8.52022
Fmoc-Cys(tButhio)-OH
Novabiochem®
别名:
Fmoc-Cys(tButhio)-OH, N-α-Fmoc-S-t.-butylthio-L-cysteine
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关于此项目
经验公式（希尔记法）:
C22H25NO4S2
化学文摘社编号:
分子量:
431.57
UNSPSC Code:
12352209
EC Index Number:
277-574-6
NACRES:
NA.22
MDL number:
Quality Segment
product line
Novabiochem®
assay
≥95.0% (acidimetric), ≥97.0% (HPLC), ≥98% (TLC)
form
powder
reaction suitability
reaction type: Fmoc solid-phase peptide synthesis
manufacturer/tradename
Novabiochem®
mp
69-79 °C
application(s)
peptide synthesis
functional group
thiol
storage temp.
15-25°C
SMILES string
S(SC(C)(C)C)C[C@H](NC(=O)OCC1c2c(cccc2)c3c1cccc3)C(=O)O
InChI
1S/C22H25NO4S2/c1-22(2,3)29-28-13-19(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)/t19-/m0/s1
InChI key
ZDUMTHLUTJOUML-IBGZPJMESA-N
General description
Building block for introduction of cysteinyl residues by Fmoc SPPS. The t-Buthio group can be selectively removed using thiols [1] or tributylphosphine[2,3]. This protecting group is stable to TFA if thiol scavengers are not used.
Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Fmoc SPPS
Fmoc SPPS of Cysteine-Containing Peptides
Literature references
[1] U. Weber & P. Hartter (1970) Hoppe-Seyler′s Z. Physiol. Chem., 351, 1384.
[2] U. T. Ruegg & H. G. Gattner (1975) Hoppe-Seyler′s Z. Physiol. Chem., 356, 1527.
[3] N. J. C. Beekman, et al. (1997) J. Peptide Res., 50, 357.
Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Fmoc SPPS
Fmoc SPPS of Cysteine-Containing Peptides
Literature references
[1] U. Weber & P. Hartter (1970) Hoppe-Seyler′s Z. Physiol. Chem., 351, 1384.
[2] U. T. Ruegg & H. G. Gattner (1975) Hoppe-Seyler′s Z. Physiol. Chem., 356, 1527.
[3] N. J. C. Beekman, et al. (1997) J. Peptide Res., 50, 357.
Analysis Note
Color (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Purity (TLC(011B)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Enantiomeric purity: ≥ 99.5 % (a/a)
Assay (HPLC, area%): ≥ 97.0 % (a/a)
Solubility (1 mmole in 2 ml DMF): clearly soluble
Assay (acidimetric): ≥ 95.0 %
Water (K. F.): ≤ 2.00 %
To see the solvent systems used for TLC of Novabiochem® products please click here.
Appearance of substance (visual): powder
Identity (IR): passes test
Purity (TLC(011B)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Enantiomeric purity: ≥ 99.5 % (a/a)
Assay (HPLC, area%): ≥ 97.0 % (a/a)
Solubility (1 mmole in 2 ml DMF): clearly soluble
Assay (acidimetric): ≥ 95.0 %
Water (K. F.): ≤ 2.00 %
To see the solvent systems used for TLC of Novabiochem® products please click here.
Other Notes
Replaces: 04-12-1041
Legal Information
Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable