Description

17α-Acetoxy-19-Norpregna-4,9-Diene-3,20-Dione is a high-purity steroid intermediate of significant commercial and research importance. This compound serves as a critical building block in the synthesis of various active pharmaceutical ingredients (APIs) and other specialized steroid derivatives. It is primarily required by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic institutions engaged in steroid chemistry and hormone research.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of progestogens and other steroidal hormones.
• Research & Development: Used in academic and industrial laboratories for studying steroid structure-activity relationships and developing novel therapeutic agents.
• Fine Chemical Synthesis: Serves as a versatile starting material for creating custom steroid analogs and specialty chemicals.
• Reference Standard: Employed as an analytical standard in quality control and method development for pharmaceutical analysis.

Basic Information

Product Name	17α-Acetoxy-19-Norpregna-4,9-Diene-3,20-Dione
CAS No.	14340-04-6
Molecular Formula	C22H28O4
Molecular Weight	356.46 g/mol
Synonyms	19-Nor-17α-pregna-4,9-diene-3,20-dione, 17α-acetate; 17α-Acetoxy-19-norpregna-4,9-diene-3,20-dione; 17α-Acetoxy-19-nor-4,9-pregnadiene-3,20-dione; 19-Norpregna-4,9-diene-3,20-dione, 17α-acetoxy-; 17α-Acetoxy-19-nor-δ4,9-pregnadiene-3,20-dione
EINECS	Contact for details

Quality Control

Our 17α-Acetoxy-19-Norpregna-4,9-Diene-3,20-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the stringent requirements for pharmaceutical intermediates. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.