Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol monomethyl ether 5,000
Polyethylene glycol monomethyl ether 5,000
Applications
- Crystallization grade Polyethylene glycol monomethyl ether 5,000 for formulating screens or for optimization
Features
- Sterile filtered solution
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
Polyethylene glycol 5,000 monomethyl ether
Synonyms: Methoxy poly(ethylene) glycol 5,000 or mono-Methyl polyethylene glycol 5,000 or PEG MME 5,000, or MPEG 5,000
CH3O(CH2CH2O)nH
CAS Number [9004-74-4]
Average Mn 5,000
EC Number 215-801-2
RTECS PE8271000
MDL Number MFCD00084416
PubChem Substance ID 24887753
Melting Point (Starting Material) 59°C
Appearance (Starting Material) Fine, white flakes
Aldehyde None detected
Peroxide None detected
Measured Conductivity range: 19.8 – 27.9 µS/cm at 25°C
Measured Refractive Index range: 1.40164 – 1.40215 at 20°C
应用
结晶级聚乙二醇单甲醚 5,000 用于配制筛网或优化
特征
无菌过滤溶液
在 1+ 型超纯水中配制:25°C 时电阻率为 18.2 兆欧厘米,< 5 ppb 总有机碳,无细菌(<1 细菌(CFU/ml)),无热原(<0.03 内毒素(EU/ml)) , 无 RNase (< 0.01 ng/mL) 和无 DNase (< 4 pg/µL)
描述
聚乙二醇 5,000 单甲醚
同义词:甲氧基聚(乙二醇)5,000 或单甲基聚乙二醇 5,000 或 PEG MME 5,000,或 MPEG 5,000
CH3O(CH2CH2O)nH
CAS号 [9004-74-4]
平均 Mn 5,000
EC 编号 215-801-2
RTECS PE8271000
MDL 编号 MFCD00084416
PubChem 物质 ID 24887753
熔点(起始材料)59°C
外观(起始材料)精细的白色薄片
醛 未检测到
过氧化物 未检测到
测量的电导率范围:19.8 – 27.9 µS/cm at 25°C
测得的折射率范围:1.40164 – 1.40215 at 20°C
Polyethylene glycol monomethyl ether 5,000
CAT NO
HR2-615
NAME
DESCRIPTION
200 mL
PRICE
$107.00
cart quote
Support Material(s)
Certificate Of Analysis
References
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. Crystallization of a Humicola lanuginosa lipase-inhibitor complex with the use of polyethylene glycol monomethyl ether. A. M. Brzozowski. Acta Cryst. (1993). D49, 352-354.
3. Crystallization and preliminary crystallographic analysis of the transcriptional regulator RfaH from Escherichia coli and its complex with ops DNA. M. N. Vassylyeva, V. Svetlov, S. Klyuyev, Y. D. Devedjiev, I. Artsimovitch and D. G. Vassylyev. Acta Cryst. (2006). F62, 1027-1030.