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D-Cystine, 98%

Catalog No. AAL1377203
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Catalog No. AAL1377203 Supplier Thermo Scientific Chemicals Supplier No. L1377203
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Description

CAS: 349-46-2 | C6H12N2O4S2 | 240.29 g/mol

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.

Chemical Identifiers

CAS 349-46-2
Molecular Formula C6H12N2O4S2
Molecular Weight (g/mol) 240.29
MDL Number MFCD00002610
InChI Key LEVWYRKDKASIDU-IMJSIDKUSA-N
Synonym d-cystine, 2-amino-3-2s-2-amino-2-carboxyethyl disulfanyl propanoic acid
PubChem CID 6857538
ChEBI CHEBI:35494
IUPAC Name (2S)-2-amino-3-[[(2S)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
SMILES N[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O

Specifications

Melting Point ∽250°C (decomposition)
Odor Odorless
Quantity 1 g
Beilstein 1728093
Merck Index 14,2782
Optical Rotation +219° (c=1 in 1N HCl)
Formula Weight 240.3
Percent Purity 98%
Chemical Name or Material D-Cystine

Safety and Handling

Hazard Category H302-H315-H320-H335
Precautionary Statement P261-P264b-P270-P271-P280-P301+P312-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P501c
EINECSNumber 206-486-2
TSCA No
Recommended Storage Ambient temperatures

RUO – Research Use Only