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L-Cystine (White Crystals or Cryst. Powder), Fisher BioReagents

Product Code. 10204683
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100 g
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Product Code. 10204683 Supplier Fisher BioReagents Supplier No. BP377100
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Description

This amino acid is suitable for use in tissue culture systems requiring additives.
TRUSTED_SUSTAINABILITY

Specifications

Melting Point 260°C
Ammonium 0.02% max.
CAS 56-89-3
Arsenic (As) 1ppm max.
Color White
Heavy Metals (as Pb) 10ppm max.
Ignition Residue 0.1% max.
Identification Pass Test
Assay Percent Range 98.5 to 101.0 %
Loss on Drying 0.3% max.
Other Amino Acids Chromatographically not detectable
Molecular Formula C6H12N2O4S2
Packaging Glass Bottle
Specific Rotation -215 to -225° (+ or -)
Merck Index 15, 2779
State of Solution (%T) 98.0% min.
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
Alpha Vector Cystine
InChI Key LEVWYRKDKASIDU-IMJSIDKUSA-N
SMILES C(C(C(=O)O)N)SSCC(C(=O)O)N
IUPAC Name (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
Molecular Weight (g/mol) 240.292
Quantity 100 g
PubChem CID 67678
ChEBI CHEBI:16283
Formula Weight 240.29
Percent Purity 98.5 to 101.0%
Physical Form Powder
Chemical Name or Material L-Cystine
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