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Fmoc-S-三苯甲基-L-半胱氨酸,Fmoc-Cys(Trt)-OH;Novabiochem®, ≥99.0% (a/a)

别名:芴甲氧羰基-S-三苯甲基-L-半胱氨酸;N-(9-芴甲氧羰基)-S-三苯甲基-L-半胱氨酸;Nα-Fmoc-S-三苯甲基-L-半胱氨酸;Nα-Fmoc-S-trityl-L-cysteine, N-(9-Fluorenylmethoxycarbonyl)-S-trityl-L-cysteine;8520080025;8520080100;8520080250;8520080500;8520085000

Empirical Formula (Hill Notation): C37H31NO4S CAS号: 103213-32-7 分子量: 585.71 MDL编号: MFCD00038538
货号(SKU): 8.52008
CAS号: 103213-32-7
MDL号: MFCD00038538
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€87.73

说明

一般描述

The standard derivative for Fmoc SPPS of peptides containing Cys [1]. The Trt group is removed with 95% TFA containing 1-5% TIS. Ideally, this derivative should be introduced using the symmetrical anhydride or DIPCDI/HOBt activation [2,3] to minimize enantiomerization. If activation with uronium or phosphonium reagents, such as HBTU or PyBOP®, is to be employed, it is strongly recommended that collidine is used as the base [4], as this has been shown to significantly reduce loss of optical integrity during coupling.

The product number for this product was previously 04-12-1018.

To obtain a certificate of analysis (CoA) of a lot that begins with the letter “A”, please select the option in the right hand menu “Request a COA for Lot#s starting with A”.
 

联系

Replaces: 04-12-1018
 

分析说明

Colour (visual): white to off white
Appearance of substance (visual): powder
Colour index (0,5 M in DMF): ≤ 150 Hazen
Identity (IR): passes test
Enantiomeric purity: ≥ 99.5 % (a/a)
Purity (HPLC): ≥ 99.0 % (a/a)
Fmoc-ß-Ala-OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-ß-Ala-Cys (Trt) -OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-Cys(Trt)-Cys(Trt)-OH (HPLC): ≤ 0.1 % (a/a)
Fmoc-Cys-OH (HPLC): ≤ 0.1 % (a/a)
Assay free amino acid (HPLC): ≤ 0.2 %
Purity (TLC(011A)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Solubility (1 mmole in 2 ml DMF): clearly soluble
Assay (acidimetric): ≥ 98.0 %
Water (K. F.): ≤ 2.0 %
Ethyl acetate (HS-GC): ≤ 0.5 %
Acetate (IC): ≤ 0.02 %
For TLC-Systems see our General Catalog
 

法律信息

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

 

安全信息

个人防护装备

Eyeshields, Gloves, type N95 (US)

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

商品规格
属性名称属性值
储存温度 Storage temp.2-8°C冷藏
全球实时库存 Availability √美国St. Louis ≥ 55 | 欧洲Eur. ≥ 16 | 東京Tokyo ≥ 8 | 香港与北京 ≥ 10