Description

17-Methyl-Estra-3,5-Diene-3,17β-Diol Diacetate is a high-purity synthetic steroid intermediate of significant importance in advanced pharmaceutical research and development. This compound serves as a critical building block for the synthesis of novel therapeutic agents, particularly in the field of endocrinology and hormone-related therapies. It is primarily required by pharmaceutical manufacturers, R&D laboratories, and fine chemical suppliers focused on producing high-value active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of specialized steroidal drugs and hormonal therapies.
• Research & Development: Used in academic and industrial laboratories for investigating new biochemical pathways and drug candidates.
• Fine Chemical Synthesis: Serves as a starting material or intermediate for producing other complex, high-value steroid derivatives.
• Reference Standard: Utilized as an analytical standard in quality control laboratories for method development and validation.
• Biochemical Studies: Employed in studies related to steroid receptor binding and metabolic pathway analysis.

Basic Information

Product Name	17-Methyl-Estra-3,5-Diene-3,17β-Diol Diacetate
CAS No.	95564-05-9
Molecular Formula	C24H32O4
Molecular Weight	384.51 g/mol
Synonyms	17α-Methylestra-3,5-diene-3,17β-diol diacetate; 3,17β-Diacetoxy-17α-methylestra-3,5-diene; 17-Methyl-3,5-estradien-3,17-diol diacetate; 17α-Methylandrosta-3,5-diene-3,17β-diol diacetate; 17-Methyl-Estra-3,5-Diene-3,17β-Diol Diacetate; 17-Methyl-δ3,5-estradiene-3,17β-diol diacetate; 17-Methylestra-3,5-diene-3,17-diol diacetate
EINECS	Contact for details

Quality Control

Our 17-Methyl-Estra-3,5-Diene-3,17β-Diol Diacetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets the stringent requirements for pharmaceutical intermediates. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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