Description

21-Dehydrocortiicosterone is a key steroid intermediate with significant relevance in pharmaceutical research and development. This compound is primarily valued for its role in the synthesis of more complex corticosteroid molecules and as a reference standard in analytical chemistry. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors who require high-purity steroid building blocks for drug discovery and process development.

Application

• Pharmaceutical intermediate for the synthesis of corticosteroid drugs and other steroid-based therapeutics.
• Reference standard in analytical laboratories for quality control and method validation using HPLC, GC, or LC-MS.
• Biochemical research tool for studying steroid hormone metabolism and enzyme activity.
• Starting material in the preparation of novel steroid derivatives for biological screening.
• Key ingredient in the development of diagnostic assays and reagents.

Basic Information

Product Name	21-Dehydrocortiicosterone
CAS No.	20287-97-2
Molecular Formula	C21H28O4
Molecular Weight	344.45 g/mol
Synonyms	21-Dehydrocorticosterone; 11β,21-Dihydroxypregn-4-ene-3,20-dione; 21-Dehydro-Reichstein's Substance H; 11β-Hydroxy-21-dehydrocorticosterone; Pregn-4-ene-3,20-dione, 11,21-dihydroxy-; Reichstein's Substance H Dehydro; 21-Dehydrocortisterone
EINECS	Contact for details

Quality Control

Our 21-Dehydrocortiicosterone is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to relevant industry standards for fine chemicals and pharmaceutical intermediates, with specifications tailored to meet rigorous research and cGMP starting material requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). For long-term storage, consider sealing under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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