285463

D-Cystine

98%, for peptide synthesis

• Synonym(s): (S,S)-3,3′-Dithiobis(2-aminopropionic acid)
• Linear Formula: [-SCH₂CH(NH₂)CO₂H]₂
• CAS Number: 349-46-2
• Molecular Weight: 240.30
• Beilstein: 1728093
• EC Number: 206-486-2
• MDL number: MFCD00002610
• UNSPSC Code: 12352209
• PubChem Substance ID: 24857190
• NACRES: NA.22

Properties

• product name: D-Cystine, 98%
• Quality Level: 100
• Assay: 98%
• optical activity: [α]20/D +212°, c = 1 in 1 M HCl
• reaction suitability: reaction type: solution phase peptide synthesis
• mp: 265 °C (dec.) (lit.)
• application(s): peptide synthesis
• SMILES string: N[C@H](CSSC[C@@H](N)C(O)=O)C(O)=O
• InChI: 1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m1/s1
• InChI key: LEVWYRKDKASIDU-QWWZWVQMSA-N

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves