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Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 3,350 Monodisperse
Polyethylene glycol 3,350 Monodisperse
Applications
- Crystallization Polyethylene glycol 3,350 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
United States Pharmacopeia (USP)/National Formulary (NF), Pharmacopoea Europaea (Ph. Eur.), and Food Chemicals Codex (FCC) grade PEG 3350. For research use only. Not for diagnostic use.
Polyethylene glycol 3,350
Synonyms: PEG 3,350
H(OCH2CH2)nOH
Average Mr 3015-3685
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
MDL Number MFCD00081839
PubChem Substance ID 24898432
Polydispersity Index 1.05-1.10 (Polydispersity is a measure of the molecular weight distribution of a polymer. It is equal to Mw/Mn. That is to say, “weight-average molecular weight” divided by “number average molecular weight”.)
Aldehyde: None detected
Peroxide: None detected
HR2-527 Measured Conductivity Range: 44.0 – 55.1 µS/cm at 25°C
HR2-527 Measured Refractive Index Range: 1.40137 – 1.40213 at 20°C
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CAT NO
HR2-591
NAME
DESCRIPTION
500 grams
PRICE
$162.00
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CAT NO
HR2-527
NAME
DESCRIPTION
200 mL
PRICE
$109.00
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Support Material(s)
HR2-591 Polyethylene glycol 3,350 Monodisperse (Powder) SDS
HR2-527 Polyethylene glycol 3,350 Monodisperse SDS Certificate Of Analysis
References
1. Crystal structure of a Soluble form of the human T Cell coreceptor CD8 at 2.6 A resolution. Leahy, DJ; Axel, R; Hendrickson, WA. Cell 68, 1145- 1162, 1992.
2. McPherson, A. 1976, Crystallization of proteins from polyethylene glcyol. J. Biol. Chem. 251: 6300.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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