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418749

Sigma-Aldrich

Pentaerythritol propoxylate (5/4 PO/OH)

average Mn ~426

Synonym(s):

Pentaerythritol propoxylate (17/8 PO/OH)

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About This Item

Linear Formula:
C[CH2[OCH2CH(CH3)]nOH]4
CAS Number:
9051-49-4
MDL number:
MFCD00197885
UNSPSC Code:
12162002
PubChem Substance ID:
24866238
NACRES:
NA.23

form

viscous liquid

Quality Level

200

mol wt

average Mn ~426

refractive index

n20/D 1.464

bp

>300 °C (lit.)

density

1.05 g/mL at 25 °C (lit.)

SMILES string

CC(O)CO.OCC(CO)(CO)CO

InChI

1S/C17H36O8.C5H12O4/c18-5-1-9-22-13-17(14-23-10-2-6-19,15-24-11-3-7-20)16-25-12-4-8-21;6-1-5(2-7,3-8)4-9/h18-21H,1-16H2;6-9H,1-4H2

InChI key

PWIIWDSISSNGLT-UHFFFAOYSA-N

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General description

Pentaerythritol propoxylate (5/4 PO/OH) is a pentaerythriol based branched polymer that can be used as a crystallization agent to generate ordered, high resolution diffraction quality crystals.

Application

Pentaerythritol propoxylate may be used as a precipitant in reservoir solution for the crystallization of Phosphate Transporter(PiPT) and Aggregation Suppressing Protein A(AgsA). It may also acts as a reservoir solution for Phytosulfokine (PSK)- receptor PSKR- and somatic embryogenesis receptor-like kinases (SERKs) complex.

WGK

WGK 1

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Allosteric receptor activation by the plant peptide hormone phytosulfokine.
Wang J, et al.
Nature, 525(7568), 265-265 (2015)
Crystal structure of a eukaryotic phosphate transporter.
Pedersen BP, et al.
Nature, 496(7446), 533-533 (2013)
Pentaerythritol propoxylate: a new crystallization agent and cryoprotectant induces crystal growth of 2-methylcitrate dehydratase.
Gulick A, et al.
Acta Crystallographica Section D, Biological Crystallography, 58(2), 306-309 (2002)
Multiple oligomeric structures of a bacterial small heat shock protein.
Mani N, et al.
Scientific Reports, 6(7446), 24019-24019 (2016)

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