Description

3-Methoxyestra-1,3,5(10)-Trien-17β-Ol Phenylcarbamate is a high-purity steroid derivative, specifically a phenylcarbamate ester of estradiol methyl ether. This compound serves as a critical pharmaceutical intermediate and a valuable reference standard for analytical and research purposes. It is primarily required by manufacturers and R&D laboratories in the pharmaceutical, biotechnology, and life sciences sectors for the development and quality control of steroidal APIs and related products.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of more complex steroidal active pharmaceutical ingredients (APIs).
• Analytical Reference Standard: Used for method development, validation, and quality control testing (e.g., HPLC, GC) in pharmaceutical laboratories.
• Biochemical Research: Serves as a precursor or model compound in steroid metabolism and hormone receptor interaction studies.
• Process Development: Employed in scaling up and optimizing synthetic routes for steroidal compounds in pilot plants.
• Impurity Standard: Used to identify and quantify related substances in final drug substance specifications.
• Academic Research: Utilized in university and institutional labs for chemical synthesis projects and pharmacological investigations.

Basic Information

Product Name	3-Methoxyestra-1,3,5(10)-Trien-17β-Ol Phenylcarbamate
CAS No.	43085-16-1
Molecular Formula	C26H31NO3
Molecular Weight	405.53 g/mol
Synonyms	Estradiol 3-Methyl Ether 17β-Phenylcarbamate; 17β-Hydroxy-3-methoxyestra-1,3,5(10)-trien-17-yl phenylcarbamate; 3-Methoxyestra-1,3,5(10)-trien-17β-ol, phenylcarbamate; 3-Methoxyestradiol 17-Phenylcarbamate; 3-Methoxy-17β-estradiol phenylcarbamate; NSC 154164; Phenylcarbamic acid 3-methoxyestra-1,3,5(10)-trien-17β-yl ester
EINECS	Contact for details

Quality Control

Our 3-Methoxyestra-1,3,5(10)-Trien-17β-Ol Phenylcarbamate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets exacting standards for research and pharmaceutical use. Certificates of Analysis (COA) documenting purity, related substances, and other critical parameters are available upon request to support your regulatory and quality assurance needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Related Substances (HPLC)	Total impurities ≤2.0%
Single Maximum Unknown Impurity	≤0.5%
Loss on Drying	≤0.5%

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