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: 35.3 - 46.9 µS/cm at 25°C
HR2-529 Measured Refractive Index Range: 1.40172 - 1.40279 at 20°C



CAT NO

HR2-605

NAME

Polyethylene glycol 4,000

DESCRIPTION

500 grams

PRICE

$98.00

CAT NO

HR2-529

NAME

50% w/v Polyethylene glycol 4,000

DESCRIPTION

200 mL

PRICE

$98.00

Support Material(s)

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.