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  5. L-Cystine, 99%, Thermo Scientific Chemicals

L-Cystine, 99%, Thermo Scientific Chemicals

Catalog Number 15189163
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Quantity:
100 g
500 g
2.5 kg
Packaging:
Plastic Bottle
56-89-3
C6H12N2O4S2
240.292
MFCD00064228
LEVWYRKDKASIDU-IMJSIDKUSA-N
l-cystine, cystine, l-dicysteine, l-cystin, cystine acid, cysteine disulfide, oxidized l-cysteine, beta,beta'-dithiodialanine, h-cys-oh 2, l-cysteine disulfide
67678
CHEBI:16283
(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
C(C(C(=O)O)N)SSCC(C(=O)O)N
56-89-3
C6H12N2O4S2
240.292
MFCD00064228
LEVWYRKDKASIDU-IMJSIDKUSA-N
l-cystine, cystine, l-dicysteine, l-cystin, cystine acid, cysteine disulfide, oxidized l-cysteine, beta,beta'-dithiodialanine, h-cys-oh 2, l-cysteine disulfide
67678
CHEBI:16283
(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
C(C(C(=O)O)N)SSCC(C(=O)O)N

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.

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
TRUSTED_SUSTAINABILITY
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.
Assay Percent Range 99%
Infrared Spectrum Authentic
Linear Formula [-SCH2CH(NH2)CO2H]2
Iron (Fe) 10ppm max.
Beilstein 04, 507
Loss on Drying 0.5 % max. (105°C, 3 hrs)
Merck Index 15, 2779
Packaging Plastic Bottle
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
Specific Rotation − 224.00
Sulfate 300ppm max.
Formula Weight 240.3
Percent Purity 99%
Sulfated Ash 0.1 % max.
Quantity 2.5 kg
Physical Form Fused Solid, Crystals or Chunks
Chemical Name or Material L-Cystine
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