Description

2' 7'-Bis(3-Carboxypropyl)-5(6)-Carboxy- is a high-purity, multi-functional carboxylic acid derivative of significant interest in advanced organic synthesis. This compound serves as a versatile and critical building block for the development of complex molecules, particularly in pharmaceutical and specialty chemical research. It is essential for R&D chemists and process development scientists working in drug discovery, peptide mimetics, and polymer chemistry, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Peptide Mimetic Design: Used to introduce carboxylic acid functionalities and spacer arms in the creation of peptidomimetics and enzyme inhibitors.
• Linker Chemistry: Serves as a functionalized linker or spacer molecule in bioconjugation and the development of antibody-drug conjugates (ADCs).
• Polymer Modification: Employed as a monomer or cross-linking agent to introduce carboxyl groups into specialty polymers and hydrogels.
• Chelating Agent Synthesis: Building block for the preparation of multidentate ligands and chelating agents for metal catalysis.
• Material Science Research: Utilized in surface functionalization and the creation of advanced organic materials with tailored properties.

Basic Information

Product Name	2' 7'-Bis(3-Carboxypropyl)-5(6)-Carboxy-
CAS No.	202872-98-8
Molecular Formula	C15H22O8
Molecular Weight	330.33 g/mol
Synonyms	5(6)-Carboxy-2',7'-bis(3-carboxypropyl)fluorescein; 2',7'-Bis(3-carboxypropyl)-5(6)-carboxyfluorescein; BCECF acid; BCECF; 2',7'-Bis(carboxypropyl)-5(6)-carboxyfluorescein; 2',7'-Bis(4-carboxybutyl)-5(6)-carboxyfluorescein (common misnomer); 2',7'-Bis(3-carboxypropyl)-5-carboxyfluorescein (positional isomer); Fluorescein-based polycarboxylic acid derivative
EINECS	Contact for details

Quality Control

Our 2' 7'-Bis(3-Carboxypropyl)-5(6)-Carboxy- is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under anhydrous conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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