Description

Aspartic Acid, N,n-(Methylenedi-4,1-Cyclohexanediyl)Bis-, Tetraethyl Ester is a specialized diester derivative of aspartic acid, featuring a cyclohexyl-bridged structure. This compound serves as a high-value chemical intermediate and building block, prized for its ability to impart specific structural and functional properties in advanced material synthesis. It is primarily utilized by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, particularly those requiring rigid, lipophilic spacers or linkers.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Specialty Polymer & Resin Production: Acts as a monomer or cross-linking agent for creating polyamides, polyimides, and other high-performance polymers with enhanced thermal and chemical resistance.
• Liquid Crystal & OLED Material Research: Employed as a precursor in the development of organic electronic materials due to its molecular geometry and ester functionality.
• Cosmetic & Personal Care Ingredient Synthesis: Serves as an intermediate for producing specialty esters used in emollients and delivery systems.
• Adhesive & Coating Formulations: Incorporated as a modifier to improve flexibility, adhesion, and durability in high-end industrial coatings and adhesives.

Basic Information

Product Name	Aspartic Acid, N,n-(Methylenedi-4,1-Cyclohexanediyl)Bis-, Tetraethyl Ester
CAS No.	136210-30-5
Molecular Formula	C26H44N2O8
Molecular Weight	512.64 g/mol
Synonyms	1,1'-(Methylenedi-4,1-cyclohexanediyl)bis[3-(ethoxycarbonyl)-4-oxoazetidine-2-carboxylic acid ethyl ester]; Tetraethyl 1,1'-(methylenedi-4,1-cyclohexanediyl)di(4-oxoazetidine-2,3-dicarboxylate); Bis-Cyclohexyl Aspartic Acid Tetraethyl Ester; Aspartic Acid Derivative Tetraethyl Ester; N,N'-(Methylenedi-4,1-cyclohexanediyl)bis(aspartic acid) tetraethyl ester; Cyclohexyl-linked Aspartic Acid Tetraester; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of Aspartic Acid, N,n-(Methylenedi-4,1-Cyclohexanediyl)Bis-, Tetraethyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, GC for residual solvents, and NMR/IR for structural confirmation, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) detailing all test results are provided with every shipment. We operate under a cGMP-compliant quality system suitable for pharmaceutical intermediate 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). This product is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed after opening to minimize exposure to atmospheric humidity. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 1.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines

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