Products > Optimize Reagents > Optimize - Polymers > Polyethylene glycol monomethyl ether 5,000
Polyethylene glycol monomethyl ether 5,000
Applications
- Crystallization grade Polyethylene glycol monomethyl ether 5,000 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 5,000 monomethyl ether
Synonyms: Methoxy poly(ethylene) glycol 5,000 or mono-Methyl polyethylene glycol 5,000 or PEG MME 5,000, or MPEG 5,000
CH3O(CH2CH2O)nH
CAS Number [9004-74-4]
Average Mn 5,000
EC Number 215-801-2
RTECS PE8271000
MDL Number MFCD00084416
Melting Point (Starting Material) 60-64°C
Appearance (Starting Material) Fine, white flakes
Aldehyde None detected
Peroxide None detected
Measured Conductivity range: 19.8 - 29.1 µS/cm at 25°C
Measured Refractive Index range: 1.40164 - 1.40220 at 20°C
Support Material(s)
HR2-615 Polyethylene glycol monomethyl ether 5,000 SDSCertificate Of Analysis
References
1. Poly(ethylene) glycol monomethyl ethers - an alternative to poly(ethylene) glycols in protein crystallization. A. M. Brzozowski and S. P. Tolley. Acta Cryst. (1994). D50, 466-468.
2. Crystallization of a Humicola lanuginosa lipase-inhibitor complex with the use of polyethylene glycol monomethyl ether. A. M. Brzozowski. Acta Cryst. (1993). D49, 352-354.
3. Crystallization and preliminary crystallographic analysis of the transcriptional regulator RfaH from Escherichia coli and its complex with ops DNA. M. N. Vassylyeva, V. Svetlov, S. Klyuyev, Y. D. Devedjiev, I. Artsimovitch and D. G. Vassylyev. Acta Cryst. (2006). F62, 1027-1030.