Description

17Beta(H),21Alpha(H)-22Rs-Homohopane is a high-purity, structurally defined hopanoid compound, a class of pentacyclic triterpenoids with significant geochemical and biochemical relevance. This specific homohopane stereoisomer serves as a critical reference standard and biomarker for precise analytical work. It is primarily utilized by research institutions and industrial laboratories engaged in petroleum geochemistry, environmental forensics, and advanced organic geochemical studies.

Application

• Biomarker Analysis in Petroleum Geochemistry: Used as a key internal or external standard for gas chromatography-mass spectrometry (GC-MS) to characterize crude oils and source rocks, aiding in oil-oil and oil-source rock correlation.
• Environmental Forensics and Contamination Studies: Acts as a diagnostic tracer to identify the source and maturity of petroleum hydrocarbons in contaminated soil, sediment, and water samples.
• Organic Geochemical Research: Essential for studying diagenesis and catagenesis processes in sedimentary basins, providing insights into thermal maturity and depositional environments.
• Method Development and Validation: Serves as a certified reference material (CRM) for calibrating analytical instruments and validating new GC-MS or LC-MS methods for terpenoid analysis.
• Academic and Industrial R&D: Employed in fundamental research on the formation and transformation of complex organic molecules in geological systems.

Basic Information

Product Name	17Beta(H),21Alpha(H)-22Rs-Homohopane
CAS No.	54352-49-7
Molecular Formula	C31H54
Molecular Weight	426.76 g/mol
Synonyms	17β(H),21α(H)-22Rs-Homohopane; 22Rs-17β(H),21α(H)-Homohopane; 17β(H),21α(H)-Homohopane (22R); Homohopane (17β,21α,22R); C31 Hopane; 22R-17β,21α-Homohopane; Geochemical Biomarker C31; Pentacyclic Triterpane Standard
EINECS	Contact for details

Quality Control

Every batch of 17Beta(H),21Alpha(H)-22Rs-Homohopane is produced and analyzed under strict quality protocols to ensure identity, purity, and consistency. Our products undergo rigorous quality testing, including chromatographic and spectroscopic analysis, to ensure compliance with the high standards required for reference materials and analytical standards. Comprehensive Certificates of Analysis (COA) detailing purity, analytical methods, and batch-specific data are provided.

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 hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (GC-MS)	≥ 95% (Area %)
Purity (HPLC)	≥ 98% (Area %)
Melting Point	Contact for details
Specific Rotation	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents	Complies with ICH guidelines

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