Description

(4R,16S)-11β,16-Epoxykauran-18-Oic Acid CAS NO 77658-36-7 is a high-purity, specialized diterpenoid compound belonging to the kaurane class. This compound serves as a critical advanced pharmaceutical intermediate and a valuable reference standard for research and development. It is primarily sought by pharmaceutical manufacturers and biochemical research institutions engaged in the synthesis of novel therapeutic agents and natural product studies.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of complex bioactive molecules and potential drug candidates.
• Reference Standard: Used for analytical method development, validation, and quality control in pharmaceutical and natural product laboratories.
• Biochemical Research: Employed in studies investigating diterpenoid biosynthesis, structure-activity relationships (SAR), and enzyme interactions.
• Natural Product Chemistry: Serves as a pure standard for the isolation, identification, and quantification of related kaurane diterpenoids from plant extracts.
• Academic Research: Utilized in universities and research institutes for organic synthesis projects and pharmacological screening.

Basic Information

Product Name	(4R,16S)-11β,16-Epoxykauran-18-Oic Acid
CAS No.	77658-36-7
Molecular Formula	C₂₀H₂₈O₄
Molecular Weight	332.43 g/mol
Synonyms	11β,16-Epoxykauran-18-oic acid; 11β,16-Epoxy-kaurane-18-oic acid; (4R,16S)-11β,16-Epoxy-kauran-18-oic acid; 11β,16-Epoxy-(-)-kauran-18-oic acid; 11β,16-Epoxy-ent-kauran-18-oic acid; 16S,11β-Epoxykauran-18-oic acid; Kaurane diterpenoid derivative.
EINECS	Contact for details

Quality Control

Our (4R,16S)-11β,16-Epoxykauran-18-Oic Acid is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR, MS), to ensure it meets exacting standards for research and synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is moisture-sensitive; ensure the container is kept tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation	Contact for details

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