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L-Cystine, 99%

Catalog No. AC111800025
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Quantity:
2.5 kg
Packaging:
Plastic Bottle
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Catalog No. Quantity Packaging
AC111800025 2.5 kg Plastic Bottle
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Catalog No. AC111800025 Supplier Thermo Scientific Chemicals Supplier No. 111800025
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Description

L-Cystine, CAS # 56-89-3 is the left-handed enantiomer of the sulphur-containing amino acid, cystine, purified for use in molecular biology and analytical chemistry applications. | CAS: 56-89-3 | C6H12N2O4S2 | 240.292 g/mol

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

General description

  • L-Cystine is a derivative of the amino acid, cysteine
  • Cystine is not considered one of the twenty common amino acids, but it has a role as a metabolite in some species
  • May act as an antioxidant in form and reduce aging, inflammation, and tissue damage

Applications

  • Used as an additive to cell culture media
  • Intended for biochemistry applications such as HPLC

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 260.0°C to 261.0°C
Ammonium 200ppm max.
Color White to Beige
Chloride 200ppm max.
Chlorine (Cl) 200ppm max.
Heavy Metals (as Pb) 10ppm max.
Infrared Spectrum Authentic
Iron (Fe) 10ppm max.
Loss on Drying 0.5 % max. (105°C, 3 hrs)
Assay Percent Range 99%
Packaging Plastic Bottle
Linear Formula [-SCH2CH(NH2)CO2H]2
Beilstein 04, 507
Specific Rotation − 224.00
Sulfate 300ppm max.
Merck Index 15, 2779
Sulfated Ash 0.1 % max.
Solubility Information Solubility in water: 0.112g/l(25°C), 24mg/100mL(50°C). Other solubilities: 52 mg/100mL water (75°C),114 mg/100mL water(100°C), soluble in aq. solutions <ph 2, soluble in mineral acids, alkalis, ammonium hydrox, ide,, insoluble in ethanol, diethyl ether, b
Quantity 2.5 kg
Formula Weight 240.3
Percent Purity 99%
Physical Form Fused Solid, Crystals or Chunks
Chemical Name or Material L-Cystine
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Safety and Handling

Hazard Statement GHS H Statement:
Causes skin irritation.
Causes serious eye irritation.
Harmful if swallowed.
May cause respiratory irritation.
Precautionary Statement GHS P Statement:
Avoid breathing dust/fume/gas/mist/vapors/spray.
IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.
IF ON SKIN: Wash with plenty of soap and water.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.

RUO – Research Use Only