Description

17β-Estradiol 17-Sulfate Potassium Salt is a high-purity, conjugated metabolite of the primary female sex hormone, estradiol. This compound is critical for research and development in endocrinology and pharmaceutical sciences, serving as a key reference standard and biochemical tool. It is essential for scientists and manufacturers in the pharmaceutical, biotechnology, and diagnostic sectors who require precise and reliable materials for hormone analysis, metabolic studies, and the development of therapeutic and diagnostic assays.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the quantitative analysis of estradiol metabolites in drug development and quality control.
• Clinical Research & Diagnostics: Employed in the development and calibration of immunoassays and LC-MS/MS methods for measuring hormone levels in biological samples.
• Metabolic Pathway Studies: A vital reagent for investigating the sulfation pathways and pharmacokinetics of steroid hormones in vitro and in vivo.
• Biochemical Research: Used to study estrogen receptor interactions and the biological activity of hormone conjugates.
• Academic Research: Serves as a key material in university and institutional labs for endocrinology and steroid chemistry research.

Basic Information

Product Name	17β-Estradiol 17-Sulfate Potassium Salt
CAS No.	23929-50-2
Molecular Formula	C18H23KO5S
Molecular Weight	414.53 g/mol
Synonyms	Estradiol 17-Sulfate Potassium Salt; E2-17S Potassium Salt; 17β-Estradiol 17-(Hydrogen Sulfate) Potassium Salt; Potassium 17β-Estradiol 17-Sulfate; 1,3,5(10)-Estratriene-3,17β-diol 17-Sulfate Potassium Salt; Estra-1,3,5(10)-triene-3,17β-diol 17-Sulfate Potassium Salt
EINECS	Contact for details

Quality Control

Our 17β-Estradiol 17-Sulfate Potassium Salt is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing batch-specific results is provided with every shipment to guarantee traceability and consistency.

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 structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Water Content (KF)	≤2.0%
Heavy Metals	<20 ppm
Residue on Ignition	Reported on COA

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