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Catalog Number:
00088
CAS Number:
56-89-3
L-Cystine
Purity:
≥ 98% (Assay)
Synonym(s):
(H-L-Cys-OH)2, (-)-3,3'-Dithiobis(2-aminopropionic acid)
Documents
$18.50 /25G
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Product Information

L-Cystine is a naturally occurring amino acid that plays a crucial role in various biological processes, particularly in protein synthesis and cellular metabolism. As a vital component of keratin, L-Cystine is essential for maintaining healthy skin, hair, and nails, making it a popular ingredient in cosmetic formulations and dietary supplements aimed at enhancing beauty and overall health. Its antioxidant properties also contribute to cellular protection, which is beneficial in combating oxidative stress and supporting immune function.

In the pharmaceutical and research sectors, L-Cystine is utilized in the synthesis of peptides and as a reducing agent in various biochemical applications. Its ability to form disulfide bonds is particularly valuable in protein chemistry, aiding in the stabilization of protein structures. Additionally, L-Cystine has shown potential in therapeutic applications for conditions such as cystinuria, where it helps in managing cystine levels in the body. With its multifaceted applications and health benefits, L-Cystine stands out as a versatile compound for both industrial and research purposes.

Synonyms
(H-L-Cys-OH)2, (-)-3,3'-Dithiobis(2-aminopropionic acid)
CAS Number
56-89-3
Purity
≥ 98% (Assay)
Molecular Formula
C6H12N2O4S2
Molecular Weight
240.3
MDL Number
MFCD00064228
PubChem ID
595
Melting Point
> 240 ?C (dec.)
Appearance
White crystals or crystalline powder
Optical Rotation
[a]D20 = -215 to -225 º
Conditions
Store at RT
General Information
Synonyms
(H-L-Cys-OH)2, (-)-3,3'-Dithiobis(2-aminopropionic acid)
CAS Number
56-89-3
Purity
≥ 98% (Assay)
Molecular Formula
C6H12N2O4S2
Molecular Weight
240.3
MDL Number
MFCD00064228
PubChem ID
595
Melting Point
> 240 ?C (dec.)
Appearance
White crystals or crystalline powder
Optical Rotation
[a]D20 = -215 to -225 º
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

L-Cystine is widely utilized in research focused on:

  • Protein Structure Studies: L-Cystine plays a crucial role in stabilizing protein structures through disulfide bonds, making it essential for researchers studying protein folding and stability.
  • Antioxidant Applications: As a precursor to glutathione, L-Cystine is used in formulations aimed at enhancing cellular antioxidant defenses, beneficial in fields like nutrition and health supplements.
  • Pharmaceutical Development: Its properties are leveraged in drug formulations to improve bioavailability and efficacy, particularly in treatments targeting oxidative stress-related diseases.
  • Cosmetic Industry: L-Cystine is incorporated into skincare products for its potential to promote healthy skin and hair by supporting keratin production, appealing to beauty and personal care sectors.
  • Research on Genetic Disorders: It is studied for its role in certain genetic conditions, helping researchers understand cysteine metabolism and its implications in diseases like cystinuria.

Citations