Description

Sarcosine Cresol Red is a high-purity biochemical reagent and indicator dye, primarily valued for its role as a sensitive colorimetric substrate in enzymatic assays. Its significance lies in its specific reactivity, which enables precise measurement and detection in complex biological and chemical matrices. This product is essential for research and quality control laboratories in the pharmaceutical, biotechnology, and diagnostic industries, where accurate enzymatic analysis is critical.

Application

• As a chromogenic substrate for the colorimetric detection and quantification of enzyme activity, particularly for proteases and peptidases.
• Use in diagnostic kit development for clinical testing and biomedical research applications.
• Biochemical research tool for studying enzyme kinetics, inhibition, and mechanism of action.
• Quality control testing in pharmaceutical manufacturing processes involving enzymatic steps.
• Component in formulated reagent blends for automated clinical analyzers.
• Potential use as a pH indicator in specialized analytical procedures.

Basic Information

Product Name	Sarcosine Cresol Red
CAS No.	65720-39-0
Molecular Formula	C21H15NO7S
Molecular Weight	425.41 g/mol
Synonyms	SCR; Sarcosine-p-cresol red; 3',3''-Bis[N-(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein; 5',5''-Dibromo-o-cresolsulfonephthalein 3',3''-bis(methyliminodiacetic acid); Cresol Red derivative; Sarcosine Cresolsulfonephthalein; Diagnostic reagent SCR
EINECS	Contact for details

Quality Control

Our Sarcosine Cresol Red is manufactured under strict quality management systems to ensure batch-to-batch consistency and high performance. Each lot undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with our stringent in-house specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Dark red to brownish-red powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 0.5 %
Heavy Metals	≤ 20 ppm
Absorbance Profile	Conforms to reference
Functional Performance (Enzymatic Assay)	Passes test

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