Cysteine and derivatives for biochemistry, cell culture and polypeptide synthesis.
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L-Cysteine methyl ester hydrochloride

  General Details CAS # 18598-63-5 SMILES COC(=O)C(CS)N.Cl Chemical Purity Assay Greater or equal to 98% Molecular Formula C4H9NO2S·HCl Chemical Formula Formula Weight Reaction None Note None Physical Properties Purity...
$21.30
Chem-ImpexChem-impex Achived

S-4-Methoxyltrityl-L-cysteine

  General Details CAS # 177582-20-6 SMILES COC1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)SCC(C(=O)O)N Chemical Purity Purity by HPLC Greater or equal to 97% Molecular Formula C23H23NO3S Chemical Formula Formula Weight Reaction None Note None Physical...
$34.90
Chem-ImpexChem-impex Achived

Fmoc-S-xanthyl-L-cysteine

  General Details CAS # 186829-25-4 SMILES C1=CC=C2C(=C1)C(C3=CC=CC=C32)COC(=O)NC(CSC4C5=CC=CC=C5OC6=CC=CC=C46)C(=O)O Chemical Purity Purity by HPLC Greater or equal to 98% Molecular Formula C31H25NO5S Chemical Formula Formula Weight Reaction None Note None Physical...
$243.10
Chem-ImpexChem-impex Achived

Fmoc-S-acetamidomethyl-L-cysteine N-hydroxysuccinimide ester

  General Details CAS # 182410-75-9 SMILES CC(=O)NCSCC(C(=O)ON1C(=O)CCC1=O)NC(=O)OCC2C3=CC=CC=C3C4=CC=CC=C24 Chemical Purity Purity by HPLC Greater or equal to 98% Molecular Formula C25H25N3O7S Chemical Formula Formula Weight Reaction None Note None Physical...
$102.50
Chem-ImpexChem-impex Achived

Fmoc-S-tert-butoxycarbonylmethyl-L-cysteine

  General Details CAS # 269730-62-3 SMILES CC(C)(C)OC(=O)CSCC(C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13 Chemical Purity Purity by HPLC Greater or equal to 97% Molecular Formula C24H27NO6S Chemical Formula Formula Weight Reaction None Note None Physical...
$231.80
Chem-ImpexChem-impex Achived

Fmoc-S-4-methyltrityl-L-cysteine

  General Details CAS # 269067-38-1 SMILES CC1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)SCC(C(=O)O)NC(=O)OCC4C5=CC=CC=C5C6=CC=CC=C46 Chemical Purity Purity by HPLC Greater or equal to 98% Molecular Formula C38H33NO4S Chemical Formula Formula Weight Reaction None Note None Physical...
$32.10