Description

21-(Phenylseleno)Progesterone is a chemically modified steroid derivative, specifically a selenylated analog of progesterone. This compound is of significant interest in advanced organic synthesis and pharmaceutical research, serving as a key intermediate for developing novel bioactive molecules. It is primarily utilized by research institutions and pharmaceutical companies engaged in steroid chemistry, medicinal chemistry, and the development of enzyme inhibitors or receptor modulators.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel steroid-based drug candidates and therapeutic agents.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies to explore the biological effects of selenium incorporation into steroid frameworks.
• Biochemical Probe: Employed in biochemical assays to study the interaction of modified steroids with enzymes like 5α-reductase or other steroidogenic enzymes.
• Organic Synthesis: Serves as a specialized reagent or intermediate in complex organic synthesis, particularly in reactions leveraging selenium chemistry.
• Academic Research: Utilized in university and institutional labs for advanced studies in organoselenium chemistry and steroid derivatives.

Basic Information

Product Name	21-(Phenylseleno)Progesterone
CAS No.	74136-99-5
Molecular Formula	C30H38O2Se
Molecular Weight	501.58 g/mol
Synonyms	21-(Phenylselanyl)pregn-4-ene-3,20-dione; Pregna-4-ene-3,20-dione, 21-(phenylseleno)-; 21-Phenylselenoprogesterone; 21-(Phenylseleno)pregn-4-ene-3,20-dione; Progesterone, 21-(phenylseleno)-; 21-(Phenylselanyl)progesterone
EINECS	Contact for details

Quality Control

Our 21-(Phenylseleno)Progesterone is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and spectroscopic methods (NMR, IR, MS) for structural confirmation, to ensure it meets the high standards required for research applications. A detailed Certificate of Analysis (COA) with batch-specific data is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
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.