L-Cystine, specified according to the requirements of Ph.Eur.
L-Cystine, specified according to the requirements of Ph.Eur.
L-Cystine, specified according to the requirements of Ph.Eur.
L-Cystine, specified according to the requirements of Ph.Eur.
Thermo Scientific Chemicals

L-Cystine, specified according to the requirements of Ph.Eur.

CAS: 56-89-3 | C6H12N2O4S2 | 240.292 g/mol
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Catalog number 406160010
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Chemical Identifiers
CAS56-89-3
IUPAC Name(2R)-2-amino-3-{[(2R)-2-amino-2-carboxyethyl]disulfanyl}propanoic acid
Molecular FormulaC6H12N2O4S2
InChI KeyLEVWYRKDKASIDU-IMJSIDKUSA-N
SMILESN[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O
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SpecificationsSpecification SheetSpecification Sheet
Infrared spectrumConforms
Specific optical rotationOn dried substance
Iron (Fe)=<10 ppm
Appearance of solutionthan reference solution Y7
Ninhydrin-positive substancesPasses test
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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.
RUO – Research Use Only