8.52007

Fmoc-Cys(tBu)-OH

Novabiochem^®

• Sinônimo(s): Fmoc-Cys(tBu)-OH, N-α-Fmoc-S-t.-butyl-L-cysteine
• Fórmula empírica (Notação de Hill): C₂₂H₂₅NO₄S
• Número CAS: 67436-13-9
• Peso molecular: 399.50
• Número MDL: MFCD00037130
• Código UNSPSC: 12352209
• NACRES: NA.22

Propriedades

• Nível de qualidade: 200
• linha de produto: Novabiochem^®
• Ensaio: ≥97.0% (acidimetric); ≥98% (TLC); ≥98.0% (HPLC)
• Formulário: powder
• adequação da reação: reaction type: Fmoc solid-phase peptide synthesis
• fabricante/nome comercial: Novabiochem^®
• pf: 133-136 °C
• aplicação(ões): peptide synthesis
• grupo funcional: thiol
• temperatura de armazenamento: 2-30°C
• cadeia de caracteres SMILES: S(C(C)(C)C)CC(NC(=O)OCC1c2c(cccc2)c3c1cccc3)C(=O)O
• InChI: 1S/C22H25NO4S/c1-22(2,3)28-13-19(20(24)25)23-21(26)27-12-18-16-10-6-4-8-14(16)15-9-5-7-11-17(15)18/h4-11,18-19H,12-13H2,1-3H3,(H,23,26)(H,24,25)
• chave InChI: IXAYZHCPEYTWHW-UHFFFAOYSA-N

Descrição

Descrição geral

The side-chain tBu group is stable to TFA and iodine oxidation. Treatment with MeSiCl₃/PhSOPh removes t-Bu and cyclizes in one step without scrambling existing disulphide bonds. Removed with Hg(II) to give cysteinyl peptides.

Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Fmoc SPPS
Fmoc SPPS of Cysteine-Containing Peptides

Literature references

^[1] S. N. McCurdy (1989) Pept. Res., 2, 147.

Ligação

Replaces: 04-12-1016

Nota de análise

Colour (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Enantiomeric purity: ≥ 99.5 % (a/a)
Purity (TLC(011A)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Assay (HPLC, area%): ≥ 98.0 % (a/a)
Solubility (1 mmole in 2 ml DMF): clearly soluble
Assay (acidimetric): ≥ 97.0 %
Water (K. F.): ≤ 1.00 %

To see the solvent systems used for TLC of Novabiochem^® products please click here.

Informações legais

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

Informações de segurança

• Código de classe de armazenamento: 11 - Combustible Solids
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable