Description

Ergostan-3-Ol, (3.Beta.,5.Alpha.,24R)- CAS NO 474-60-2 is a high-purity sterol derivative, specifically a 24R-stereoisomer of ergostanol, known for its defined stereochemistry and consistent quality. This compound is a critical intermediate and reference standard in advanced research and synthesis, valued for its structural specificity. It is primarily required by the pharmaceutical, biotechnology, and fine chemical industries for applications in steroid chemistry, metabolic pathway studies, and the development of analytical methods.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs) and drug candidates.
• Biochemical Research: Used as a precise reference standard or substrate in enzymatic studies, metabolic research, and investigations into sterol biosynthesis pathways.
• Analytical Chemistry: Serves as a high-purity calibration standard for chromatographic (HPLC, GC) and spectroscopic methods to ensure accurate quantification and identification.
• Fine Chemical Synthesis: Employed in the preparation of specialized sterol derivatives for material science, agrochemicals, and advanced organic synthesis.
• Nutraceutical & Cosmetic R&D: Investigated for potential applications in the development of novel bioactive ingredients, leveraging its sterol backbone.

Basic Information

Product Name	Ergostan-3-Ol, (3.Beta.,5.Alpha.,24R)- CAS NO 474-60-2
CAS No.	474-60-2
Molecular Formula	C₂₈H₅₀O
Molecular Weight	402.70 g/mol
Synonyms	(24R)-Ergostan-3β-ol; (3β,5α,24R)-Ergostan-3-ol; 24R-Ergostanol; Ergostanol (24R-isomer); 5α-Ergostan-3β-ol (24R); Dihydrobrassicasterol (24R); Stigmastan-3-ol (24R); 24R-5α-Ergostan-3β-ol
EINECS	207-479-2

Quality Control

Our Ergostan-3-Ol, (3.Beta.,5.Alpha.,24R)- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets stringent specifications for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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