derivatives. Planta Med. 1990 Aug;56(4):383-5. [3]. Wang WC, et al. [Endocrine activity of pseudolaric acids A and B and their effects on sex hormones, prostaglandins, uteri, and fetuses]. Zhongguo Yao Li Xue Bao. 1991 Mar;12(2):187-90.

Additional Information

[1]. Zhang J, et al,. Antifungal activity of compounds extracted from Cortex Pseudolaricis against Colletotrichum gloeosporioides. J Agric Food Chem. 2014 May 28;62(21):4905-10. [2]. Pan DJ, et al. The cytotoxic principles of Pseudolarix kaempferi: pseudolaric acid-A and -B and related derivatives. Planta Med. 1990 Aug;56(4):383-5. [3]. Wang WC, et al. [Endocrine activity of pseudolaric acids A and B and their effects on sex hormones, prostaglandins, uteri, and fetuses]. Zhongguo Yao Li Xue Bao. 1991 Mar;12(2):187-90.

Frequently Asked Questions

What is the CAS number of Pseudolaric acid A?

The CAS number of Pseudolaric acid A is 82508-32-5.

What are the molecular formula and molecular weight of Pseudolaric acid A?

Pseudolaric acid A has molecular formula C22H28O6 and molecular weight 388.454 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Pseudolaric acid A (CAS 82508-32-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969674-2 (accessed 2026-10-28).

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