Description

20R 23S 24S-Dinosterane is a specific stereoisomer of dinosterane, a diagnostic biomarker derived from dinoflagellate sterols. This compound matters significantly for its role as a highly specific geochemical tracer in petroleum and environmental studies. It is primarily needed by researchers and laboratories in the fields of organic geochemistry, petroleum exploration, and paleoenvironmental reconstruction to assess the origin, maturity, and migration of crude oils and to study ancient marine ecosystems.

Application

• Biomarker Analysis in Petroleum Geochemistry: Used as a key reference standard for identifying dinoflagellate-derived organic matter in crude oils and source rock extracts.
• Paleoenvironmental Reconstruction: Serves as a specific tracer in sediment cores to study historical dinoflagellate blooms and past marine conditions.
• Oil-Source Rock Correlation: Critical for fingerprinting and correlating petroleum reservoirs to their specific source rocks.
• Organic Geochemistry Research: An essential analytical standard in academic and industrial research laboratories for method development and calibration.
• Environmental Forensics: Applied in tracing the source and fate of hydrocarbon contamination in marine environments.

Basic Information

Product Name	20R 23S 24S-Dinosterane
CAS No.	146276-36-0
Molecular Formula	C30H54
Molecular Weight	414.75 g/mol
Synonyms	4α,23,24-Trimethyl-5α-cholestane (20R,23S,24S); (20R,23S,24S)-Dinosterane; Dinosterane (20R,23S,24S-isomer); 4α,23,24-Trimethylcholestane; Dinoflagellate Biomarker; 20R,23S,24S-4α,23,24-Trimethyl-5α-cholestane; Geochemical Standard 146276-36-0
EINECS	Contact for details

Quality Control

Our 20R 23S 24S-Dinosterane is produced and handled under strict quality protocols to ensure the high purity and stereochemical integrity required for precise analytical work. Each batch is characterized using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and isomer-specific data is provided to support your research and compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Keep away from heat and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR / NMR)	Conforms to structure
Purity (GC / GC-MS)	≥ 95% (Area %)
Stereoisomeric Purity	≥ 98% (20R,23S,24S-isomer)
Solubility	Soluble in common organic solvents (e.g., hexane, dichloromethane)

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