Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

L-Cystine, 99%

Catalog No. AAA1376218
Change view
Click to view available options
Quantity:
50 g
250 g
1000 g
3 product options available for selection
Product selection table with 3 available options. Use arrow keys to navigate and Enter or Space to select.
Catalog No. Quantity
AAA1376218 50 g
AAA1376230 250 g
AAA137620B 1000 g
Use arrow keys to navigate between rows. Press Enter or Space to select a product option. 3 options available.
3 options
Catalog No. AAA1376218 Supplier Thermo Scientific Chemicals Supplier No. A1376218
Only null left
Add to Cart

CAS: 56-89-3 | C6H12N2O4S2 | 240.292 g/mol

L-Cystine is used as an antioxidant, protecting tissues against radiation and pollution. It finds application in protein synthesis. It is required for utilization of vitamin B6 and is useful in healing burns and wounds. It is also is required by certain malignant cell lines in the culture medium as well as for the growth of certain micro-organisms. It is useful in the stimulation of hematopoietic system and promotes the formation of white and red blood cells. It is an active ingredient in medications used to treat dermatitis.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Solubility
Soluble in water.

Notes
Incompatible with strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 56-89-3
Molecular Formula C6H12N2O4S2
Molecular Weight (g/mol) 240.292
MDL Number MFCD00064228
InChI Key LEVWYRKDKASIDU-IMJSIDKUSA-N
Synonym l-cystine, cystine, l-dicysteine, l-cystin, cystine acid, cysteine disulfide, oxidized l-cysteine, beta,beta'-dithiodialanine, h-cys-oh 2, l-cysteine disulfide
PubChem CID 67678
ChEBI CHEBI:16283
IUPAC Name (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
SMILES C(C(C(=O)O)N)SSCC(C(=O)O)N

Specifications

Melting Point >240°C (decomposition)
Assay Percent Range 99%
Beilstein 1728094
Merck Index 14,2782
Solubility Information Soluble in water.
Density 1.68
Quantity 50 g
Formula Weight 240.3
Percent Purity 99%
Chemical Name or Material L-Cystine
EINECSNumber 200-296-3
RTECSNumber HA2690000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only

Product Title
Select an issue

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.