Description

(17β)-17-Hydroxy-17-Methylestr-5(10)-En-3-One CAS NO 2741-75-5 is a high-purity synthetic steroid intermediate, also known as Methylestrenolone, valued for its role as a versatile building block in advanced pharmaceutical synthesis. This compound is critical for manufacturers requiring a reliable and consistent raw material to produce active pharmaceutical ingredients (APIs) and other fine chemicals. It is primarily utilized by the pharmaceutical, research, and development sectors for creating therapeutic agents and conducting biochemical studies.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various steroidal drugs and hormone-based therapies.
• Anabolic Steroid Synthesis: Serves as a fundamental building block for the production of specific anabolic-androgenic steroid compounds.
• Research & Development: Used in biochemical and pharmacological research to study steroid metabolism and receptor interactions.
• Reference Standard: Employed as a high-purity analytical standard in quality control laboratories for method development and validation.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex organic molecules requiring a steroidal backbone.

Basic Information

Product Name	(17β)-17-Hydroxy-17-Methylestr-5(10)-En-3-One
CAS No.	2741-75-5
Molecular Formula	C₂₀H₃₀O₂
Molecular Weight	302.45 g/mol
Synonyms	Methylestrenolone; 17α-Methyl-19-nortestosterone; 17α-Methylestr-4-en-17β-ol-3-one; 17β-Hydroxy-17α-methylandrost-4-en-3-one; 17α-Methyl-19-norandrost-4-en-17β-ol-3-one; NSC-74226; 17-Methyl-19-nortestosterone
EINECS	220-378-9

Quality Control

Our (17β)-17-Hydroxy-17-Methylestr-5(10)-En-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets stringent specifications for pharmaceutical-grade intermediates. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from incompatible materials.

Specification

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

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