Description

Estra-1,3,5(10)-Triene-3,7,17-Triol is a high-purity steroid derivative, specifically a trihydroxy estrogen. This compound serves as a critical advanced intermediate in the synthesis of complex steroid hormones and pharmaceutical active ingredients. It is essential for research and development laboratories, as well as production facilities, in the pharmaceutical, biotechnology, and fine chemical sectors requiring precise molecular building blocks for therapeutic agents.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the production of specialized estrogen analogs and hormone-based therapeutics.
• Biochemical Research: Used as a reference standard and building block in steroid metabolism studies and receptor binding assays.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of novel steroid derivatives for drug discovery programs.
• Reference Material: Serves as a high-purity analytical standard for quality control in pharmaceutical manufacturing.
• Academic Research: Utilized in university and institutional labs for organic chemistry and medicinal chemistry projects.

Basic Information

Product Name	Estra-1,3,5(10)-Triene-3,7,17-Triol
CAS No.	3398-11-6
Molecular Formula	C18H24O3
Molecular Weight	288.38 g/mol
Synonyms	Estriol; 1,3,5(10)-Estratrien-3,7,17-triol; 7-Hydroxyestriol; 3,7,17-Trihydroxyestra-1,3,5(10)-triene; 16,17-Dihydroxyestra-1,3,5(10)-trien-3-ol; Oestriol; Theelol
EINECS	Contact for details

Quality Control

Our Estra-1,3,5(10)-Triene-3,7,17-Triol 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 exacting standards for research and synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.0%

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