Description

(16α)-21-(Acetyloxy)-16-Methyl-Pregna-1,4,9(11)-Triene-3,20-Dione is a high-purity synthetic steroid derivative with a complex, modified pregnane backbone. This compound is of significant value as a critical pharmaceutical intermediate and a versatile building block in advanced organic synthesis. It is primarily required by research institutions and manufacturers in the pharmaceutical and fine chemical industries for the development of novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of steroidal drugs, including potential anti-inflammatory and hormonal agents.
• Research & Development: Used in academic and industrial laboratories for pharmacological studies and structure-activity relationship (SAR) research.
• Fine Chemical Synthesis: Serves as a sophisticated starting material for creating complex, high-value specialty chemicals.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation.
• Biochemical Research: Utilized in studies investigating steroid receptor interactions and metabolic pathways.

Basic Information

Product Name	(16α)-21-(Acetyloxy)-16-Methyl-Pregna-1,4,9(11)-Triene-3,20-Dione
CAS No.	4258-83-7
Molecular Formula	C₂₄H₃₀O₄
Molecular Weight	382.50 g/mol
Synonyms	16α-Methyl-9(11)-dehydroprednisolone 21-acetate; 16α-Methyl-9(11)-dehydrocortisone 21-acetate; 16α-Methyl-δ⁹(¹¹)-cortisone 21-acetate; 16α-Methyl-δ⁹(¹¹)-prednisolone 21-acetate; 16α-Methyl-δ⁹(¹¹)-dehydrocortisone acetate; (16α)-21-(Acetyloxy)-16-methylpregna-1,4,9(11)-triene-3,20-dione; 16α-Methyl-δ⁹(¹¹)-dehydrocortisone 21-acetate
EINECS	Contact for details

Quality Control

Our (16α)-21-(Acetyloxy)-16-Methyl-Pregna-1,4,9(11)-Triene-3,20-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and structural identity. Certificates of Analysis (COA) detailing all specifications are provided to guarantee batch-to-batch consistency and traceability for research and production use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity, the product should be handled under an inert atmosphere to prevent oxidation and kept away from incompatible materials.

Specification

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

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