Description

(4R)-3,18-Diethyl-1,4,5,19,23,24-Hexahydro-2,7,13,17-Tetramethyl-1,19-Dioxo-21H-Biline-8,12-Dipropionic Acid Dimethyl Ester is a high-purity, synthetically derived biline derivative, a class of compounds structurally related to porphyrins and bile pigments. This compound serves as a critical advanced intermediate and research standard for the development of novel photosensitizers, diagnostic agents, and functional dyes. It is primarily needed by pharmaceutical R&D laboratories, specialty chemical manufacturers, and academic research institutions engaged in photodynamic therapy, bio-imaging, and materials science.

Application

• Pharmaceutical Research & Development: As a key synthetic precursor for novel photosensitizing agents used in photodynamic therapy (PDT) for cancer treatment.
• Diagnostic Agent Synthesis: Intermediate in the production of contrast agents and fluorescent probes for bio-imaging and medical diagnostics.
• Advanced Materials Science: Building block for organic semiconductors, light-harvesting complexes, and functional dyes with specific optical properties.
• Chemical Biology Studies: Used as a molecular tool to study heme metabolism, bilirubin pathways, and related enzymatic processes.
• Analytical Reference Standard: High-purity grade serves as a certified reference material (CRM) for quality control and method validation in analytical laboratories.
• Academic & Industrial Research: Fundamental research into the photophysical and chemical properties of tetrapyrrole derivatives.

Basic Information

Product Name	(4R)-3,18-Diethyl-1,4,5,19,23,24-Hexahydro-2,7,13,17-Tetramethyl-1,19-Dioxo-21H-Biline-8,12-Dipropionic Acid Dimethyl Ester
CAS No.	29789-73-9
Molecular Formula	C36H46N4O8
Molecular Weight	662.78 g/mol
Synonyms	Biline-8,12-dipropanoic acid, 3,18-diethyl-1,4,5,19,23,24-hexahydro-2,7,13,17-tetramethyl-1,19-dioxo-21H-, dimethyl ester, (4R)-; Dimethyl 3,18-diethyl-1,4,5,19,23,24-hexahydro-2,7,13,17-tetramethyl-1,19,21-trioxobiline-8,12-dipropionate; (4R)-Biline Derivative; Tetramethyl Biline Ester; CAS 29789-73-9
EINECS	Contact for details

Quality Control

Our (4R)-3,18-Diethyl-1,4,5,19,23,24-Hexahydro-2,7,13,17-Tetramethyl-1,19-Dioxo-21H-Biline-8,12-Dipropionic Acid Dimethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specification parameters are available upon request. We support cGMP and ISO 9001 compliant production for research and commercial scale.

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). For long-term storage, consider inert atmosphere conditions to prevent oxidation.

Specification

Item	Specification
Appearance	Reddish-brown to dark purple crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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