Description

(20R,23R,24S)-Dinosterane is a specific stereoisomer of dinosterane, a biomarker compound belonging to the class of sternnes. This high-purity reference standard is critical for precise analytical work, particularly in geochemical and environmental research. It is primarily utilized by research laboratories, academic institutions, and industrial R&D departments specializing in petroleum geochemistry, paleoenvironmental studies, and biomarker analysis.

Application

• Geochemical Biomarker Standard: Serves as an authentic reference material for the identification and quantification of dinosterane in crude oils and sedimentary rock extracts.
• Petroleum Exploration & Source Rock Analysis: Used to assess the maturity, origin, and depositional environment of petroleum source rocks.
• Paleoenvironmental Reconstruction: Acts as a specific biomarker for dinoflagellate inputs in ancient marine sediments, aiding in the study of past climates and ecosystems.
• Analytical Method Development & Validation: Essential for calibrating instruments like GC-MS and developing reliable analytical protocols in organic geochemistry.
• Quality Control in Research: Provides a benchmark for ensuring accuracy and reproducibility in biomarker studies across different laboratories.

Basic Information

Product Name	(20R,23R,24S)-Dinosterane
CAS No.	146276-33-7
Molecular Formula	C30H54
Molecular Weight	414.75 g/mol
Synonyms	4α,23,24-Trimethyl-5α-cholestane; (20R)-4α,23,24-Trimethyl-5α-cholestane; Dinosterane (specific isomer); 5α-Cholestane, 4α,23,24-trimethyl-, (20R,23R,24S)-; Geochemical Biomarker C30 Sterane
EINECS	Contact for details

Quality Control

Our (20R,23R,24S)-Dinosterane is produced and handled under strict quality management protocols to ensure the highest standards of purity and identity confirmation, essential for research and analytical applications. Each batch is characterized using advanced analytical techniques including GC-MS, NMR, and HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and chromatographic data is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. For long-term storage, consider storing under an inert atmosphere at a lower temperature (-20°C) to ensure maximum stability.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Identification (GC-MS)	Conforms to reference
Purity (HPLC)	≥ 95% (Area %)
Purity (GC)	≥ 95% (Area %)
Specific Rotation	Contact for details

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