Description

Dl-Homocystine CAS NO 870-93-9 is a sulfur-containing amino acid derivative formed by the oxidation of two homocysteine molecules. This compound serves as a critical biochemical intermediate and a valuable reference standard in life science research and pharmaceutical development. It is primarily utilized by researchers and manufacturers in the pharmaceutical, diagnostic, and nutraceutical industries for metabolic studies, analytical method development, and as a precursor in synthesis.

Application

• Pharmaceutical Research & Development: Used as a key intermediate and reference standard in metabolic pathway studies, particularly related to homocysteine metabolism and cardiovascular health.
• Diagnostic Reagent Manufacturing: Serves as a critical raw material and calibrator in the production of clinical diagnostic kits for measuring homocysteine levels in blood plasma.
• Biochemical Synthesis: Acts as a building block or precursor in the synthesis of more complex sulfur-containing amino acids, peptides, and related bioactive compounds.
• Nutritional Science Research: Employed in studies investigating sulfur amino acid metabolism, methylation cycles, and their impact on human health and disease.
• Analytical Chemistry: Used as a high-purity standard for method validation and quality control in HPLC, LC-MS, and other chromatographic analyses within quality control laboratories.

Basic Information

Product Name	Dl-Homocystine
CAS No.	870-93-9
Molecular Formula	C8H16N2O4S2
Molecular Weight	268.35 g/mol
Synonyms	DL-Homocystine; (±)-Homocystine; Homocystine (DL-Form); 4,4'-Dithiobis(2-aminobutanoic acid); 2-Amino-4-[(2-amino-2-carboxyethyl)disulfanyl]butanoic acid; Hcy2; NSC 75609; L-Homocystine (racemic mixture)
EINECS	212-798-1

Quality Control

Our Dl-Homocystine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed results from HPLC, IR spectroscopy, and other relevant pharmacopeial methods. Our quality commitment aligns with the standards expected for research and pharmaceutical-grade materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept in a desiccated environment to maintain stability and purity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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