Description

(3S,8S,9S,10S,13R,14S,17R)-13-methyl-17-[(2R)-6-methylheptan-2-yl]-10-(methylselanylmethyl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol is a high-purity, organoselenium-modified steroid derivative of significant interest in advanced chemical synthesis and pharmaceutical research. This compound is valued for its unique molecular architecture, which incorporates a methylselanyl group, offering a versatile handle for further chemical modifications and serving as a potential precursor or intermediate in the development of novel bioactive molecules. It is primarily sought by research institutions, pharmaceutical development laboratories, and fine chemical manufacturers engaged in steroid chemistry, organoselenium chemistry, and the synthesis of specialized reference standards or potential therapeutic agents.

Application

• Pharmaceutical Research & Development: Serves as a critical intermediate or building block in the synthesis of novel steroid-based drug candidates, particularly those exploring the biological role of selenium.
• Chemical Synthesis: Used as a specialized reagent in advanced organic synthesis for introducing selenium-containing functional groups into complex molecular frameworks.
• Reference Standard: Employed as a high-purity analytical standard in method development and quality control for laboratories analyzing complex steroid mixtures or organoselenium compounds.
• Biochemical Research: Investigated as a tool compound in studies related to steroid hormone metabolism, receptor interaction, or the biochemical pathways involving selenoproteins.
• Material Science Precursor: Potential use in the development of advanced materials where the specific steroidal backbone and selenium moiety impart desired properties.

Basic Information

Item	Details
Product Name	(3S,8S,9S,10S,13R,14S,17R)-13-methyl-17-[(2R)-6-methylheptan-2-yl]-10-(methylselanylmethyl)-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
CAS No.	58257-95-7
Molecular Formula	C30H52OSe
Molecular Weight	507.68 g/mol
Synonyms	10-(Methylselanylmethyl)sterol derivative; Selenium-containing steroid; 3-Hydroxy-10-(methylselenomethyl)-13-methyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene; Organoselenium steroid intermediate; Methylselenomethyl-cholestane derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of this high-value chemical intermediate is produced and analyzed under strict quality protocols. We guarantee high purity and consistent composition through advanced analytical techniques. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing parameters such as identity, assay, and impurity profiles. Our quality system is designed to meet the exacting standards required for pharmaceutical R&D and fine chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This product is light-sensitive (store away from light). For long-term storage, consider inert atmosphere conditions to ensure optimal stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Assay	≥ 97.0% (by weight)
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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