8.52007

Fmoc-Cys(tBu)-OH

Novabiochem^®

• 别名: Fmoc-Cys(tBu)-OH, N-α-Fmoc-S-t.-butyl-L-cysteine
• 经验公式（希尔记法）: C₂₂H₂₅NO₄S
• CAS号: 67436-13-9
• 分子量: 399.50
• MDL號碼: MFCD00037130
• 分類程式碼代碼: 12352209
• NACRES: NA.22

属性

• 品質等級: 200
• 產品線: Novabiochem^®
• 化驗: ≥97.0% (acidimetric); ≥98% (TLC); ≥98.0% (HPLC)
• 形狀: powder
• 反應適用性: reaction type: Fmoc solid-phase peptide synthesis
• 製造商／商標名: Novabiochem^®
• mp: 133-136 °C
• 應用: peptide synthesis
• 官能基: thiol
• 儲存溫度: 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 密鑰: IXAYZHCPEYTWHW-UHFFFAOYSA-N

说明

一般說明

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.

聯結

Replaces: 04-12-1016

分析報告

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.

法律資訊

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

安全信息

• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable