Polyethylene glycol 4,000-Hampton聚乙二醇 4,000

Polyethylene glycol 4,000-Hampton聚乙二醇 4,000

Polyethylene glycol 4,000-Hampton聚乙二醇 4,000

Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 4,000

Polyethylene glycol 4,000

Applications

  • Crystallization grade Polyethylene glycol 4,000 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 4,000

Synonyms: PEG 4,000
H(OCH2CH2)nOH
Mr 3,500-4,500
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3500000
MDL Number MFCD00081839
PubChem Substance ID 24890217
Melting point (Starting Material) 58.0-61.0°C
Aldehyde None detected
Peroxide None detected

HR2-529 Measured Conductivity Range: 34.0 – 46.9 µS/cm at 25°C
HR2-529 Measured Refractive Index Range: 1.40172 – 1.40279 at 20°C

聚乙二醇 4,000
应用
结晶级聚乙二醇 4,000 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 4,000

同义词:PEG 4,000
H(OCH2CH2)nOH
3,500-4,500 先生
CAS号 [25322-68-3]
EC 编号 500-038-2
默克 14,7568
RTCS TQ3500000
MDL 编号 MFCD00081839
PubChem 物质 ID 24890217
熔点(起始材料)58.0-61.0°C
醛 未检测到
过氧化物 未检测到

HR2-529 测得的电导率范围:25°C 时为 34.0 – 46.9 µS/cm
HR2-529 测量的折射率范围:1.40172 – 1.40279 at 20°C

Polyethylene glycol 4,000

Polyethylene glycol 4,000-Hampton聚乙二醇 4,000

 

CAT NO

HR2-605

NAME

Polyethylene glycol 4,000

DESCRIPTION

500 grams

PRICE

$100.00

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CAT NO

HR2-529

NAME

50% w/v Polyethylene glycol 4,000

DESCRIPTION

200 mL

PRICE

$100.00

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Support Material(s)

Polyethylene glycol 4,000-Hampton聚乙二醇 4,000 HR2-605 Polyethylene glycol 4,000 (Flake) SDSPolyethylene glycol 4,000-Hampton聚乙二醇 4,000 HR2-529 Polyethylene glycol 4,000 SDS

Certificate Of Analysis

References

1. McPherson, A. 1976, Crystallization of proteins from polyethylene glcyol. J. Biol. Chem. 251: 6300.

2. Crystal structure of human annexin I at 2.5 A resolution. Weng, X; Luecke, H; Song, IS; Kang, DS; Kim, SH; Huber, R. Protein Sci 2, 448- 458, 1993.

3. Crystallization and preliminary X-ray analysis of CTP:phosphoethanolamine cytidylyltransferase (ECT) from Saccharomyces cerevisiae. J. Ohtsuka, K. Nagata, W. C. Lee, Y. Ono, R. Fukuda, A. Ohta and M. Tanokura. Acta Cryst. (2006). F62, 1003-1005.