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安全信息

8.52007

Sigma-Aldrich

Fmoc-Cys(tBu)-OH

Novabiochem®

别名:

Fmoc-Cys(tBu)-OH, N-α-Fmoc-S-t.-butyl-L-cysteine

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About This Item

经验公式(希尔记法):
C22H25NO4S
CAS号:
分子量:
399.50
MDL编号:
UNSPSC代码:
12352209
NACRES:
NA.22

质量水平

产品线

Novabiochem®

检测方案

≥97.0% (acidimetric)
≥98% (TLC)
≥98.0% (HPLC)

形式

powder

反应适用性

reaction type: Fmoc solid-phase peptide synthesis

制造商/商品名称

Novabiochem®

mp

133-136 °C

应用

peptide synthesis

官能团

thiol

储存温度

2-30°C

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)

InChI key

IXAYZHCPEYTWHW-UHFFFAOYSA-N

一般描述

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.

联系

Replaces: 04-12-1016

分析说明

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.

法律信息

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

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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实验方案

Overcome challenges in synthesis and disulfide bond formation with protocols for Fmoc solid-phase peptide synthesis of peptides with cysteine and methionine.

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