30200
L-Cystine
≥99.7% (TLC)
Synonym(s):
(R,R)-3,3′-Dithiobis(2-aminopropionic acid)
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About This Item
Product Name
L-Cystine, ≥99.7% (TLC)
Quality Level
assay
≥99.7% (TLC)
form
powder or crystals
optical activity
[α]20/D −219±5°, c = 1% in 1 M HCl
ign. residue
≤0.1% (as SO4)
loss
≤0.1% loss on drying
color
white
mp
>240 °C (dec.) (lit.)
solubility
1 M HCl: 0.5 g/10 mL, clear, colorless
anion traces
chloride (Cl-): ≤500 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤6 mg/kg, Fe: ≤10 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Na: ≤150 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg
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-/m0/s1
InChI key
LEVWYRKDKASIDU-IMJSIDKUSA-N
Application
Biochem/physiol Actions
Other Notes
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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