10-(Carboxymethylaminocarbonyl)-3, 7-bis (Dimethylamino) Phenothiazine Sodium Salt

Product Overview

10-(Carboxymethylaminocarbonyl)-3,7-bis(dimethylamino)phenothiazine sodium salt (DA-67, CAS: 115871-18-6) is a highly sensitive chromogenic substrate dedicated to peroxidase (POD), widely used in clinical biochemistry assays.

Synthesized via proprietary in-house technology, it offers ≥98% purity and excellent thermal stability. The colored product has strong absorbance at 666 nm with extremely low background interference, making it ideal for H₂O₂-based colorimetric assays such as glucose, uric acid, and cholesterol. It can directly replace traditional chromogens to improve assay sensitivity and stability.

Key Features

High Purity & Excellent Thermal Stability

Proprietary synthesis technology ensures ≥98% purity and excellent thermal stability, reducing background interference and improving result accuracy.

Large-Scale Production Capacity

Large single-batch production scale with controlled batch consistency, ensuring stable supply for large-scale reagent manufacturing.

Rigorous Quality Control System

Comprehensive quality control processes with end-to-end quality assurance; every batch undergoes strict inspection.

Dual-Quality Assurance

All products undergo both QC inspection and biochemical performance evaluation, ensuring reliable performance in real-world applications.

Responsive Technical Support

In-house R&D team provides timely, professional technical support and customized services.

Applications

Clinical Biochemical Diagnostics

As a highly sensitive chromogenic substrate for peroxidase (POD), it is used in colorimetric assays for glucose, uric acid, cholesterol, triglycerides, etc. Compatible with fully automated clinical chemistry analyzers, offering low background and high sensitivity.

Enzymatic & Bioassays

Used for peroxidase activity determination, enzyme kinetic analysis, and development of various biochemical assays based on H₂O₂-generating systems.

Diagnostic Reagent Manufacturing

Provides high-purity raw materials with batch-to-batch stability for in vitro diagnostic reagent manufacturers, supporting large-scale production and quality control of clinical chemistry kits for glucose, lipids, and more.

Specification

Item	Specification
Product Name	10-(Carboxymethylaminocarbonyl)-3,7-bis(dimethylamino)phenothiazine sodium salt (DA-67)
Catalog No.	HH3701
CAS No.	115871-18-6
Molecular Formula	C₁₉H₂₁N₄NaO₃S
Molecular Weight	410.47
Purity	≥98%（HPLC）
Appearance	White, blue or green crystalline powder
λmax	666 nm (Colorimetric wavelength)
Storage	Short-term storage: 2-8°C, sealed, dry, and protected from light. For long-term storage, it is recommended to store at -25 to -15°C, also protected from light.
Product Line	Enzymatic research and drug screening substrates (chromogenic/fluorogenic)

Performance Data

Purity Verified

The HPLC chromatogram exhibits a single main peak with purity ≥99%, significantly outperforming competing products, and the product effectively lowers detection background noise.