L-Cystine, produced by Wacker Chemie AG, Burghausen, Germany, >=98.5%

Code: 779539-100G D2-231

Application

L-Cystine can be used as a starting material for the synthesis of d-biotin, aromatic-bridged cystine cyclic peptides (cystinophanes), chiral imidazolidine disulfi...


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€61.38 100G
€75.50 inc. VAT
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Application

L-Cystine can be used as a starting material for the synthesis of d-biotin, aromatic-bridged cystine cyclic peptides (cystinophanes), chiral imidazolidine disulfides and biodegradable PEGylated gadolinium-diethylenetriamine pentaacetic acid (Gd-DTPA) L-cystine copolymers.

General description

L-Cystine is an amino acid mainly found in the keratin of hair.

This product is supplied from Wacker FERMOPURE® material, but is sold for R&D use only, not for drug, household or other uses.

Legal Information

FERMOPURE is a registered trademark of Wacker Chemie AG

anion tracessulfate (SO42-): ≤300 ppm, chloride (Cl-): ≤200 ppm
assay≥98.5%
cation tracesAs: ≤1 ppm, Pb: ≤5 ppm, Fe: ≤10 ppm
formpowder
gradeproduced by Wacker Chemie AG, Burghausen, Germany
ign. residue≤0.1%
impurities≤0.02% ammonium, ≤0.2% ninhidrin positive substances (each), ≤10 ppm heavy metals
InChI keyLEVWYRKDKASIDU-IMJSIDKUSA-N
InChI1S/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
loss≤0.2% loss on drying
mp>240 °C (dec.) (lit.)
optical activity[α]/D -224 to -218°
Quality Level200
reaction suitabilityreaction type: solution phase peptide synthesis
SMILES stringN[C@@H](CSSC[C@H](N)C(O)=O)C(O)=O
suitabilityclear, colorless for appearance of solution
Cas Number56-89-3
This product has met the following criteria to qualify for the following awards:



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