Description

Estriol Trisulfate Trisodium Salt is a high-purity, water-soluble derivative of the natural estrogen hormone estriol. This compound is of significant value as a key biochemical standard and synthetic intermediate for research and pharmaceutical development. It is primarily utilized by research institutions and manufacturers in the life sciences, pharmaceutical, and diagnostic sectors for analytical and synthetic applications.

Application

• Biochemical Research Standard: Used as a reference standard in analytical methods such as HPLC and LC-MS for the quantification of estrogen metabolites in biological samples.
• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of more complex steroid conjugates and potential therapeutic agents.
• Diagnostic Reagent Manufacturing: Employed in the production of calibration kits and reagents for clinical diagnostics, particularly in hormone level testing.
• Metabolite Studies: Essential for in vitro and in vivo studies investigating the metabolism, sulfation pathways, and biological activity of estrogens.
• Enzyme Substrate: Acts as a substrate for studies involving sulfatase and sulfotransferase enzymes.

Basic Information

Product Name	Estriol Trisulfate Trisodium Salt
CAS No.	100940-55-4
Molecular Formula	C18H21Na3O12S3
Molecular Weight	634.50 g/mol
Synonyms	Estriol 3-sulfate 16-sulfate 17-sulfate trisodium salt; Trisodium 3,16,17-trisulfooxyestra-1,3,5(10)-trien-3-ol; E3S; Estriol trisulfate sodium salt; 1,3,5(10)-Estratrien-3,16α,17β-triol trisulfate trisodium salt; Estriol-3,16,17-trisulfate Na3
EINECS	Contact for details

Quality Control

Our Estriol Trisulfate Trisodium Salt is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification (IR, NMR), purity assay (HPLC), and control of related substances, to ensure it meets stringent specifications for research and development use. A Certificate of Analysis (COA) detailing all test results is 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 powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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