Description

6'-(Diethylamino)-3'-Methyl-3-Oxo-2'-(Phenylamino)Spiro[Isobenzofuran-1(3H),9'-[9H]Xanthene]-5-Carboxylic Acid Ethyl Ester is a sophisticated spirocyclic organic compound belonging to the xanthene dye family, valued for its unique photophysical properties. This high-purity intermediate is critical for the synthesis of advanced functional dyes and fluorescent probes used in analytical and life sciences. It is primarily sought by research institutions, fine chemical manufacturers, and companies developing optical sensors and bio-imaging agents.

Application

• Key Intermediate for Fluorescent Dyes: Synthesis of rhodamine and fluorescein derivatives for labeling and staining.
• Development of Molecular Probes: Creation of sensors for detecting metal ions, pH changes, or specific biomolecules.
• Advanced Material Research: Component in the development of organic light-emitting diodes (OLEDs) and photochromic materials.
• Analytical Chemistry Reagents: Used in the formulation of reagents for fluorescence-based assays and detection kits.
• Life Science & Biomedical Research: Building block for probes used in cell imaging, flow cytometry, and diagnostic applications.

Basic Information

Product Name	6'-(Diethylamino)-3'-Methyl-3-Oxo-2'-(Phenylamino)Spiro[Isobenzofuran-1(3H),9'-[9H]Xanthene]-5-Carboxylic Acid Ethyl Ester
CAS No.	70815-08-6
Molecular Formula	C34H30N2O5
Molecular Weight	546.62 g/mol
Synonyms	Ethyl 6'-(Diethylamino)-3'-methyl-3-oxo-2'-(phenylamino)spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxylate; Spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-5-carboxylic Acid Derivative; Rhodamine B Lactam Derivative; Fluorescent Xanthene Intermediate; CAS 70815-08-6
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and manufacturing requirements.

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 compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); ensure the container is kept sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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