Description

Cycloprotobuxine A CAS NO 2278-38-8 is a steroidal alkaloid compound derived from the *Buxus* genus of plants. This specialized phytochemical is valued for its unique structural framework, which serves as a critical intermediate and reference standard in advanced research and development. It is primarily sought by pharmaceutical, biotechnology, and academic institutions engaged in the study of natural product chemistry, medicinal chemistry, and pharmacology.

Application

• Pharmaceutical Research & Development: Serves as a key intermediate or building block in the synthesis of novel therapeutic agents.
• Reference Standard: Used as a high-purity analytical standard for quality control and method validation in laboratories.
• Medicinal Chemistry Studies: Employed in structure-activity relationship (SAR) studies to explore biological activity and optimize lead compounds.
• Natural Product Isolation & Analysis: Acts as a benchmark compound for the identification and quantification of related alkaloids in plant extracts.
• Biochemical Research: Utilized in in-vitro assays to investigate specific biological pathways and enzyme interactions.
• Academic & Institutional Research: Supports fundamental chemical and pharmacological research in university and government laboratories.

Basic Information

Product Name	Cycloprotobuxine A
CAS No.	2278-38-8
Molecular Formula	C₂₅H₄₂N₂O
Molecular Weight	386.62 g/mol
Synonyms	Cycloprotobuxine-A; 9,19-Cycloprotojervan-11-one, 3β,20α-dimethylamino-; Protobuxine C; Buxamine E; 3β,20α-Bis(dimethylamino)-9β,19-cyclo-5α-pregn-11-one; (3β,5α,9β,20α)-3,20-Bis(dimethylamino)-9,19-cyclopregnan-11-one
EINECS	Contact for details

Quality Control

Our Cycloprotobuxine A is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity, suitable for research applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support compliance with relevant standards for research chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). The product is moisture-sensitive (hygroscopic) and should be handled under anhydrous conditions when necessary.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 5.0%

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