Pseudolaric Acid B

Catalog No. Size PriceQuantity
M12525-2 2mg solid $115
M12525-10 10mg solid $345


Pseudolaric Acid B is a diterpene isolated from the root of Pseudolarix kaempferi Gorden (pinaceae), has anti-cancer, antifungal, and antifertile activities, and shows immunosuppressive activity on T lymphocytes. Pseudolaric Acid B inhibits hepatitis B virus (HBV) secretion through apoptosis and cell cycle arrest. Pseudolaric Acid B induces autophagy.

Product information

CAS Number: 82508-31-4

Molecular Weight: 432.46

Formula: C23H28O8

Chemical Name: (2E, 4E)-5-[(1R, 7S, 8S, 9R)-7-(acetyloxy)-4-(methoxycarbonyl)-9-methyl-11-oxo-10-oxatricyclo[, ]tridec-3-en-9-yl]-2-methylpenta-2, 4-dienoic acid

Smiles: C[C@]1(/C=C/C=C(\C)/C(O)=O)OC(=O)[C@]23CC=C(CC[C@]2(OC(C)=O)[C@H]1CC3)C(=O)OC


InChi: InChI=1S/C23H28O8/c1-14(18(25)26)6-5-10-21(3)17-9-12-22(20(28)31-21)11-7-16(19(27)29-4)8-13-23(17,22)30-15(2)24/h5-7,10,17H,8-9,11-13H2,1-4H3,(H,25,26)/b10-5+,14-6+/t17-,21+,22+,23-/m0/s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : ≥ 125 mg/mL (289.04 mM)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200


  1. Zhou BN, et al. Some progress on the chemistry of natural bioactive terpenoids from Chinese medicinal plants. Mem Inst Oswaldo Cruz. 1991;86 Suppl 2:219-26.
  2. 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.
  3. Wei N, et al. The immunosuppressive activity of pseudolaric acid B on T lymphocytes in vitro. Phytother Res. 2013 Jul;27(7):980-5.

Products are for research use only. Not for human use.

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