Description

Biuret Reagent For Protein Assay is a specialized chemical solution formulated for the quantitative colorimetric determination of protein concentration. Its core value lies in providing a reliable, rapid, and reproducible method for protein analysis, which is fundamental to research, quality control, and diagnostic processes. This reagent is essential for laboratories in the biotechnology, pharmaceutical, academic research, and food science industries where accurate protein quantification is critical.

Application

• Protein Concentration Determination: Primary use in the biuret assay for measuring total protein content in biological samples, cell lysates, and purified fractions.
• Biopharmaceutical Quality Control: Used in the analysis of protein-based therapeutics, vaccines, and other biologics during production and release testing.
• Clinical Diagnostics: Employed in clinical chemistry analyzers for measuring protein levels in serum, plasma, and other bodily fluids.
• Food & Beverage Analysis: Applied to determine protein content in food products, nutritional supplements, and raw ingredients for labeling and quality assurance.
• Academic & Industrial Research: A standard tool in biochemistry and molecular biology laboratories for routine protein assays in experimental workflows.
• Agricultural Science: Used in the analysis of protein in grains, feeds, and other agricultural products.

Basic Information

Product Name	Biuret Reagent For Protein Assay
CAS No.	9999-99-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Biuret Test Reagent; Biuret Color Reagent; Protein Assay Reagent (Biuret Method); Biuret Solution; Copper-Alkali Reagent; Biuret Copper Reagent; Alkaline Copper Tartrate Reagent
EINECS	Contact for details

Quality Control

Our Biuret Reagent is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure performance, consistency, and reliability for your critical protein assays. Certificates of Analysis (COA) detailing purity, performance in standard protein assays, and other critical parameters are available for every lot to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at room temperature (15-25°C). Keep away from strong bases and organic solvents. The reagent is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Clear, blue solution
Identification	Complies (Colorimetric Test)
Assay (Performance)	Meets reference standard for BSA calibration curve
pH	10.5 - 11.5
Absorbance (Blank)	< 0.1 at 540 nm
Stability	> 12 months when stored as directed

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