Description

Pseudolaric Acid B is a bioactive diterpenoid compound isolated from the root bark of *Pseudolarix kaempferi* (Golden Larch). This natural product is valued for its significant biological activity, making it a compound of high interest in advanced research and development. It is primarily sought after by the pharmaceutical and biotechnology sectors for its potential as a lead compound in novel therapeutic discovery. Pseudolaric Acid B CAS NO 82508-31-4 is a key material for researchers investigating antifungal, anti-angiogenic, and antitumor agents.

Application

• Pharmaceutical Research & Development: Serves as a critical reference standard and active pharmaceutical ingredient (API) intermediate in the discovery of new antifungal and anticancer drugs.
• Biochemical Research: Used as a potent tool compound in cell biology and pharmacology studies to investigate mechanisms of cell cycle arrest and apoptosis.
• Antifungal Agent Development: Explored for its potent activity against a range of pathogenic fungi, including *Candida* species, for potential topical or systemic formulations.
• Anti-angiogenesis Studies: Utilized in research targeting tumor growth suppression through the inhibition of new blood vessel formation.
• Natural Product Chemistry: Employed as a high-purity standard for the qualitative and quantitative analysis of extracts from *Pseudolarix* species.
• Preclinical Studies: Acts as a key material in *in vitro* and *in vivo* models to evaluate pharmacokinetics, toxicity, and efficacy profiles.

Basic Information

Product Name	Pseudolaric Acid B
CAS No.	82508-31-4
Molecular Formula	C₂₃H₂₈O₈
Molecular Weight	432.47 g/mol
Synonyms	Pseudolaric acid B; NSC 146735; (-)-Pseudolaric Acid B; Pseudolaric Acid B (6CI); 7-Oxabicylo[2.2.1]heptane-2-carboxylic acid, 1,3,5-trimethyl-6-(1-methylethenyl)-, (1R,2S,5R)-rel-; Kaempferi diterpene acid B; Pseudolaric acid from Pseudolarix kaempferi
EINECS	Contact for details

Quality Control

Our Pseudolaric Acid B is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity determination and spectroscopic methods (NMR, MS) for structural confirmation, to ensure identity, potency, and consistency. Certificates of Analysis (COA) detailing all test results are provided to guarantee compliance with your research and development specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.