Description

Darrow Red Certified CAS NO 15391-59-0 is a high-purity, certified reference material essential for analytical and research applications. Its primary value lies in providing a reliable standard for instrument calibration, method validation, and quality control procedures. This product is critical for professionals in pharmaceutical research, analytical chemistry, and quality assurance laboratories who require traceable and verifiable materials to ensure data integrity and regulatory compliance.

Application

• Analytical Reference Standard: Used as a primary standard for calibrating spectrophotometers, HPLC, and other analytical instruments.
• Pharmaceutical Research: Serves as a certified material for method development and validation in drug discovery and formulation studies.
• Quality Control & Assurance: Provides a benchmark for testing the purity and identity of commercial batches in manufacturing.
• Forensic and Diagnostic Analysis: Employed in specialized testing protocols where precise colorimetric or chromatographic reference is required.
• Academic and Industrial R&D: Supports experimental work in chemistry and material science as a characterized chemical entity.
• Regulatory Compliance: Aids in meeting documentation requirements for agencies by providing traceable certified materials.

Basic Information

Product Name	Darrow Red Certified CAS NO 15391-59-0
CAS No.	15391-59-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Darrow's Red; Pyronin B; C.I. 45010; Basic Red 12; 3,6-Bis(diethylamino)xanthylium chloride; 9-(2,4-Dimethylphenyl)-3,6-bis(ethylamino)-2,7-dimethylxanthylium chloride; Pyronine B
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch of Darrow Red Certified is produced and analyzed under strict controls to guarantee identity, purity, and stability. Certificates of Analysis (COA) are provided, detailing comprehensive testing results. We adhere to relevant quality management systems to support applications in regulated environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). Ensure the storage area is well-ventilated and away from incompatible materials.

Specification

Item	Specification
Appearance	Dark red to violet powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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