Hampton蛋白结晶试剂盒Polyethylene glycol monomethyl ether 550/HR2-611

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Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol monomethyl ether 550

Polyethylene glycol monomethyl ether 550

Polyethylene glycol monomethyl ether 550



100% Polyethylene glycol monomethyl ether 550


200 mL




Polyethylene glycol monomethyl ether 550 HR2-611 Polyethylene glycol monomethyl ether 550 SDS


  • Crystallization grade Polyethylene glycol monomethyl ether 550 for formulating screens or for optimization
  • 结晶级聚乙二醇单甲醚 550 用于配制筛选或优化

描述Polyethylene glycol monomethyl ether 550

Synonyms: Methoxypolyethylene glycol, mono-Methyl polyethylene glycol, Methoxy poly(ethylene glycol), PEG MME 550, MPEG
Average Mn ~550
CAS Number [9004-74-4]
EC Number 215-801-2
RTECS PE8271000
MDL Number MFCD00084416
Purity ≥100%
Melting Point (Starting Material) 20.0°C (lit.)

Aldehyde None detected
Peroxide None detected

Measured Conductivity Range: 0.0 – 1.0 µS/cm at 25°C
Measured Refractive Index Range: 1.46185 – 1.46361 at 20°C

May become highly viscous, develop amorphous, crystalline precipitate, or take on a gel like consistency at temperatures below 20 degrees Celsius. Warm product to 60 degrees Celsius for up to 24 hours, mix well, to dissolve amorphous, crystalline precipitate.

同义词:甲氧基聚乙二醇、单甲基聚乙二醇、甲氧基聚(乙二醇)、PEG MME 550、MPEG
平均锰 ~550
CAS 编号 [9004-74-4]
欧盟编号 215-801-2
RTECS PE8271000
MDL 编号 MFCD00084416

过氧化物 未检测到

测量电导率范围:25°C 时 0.0 – 1.0 µS/cm
测得的折射率范围:20°C 时为 1.46185 – 1.46361

在低于 20 摄氏度的温度下可能变得高度粘稠、形成无定形结晶沉淀物或呈现凝胶状稠度。 将产品加热至 60 摄氏度长达 24 小时,充分混合,以溶解无定形结晶沉淀。

参考Polyethylene glycol monomethyl ether 550

1. Poly(ethylene) glycol monomethyl ethers – an alternative to poly(ethylene) glycols in protein crystallization. A. M. Brzozowski and S. P. Tolley. Acta Cryst. (1994). D50, 466-468.

2. Crystal structure of ethylbenzene dehydrogenase from Aromatoleum aromaticum. Daniel P. Kloer, Corina Hagel, Johann Heider and Gerog E. Schulz. Structure 2006 Volume 14 Number 9, 1377-1388.

1. 聚(乙二醇)单甲醚——蛋白质结晶中聚(乙二醇)的替代品。 A. M. Brzozowski 和 S. P. Tolley。 晶体学报。 (1994)。 D50,466-468。

2. 芳香芳香族乙苯脱氢酶的晶体结构。 Daniel P. Kloer、Corina Hagel、Johann Heider 和 Gerog E. Schulz。 结构 2006 年第 14 卷第 9 期,1377-1388。