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Catalog Number:
29944
CAS Number:
56-89-3
L-Cystine
Grade:
FCC IX, non-animal source
Purity:
98.5 - 101.5% (Assay)
Synonym(s):
(H-L-Cys-OH)2, (-)-3,3'-Dithiobis(2-aminopropionic acid)
Documents
$30.00 /25G
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Product Information

L-Cystine is a naturally occurring amino acid that plays a crucial role in various biological processes. As a dimeric form of cysteine, it is characterized by its disulfide bond, which contributes to protein structure and stability. This compound is widely recognized for its antioxidant properties, making it essential in the synthesis of glutathione, a key antioxidant in the body. L-Cystine is commonly used in the pharmaceutical and cosmetic industries, where it serves as a dietary supplement to support hair, skin, and nail health. Additionally, it is utilized in cell culture media to promote cell growth and viability, highlighting its importance in biotechnological applications.

Researchers and industry professionals appreciate L-Cystine for its ability to enhance the efficacy of formulations, particularly in products aimed at improving skin elasticity and reducing oxidative stress. Its unique properties allow for improved stability and performance in various applications, making it a valuable ingredient in health and wellness products. With its multifaceted uses, L-Cystine stands out as a versatile compound that supports both scientific research and consumer health.

Synonyms
(H-L-Cys-OH)2, (-)-3,3'-Dithiobis(2-aminopropionic acid)
CAS Number
56-89-3
Purity
98.5 - 101.5% (Assay)
Grade
FCC IX, non-animal source
Molecular Formula
C6H12N2O4S2
Molecular Weight
240.3
MDL Number
MFCD00064228
PubChem ID
595
Melting Point
> 240 ?C (Lit.)
Appearance
White crystals or crystalline powder
Optical Rotation
[a]D20 = -215 to -225 °
Conditions
Store at RT
General Information
Synonyms
(H-L-Cys-OH)2, (-)-3,3'-Dithiobis(2-aminopropionic acid)
CAS Number
56-89-3
Purity
98.5 - 101.5% (Assay)
Grade
FCC IX, non-animal source
Molecular Formula
C6H12N2O4S2
Molecular Weight
240.3
MDL Number
MFCD00064228
PubChem ID
595
Melting Point
> 240 ?C (Lit.)
Appearance
White crystals or crystalline powder
Optical Rotation
[a]D20 = -215 to -225 °
Conditions
Store at RT
Properties
Additional property information coming soon!
-
Safety and Regulations
Hazmat
No
Antibiotic
No
DEA-regulated
No
Warnings
-
Applications

L-Cystine is widely utilized in research focused on:

  • Antioxidant Production: L-Cystine is a precursor to glutathione, a powerful antioxidant. It is used in supplements aimed at enhancing cellular protection against oxidative stress, particularly in health and wellness industries.
  • Pharmaceutical Formulations: In the pharmaceutical sector, L-Cystine is incorporated into formulations for treating conditions related to cysteine deficiency, such as certain metabolic disorders, offering a targeted approach to patient care.
  • Cosmetic Applications: The cosmetic industry uses L-Cystine in skin and hair care products due to its potential to promote keratin production, improving the strength and appearance of hair and skin.
  • Food Industry: It serves as a dietary supplement in food products, enhancing nutritional value and supporting overall health, particularly in protein-rich foods aimed at athletes and fitness enthusiasts.
  • Research in Cellular Biology: L-Cystine is employed in cell culture media to support the growth of various cell types, facilitating research in cellular biology and biochemistry, which is crucial for developing new therapies.

Citations