Description

Punctaporonin E CAS NO 65522-91-0 is a specialized natural product compound belonging to the punctaporonin class of sesquiterpenoids. This compound is valued for its unique chemical structure, which serves as a critical intermediate and reference standard in advanced organic synthesis and pharmacological research. It is primarily sought after by research institutions and pharmaceutical development companies engaged in the discovery of novel bioactive molecules and the synthesis of complex natural product derivatives.

Application

• Pharmaceutical Research & Development: Used as a key intermediate or a reference standard in the synthesis and study of novel therapeutic agents.
• Bioactive Compound Screening: Serves as a pure standard in high-throughput screening assays to identify new biological activities.
• Natural Product Chemistry: Acts as a crucial building block or a comparative marker in the total synthesis of complex sesquiterpenoids.
• Academic & Institutional Research: Employed in university and institutional labs for chemical education and mechanistic studies in organic chemistry.
• Chemical Reference Material: Provides a certified, high-purity material for analytical method development and validation in quality control laboratories.

Basic Information

Product Name	Punctaporonin E
CAS No.	65522-91-0
Molecular Formula	C15H20O3
Molecular Weight	248.32 g/mol
Synonyms	Punctaporonin E; (1aR,4S,4aR,7R,7aS,7bS)-Decahydro-1,1,4,7-tetramethyl-cyclopropa[e]azulen-4,7a-diol; 4,7a-Dihydroxy-1,1,4,7-tetramethyldecahydrocyclopropa[e]azulene; Punctaporonin E (6CI); Azulene derivative, punctaporonin E
EINECS	Contact for details

Quality Control

Our Punctaporonin E is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity confirmation, and impurity profiles. We are committed to meeting the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. This product is light-sensitive and easily oxidized; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Residual Solvents (GC)	Complies with ICH guidelines
Water Content (KF)	≤ 2.0%

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