Description

3,17-Dihydroxy-5-Estrene is a high-purity steroid intermediate of significant importance in pharmaceutical synthesis. This compound matters as a critical building block for the development of steroidal active pharmaceutical ingredients (APIs) and research compounds. It is primarily needed by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions engaged in endocrinology and hormone-related studies.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of steroidal drugs and hormones.
• Research & Development: Used in biochemical research for studying steroid metabolism and receptor interactions.
• Reference Standard: Serves as a high-purity analytical standard for quality control in pharmaceutical manufacturing.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis to create more complex steroidal structures.
• Academic Studies: Utilized in university and institutional labs for educational and investigative purposes in organic and medicinal chemistry.

Basic Information

Product Name	3,17-Dihydroxy-5-Estrene
CAS No.	96744-97-7
Molecular Formula	C18H26O2
Molecular Weight	274.40 g/mol
Synonyms	5-Estrene-3,17-diol; 3,17-Dihydroxyestra-1,3,5(10)-triene; Estra-1,3,5(10)-triene-3,17-diol; 3,17β-Dihydroxyestra-1,3,5(10)-triene; 17β-Estradiol Impurity; Estradiol Related Compound; Dihydroxyestratriene
EINECS	Contact for details

Quality Control

Our 3,17-Dihydroxy-5-Estrene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical research and development. Certificates of Analysis (COA) with detailed chromatographic data are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (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
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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