Description

3-Indoxyl Caprylate is a specialized biochemical reagent, an ester derivative of indoxyl and caprylic acid. This compound is valued for its role as a chromogenic substrate in enzymatic assays, where its hydrolysis yields a distinct, measurable color change. It is primarily utilized by research institutions, diagnostic kit manufacturers, and pharmaceutical companies for applications in microbiology, molecular biology, and diagnostic development.

Application

• Chromogenic Substrate for Enzymatic Detection: Used in microbiological media and diagnostic kits to detect specific bacterial enzymes (e.g., β-galactosidase, esterases), producing an insoluble blue indigo dye upon cleavage.
• Research & Diagnostic Assay Development: Serves as a critical reagent in developing and optimizing colorimetric assays for research and clinical diagnostics.
• Microbial Identification Systems: Employed in automated and manual systems for the identification and differentiation of microbial species based on their enzymatic profiles.
• Biochemical Research: Used in studies of enzyme kinetics, inhibition, and function within academic and industrial R&D laboratories.
• Quality Control in Biotechnology: Applied in the QC testing of fermentation processes and recombinant protein expression where specific enzymatic activities must be monitored.

Basic Information

Product Name	3-Indoxyl Caprylate
CAS No.	133950-66-0
Molecular Formula	C16H21NO3
Molecular Weight	275.34 g/mol
Synonyms	Indoxyl caprylate; 3-Indolyl octanoate; 1H-Indol-3-yl octanoate; 3-Indoxyl octanoate; Caprylic acid indol-3-yl ester; Octanoic acid 1H-indol-3-yl ester; 3-Indolyl caprylate; 8-(3-Indolyloxy)-8-oxooctanoic acid (related form)
EINECS	Contact for details

Quality Control

Our 3-Indoxyl Caprylate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets the high standards required for sensitive biochemical applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Solubility	Soluble in DMSO, DMF; sparingly soluble in ethanol

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