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



CAT NO

HR2-591

NAME

Polyethylene glycol 3,350 Monodisperse

DESCRIPTION

500 grams

PRICE

$145.00

CAT NO

HR2-527

NAME

50% w/v Polyethylene glycol 3,350 Monodisperse

DESCRIPTION

200 mL

PRICE

$98.00

Support Material(s)

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.