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Polyethylene glycol 4,000
Polyethylene glycol 4,000
Applications
Crystallization grade Polyethylene glycol for formulating screens or for optimization
Features
Sterile filtered solution
Description
Polyethylene glycol 4,000
Synonym: 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 TQ4050000
MDL Number MFCD00081839
PubChem Substance ID 24887706
Melting point (Starting Material) 58.0-61.0°C
Aldehyde None detected
Peroxide None detected

HR2-529 Measured pH range: 6.9-9.5 at 25°C
HR2-529 Measured Conductivity Range: 35.4 - 46.9 µS/cm at 25°C
HR2-529 Measured Refractive Index Range: 1.40172 - 1.40279 at 20°C
ITEMS
CAT NO NAME DESCRIPTION
HR2-605 Polyethylene glycol 4,000 Flake - 500 g
Price Quantity
$89.00
CAT NO NAME DESCRIPTION
HR2-529 Polyethylene glycol 4,000 50% w/v solution - 200 ml
Price Quantity
$89.00
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.
Certificates of Analysis
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