Hydroxy-PEG1-acid sodium salt

CAT: 0931-TYD-01943-01Size: 10 mgDry Ice: NoHazardous: No

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CAT#:0931-TYD-01943-01Size:10 mg

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CAS Number

2855229-28-4

Bioactivity

Hydroxy-PEG1-acid sodium is a PEG linker containing both a hydroxyl group and a terminal carboxylic acid (in sodium salt form) . The free acid form is unstable because the OH group reacts with PEG-COOH to form polymers. The sodium salt version remains stable during storage and transport. The hydrophilic PEG spacer enhances solubility in aqueous media. The hydroxyl group can be further derivatized or replaced by other reactive functional groups.

Smiles

[Na].O=C(O)CCOCCO

Molecular Formula

C5H10NaO4

Molecular Weight

157.12

Shipping Conditions

Ice Packs

Storage Temperature

-20°C

Chemical Information

Hydroxy-PEG1-acid sodium salt

CAS Number	2855229-28-4
PubChem CID	167312778
IUPAC Name	sodium 3-(2-hydroxyethoxy)propanoate
Molecular Formula	C5H9NaO4
Molecular Weight	156.11
Topological Polar Surface Area	69.6
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	5
Heavy Atom Count	10
Formal Charge	0
Complexity	85

SMILES

C(COCCO)C(=O)[O-].[Na+]

InChI

InChI=1S/C5H10O4.Na/c6-2-4-9-3-1-5(7)8;/h6H,1-4H2,(H,7,8);/q;+1/p-1

InChIKey

CTAOUTPCLXWLER-UHFFFAOYSA-M

Chemical Structure

2D Structure

CAS: 2855229-28-4

CID: 167312778

Formula: C5H9NaO4

MW: 156.11

Interactive 3D Structure

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View on PubChem Raw 3D data

Computed Properties

Property	Value
Molecular Weight	156.11
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	5
Exact Mass	156.03985305
Monoisotopic Mass	156.03985305
Topological Polar Surface Area	69.6 Å²
Heavy Atom Count	10
Formal Charge	0
Complexity	85.7
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
Covalently-Bonded Unit Count	2
Compound Is Canonicalized	Yes

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Hydroxy-PEG1-acid sodium salt

Chemical Information

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