Description

3-Indoxyl Sulfate Potassium Salt is a key biochemical reagent and a stable salt form of a major gut microbial metabolite. This compound is essential for research and development in life sciences, serving as a critical standard and precursor. It is primarily utilized by researchers and manufacturers in the pharmaceutical, diagnostic, and nutraceutical industries for studying metabolic pathways, developing assays, and formulating specialized products.

Application

• Biochemical Research Standard: Used as a high-purity reference standard for the quantification of indoxyl sulfate (uremic toxin) in biological samples via HPLC, LC-MS, or ELISA.
• Diagnostic Kit Manufacturing: A vital raw material in the production of in-vitro diagnostic (IVD) kits for assessing renal function and gut health.
• Pharmaceutical Intermediates: Serves as a key intermediate in the synthesis of more complex molecules for drug discovery and development programs.
• Microbiome & Metabolic Studies: Employed in cell culture and animal model studies to investigate the role of gut-derived metabolites in disease states.
• Enzyme Substrate: Acts as a substrate for studying sulfatase enzyme activity in various biochemical assays.
• Nutraceutical Research: Used in research focused on prebiotics, probiotics, and dietary interventions aimed at modulating metabolite levels.

Basic Information

Product Name	3-Indoxyl Sulfate Potassium Salt
CAS No.	2642-37-7
Molecular Formula	C8H6KNO4S
Molecular Weight	251.30 g/mol
Synonyms	Indoxyl Sulfate Potassium Salt; Potassium Indoxyl Sulfate; Indican Potassium Salt; 3-Indoxylsulfuric Acid Potassium Salt; 1H-Indol-3-yl Sulfate Potassium Salt; Uremic Toxin Standard; IS K+ Salt
EINECS	220-161-7

Quality Control

Our 3-Indoxyl Sulfate Potassium Salt 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 the high standards required for research and industrial applications. Certificates of Analysis (COA) with lot-specific data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is sealed tightly after each use 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	≤ 0.1%

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