779539
L-Cystine
produced by Wacker Chemie AG, Burghausen, Germany, ≥98.5%
Synonym(s):
(R,R)-3,3′-Dithiobis(2-aminopropionicacid)
About This Item
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grade
produced by Wacker Chemie AG, Burghausen, Germany
Assay
≥98.5%
form
powder
optical activity
[α]/D -224 to -218°
reaction suitability
reaction type: solution phase peptide synthesis
impurities
≤0.02% ammonium
≤0.2% ninhidrin positive substances (each)
≤10 ppm heavy metals
ign. residue
≤0.1%
loss
≤0.2% loss on drying
mp
>240 °C (dec.) (lit.)
anion traces
chloride (Cl-): ≤200 ppm
sulfate (SO42-): ≤300 ppm
cation traces
As: ≤1 ppm
Fe: ≤10 ppm
Pb: ≤5 ppm
suitability
clear, colorless for appearance of solution
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
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General description
Application
Legal Information
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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