Description

13-Ethyl-17Alpha-Hydroxy-18,19-Dinorpregn-4-En-20-Yn-3-One Cyclobutanecarboxylate is a high-purity synthetic steroid intermediate of significant commercial and research importance. Its precise molecular structure makes it a critical building block for the synthesis of advanced pharmaceutical compounds. This product is essential for manufacturers and research institutions in the pharmaceutical and fine chemical sectors requiring reliable, high-quality raw materials for complex synthesis pathways.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of specific steroidal active pharmaceutical ingredients (APIs).
• Hormone Research: Used in the development and study of novel hormonal compounds and their biological activities.
• Fine Chemical Synthesis: Serves as a specialized building block for complex organic synthesis in advanced chemical manufacturing.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation.
• Biochemical Research: Utilized in academic and industrial research exploring steroidal pathways and receptor interactions.

Basic Information

Product Name	13-Ethyl-17Alpha-Hydroxy-18,19-Dinorpregn-4-En-20-Yn-3-One Cyclobutanecarboxylate
CAS No.	86679-36-9
Molecular Formula	C₂₆H₃₄O₄
Molecular Weight	410.55 g/mol
Synonyms	13-Ethyl-17α-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one cyclobutanecarboxylate; 17α-Hydroxy-13-ethyl-18,19-dinor-17α-pregn-4-en-20-yn-3-one cyclobutanecarboxylate; Gestodene Cyclobutanecarboxylate; Gestodene 17-Cyclobutanecarboxylate; 17α-Cyclobutanecarbonyloxy-13-ethyl-18,19-dinor-17α-pregn-4-en-20-yn-3-one; 86679-36-9; Gestodene 17α-Cyclobutanecarboxylate
EINECS	Contact for details

Quality Control

Our 13-Ethyl-17Alpha-Hydroxy-18,19-Dinorpregn-4-En-20-Yn-3-One Cyclobutanecarboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, IR, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical quality parameters to support your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.5%
Related Substances (HPLC)	Total impurities ≤ 1.5% Any single 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.