Description

N,N'-Di-D-Gluconoyl-L-Cystine is a specialized, high-purity derivative of the amino acid L-cystine, modified with D-gluconic acid moieties. This compound is valued for its unique chelating and stabilizing properties, making it a critical intermediate in advanced synthesis and formulation. It is primarily sought by manufacturers in the pharmaceutical, cosmetic, and high-end nutraceutical industries for applications requiring biocompatible metal ion management and enhanced stability.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those requiring targeted delivery or specific metal-chelating functionalities.
• Cosmetic & Personal Care Actives: Serves as a skin-conditioning agent and stabilizer in anti-aging serums, creams, and lotions due to its antioxidant and moisturizing properties.
• Nutraceutical Formulations: Incorporated into advanced dietary supplements for its potential role in supporting cellular antioxidant defenses and mineral bioavailability.
• Biochemical Research: Employed as a standard or reagent in studies involving thiol-disulfide chemistry, glycoconjugate synthesis, and chelation therapy mechanisms.
• Specialty Chemical Synthesis: Acts as a key building block for creating novel surfactants, polymers, and ligands with enhanced biocompatibility.

Basic Information

Product Name	N,N'-Di-D-Gluconoyl-L-Cystine
CAS No.	94231-92-2
Molecular Formula	C18H30N2O16S2
Molecular Weight	594.56 g/mol
Synonyms	L-Cystine, N,N'-bis(D-gluconoyl)-; Bis(D-gluconoyl)-L-cystine; D-Gluconic acid, cyclic diester with L-cystine; N,N'-Digluconoylcystine; Gluconoyl cystine; Cystine digluconate; Antioxidant peptide derivative GC-2
EINECS	Contact for details

Quality Control

Our N,N'-Di-D-Gluconoyl-L-Cystine is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and tests for residual solvents and heavy metals. We provide Certificates of Analysis (COA) with every shipment to ensure traceability and compliance with relevant standards for pharmaceutical and cosmetic ingredient use.

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 material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Specific Rotation	Contact for details

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