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Catalog Number:
02872
CAS Number:
349-46-2
D-Cystine
Purity:
≥ 99% (Assay)
Synonym(s):
(H-D-Cys-OH)2, (S,S-3,3'-Dithio-bis(2-aminopropionic acid)
Documents
$18.53 /1G
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Product Information

D-Cystine is a naturally occurring amino acid that plays a crucial role in protein synthesis and cellular function. As a disulfide-linked dimer of cysteine, D-Cystine is essential for maintaining the structural integrity of proteins, particularly in the formation of keratin, which is vital for hair, skin, and nail health. Its unique properties make it a valuable ingredient in various applications, including cosmetics, pharmaceuticals, and dietary supplements. In the cosmetic industry, D-Cystine is often utilized for its antioxidant properties, promoting skin elasticity and reducing the appearance of aging. In pharmaceuticals, it is explored for its potential therapeutic effects in treating conditions related to oxidative stress and inflammation. Researchers also value D-Cystine for its role in redox biology, making it a significant compound in studies related to cellular signaling and metabolic pathways.

Synonyms
(H-D-Cys-OH)2, (S,S-3,3'-Dithio-bis(2-aminopropionic acid)
CAS Number
349-46-2
Purity
≥ 99% (Assay)
Molecular Formula
C6H12N2O4S2
Molecular Weight
240.3
MDL Number
MFCD00002610
PubChem ID
595
Melting Point
265 °C (dec.)
Appearance
White crystals
Optical Rotation
[a]20D = 220 ± 2 ° (C=1 in 1N HCl)
Conditions
Store at RT
General Information
Synonyms
(H-D-Cys-OH)2, (S,S-3,3'-Dithio-bis(2-aminopropionic acid)
CAS Number
349-46-2
Purity
≥ 99% (Assay)
Molecular Formula
C6H12N2O4S2
Molecular Weight
240.3
MDL Number
MFCD00002610
PubChem ID
595
Melting Point
265 °C (dec.)
Appearance
White crystals
Optical Rotation
[a]20D = 220 ± 2 ° (C=1 in 1N HCl)
Conditions
Store at RT
Properties
Additional property information coming soon!
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Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

D-Cystine is widely utilized in research focused on:

  • Protein Structure Studies: D-Cystine plays a crucial role in stabilizing protein structures through disulfide bond formation, making it essential for researchers studying protein folding and stability.
  • Antioxidant Applications: This compound is known for its antioxidant properties, which help in protecting cells from oxidative stress. It is often used in formulations aimed at enhancing cellular health.
  • Pharmaceutical Development: In the pharmaceutical industry, D-Cystine is explored for its potential in drug formulations, particularly in treatments targeting conditions related to cysteine deficiency.
  • Cosmetic Products: Due to its skin-repairing properties, D-Cystine is incorporated into various cosmetic formulations, helping to improve skin texture and reduce signs of aging.
  • Biochemical Research: Researchers utilize D-Cystine in biochemical assays to study enzyme activity and metabolic pathways, providing insights into cellular processes and disease mechanisms.

Citations