Chloroacetamido-PEG4-NHS Ester

Basic Information

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CAS Number

1353011-95-6

Molecular Formula

C17H27ClN2O9

Molecular Weight

438.86 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Surfactants Anionic Surfactants

Laboratory Chemicals Research Chemicals Biochemical Reagents

Basic Physical Properties

SMILES

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ClCC(=O)NCCOCCOCCOCCOCCC(=O)ON1C(=O)CCC1=O

InChI

InChI=1S/C17H27ClN2O9/c18-13-14(21)19-4-6-26-8-10-28-12-11-27-9-7-25-5-3-17(24)29-20-15(22)1-2-16(20)23/h1-13H2,(H,19,21)

InChIKey

BPWFCYSNJLMFRO-UHFFFAOYSA-N

LogP

-0.5948999999999973

Topological Polar Surface Area

129.7 Å²

Hydrogen Bond Donor/Acceptor

1 / 11

Complexity

517

Synonyms & References

English

Chloroacetamido-PEG4-NHS ester
Cl-peg4-nhsester
Cl-PEG4-NHS ester
KM4192

MDL Number

MFCD20926381

FAQ

What are the physical and chemical properties of Chloroacetamido-PEG4-NHS Ester (CAS: 1353011-95-6)?

Chloroacetamido-PEG4-NHS Ester (CAS: 1353011-95-6) is a white or off-white solid in its crystalline form. Its molecular weight is approximately 364.5 g/mol. It has a relatively low water solubility and high reactivity towards amine-containing compounds, making it suitable for conjugation reactions. It is soluble in polar organic solvents like DMSO and DMF.

How is Chloroacetamido-PEG4-NHS Ester (CAS: 1353011-95-6) typically synthesized?

Chloroacetamido-PEG4-NHS Ester (CAS: 1353011-95-6) is synthesized by reacting PEG4-NHS Ester with chloroacetyl chloride in the presence of a suitable solvent and a base. The reaction yields a high purity product with good selectivity and a high yield. The key steps involve the formation of an amide bond via an acyl chlorination reaction.

What industries use Chloroacetamido-PEG4-NHS Ester (CAS: 1353011-95-6)?

Chloroacetamido-PEG4-NHS Ester (CAS: 1353011-95-6) is widely used in pharmaceuticals for drug conjugation, in polymers for creating functionalized materials, and in sensors for labeling biomolecules. It also finds applications in semiconductors for surface functionalization and in biomedical research for attaching molecules to surfaces.

What precautions should be taken when handling Chloroacetamido-PEG4-NHS Ester (CAS: 1353011-95-6)?

When handling Chloroacetamido-PEG4-NHS Ester (CAS: 1353011-95-6), it is crucial to use proper personal protective equipment (PPE) such as gloves, goggles, and a lab coat. The substance should be handled in a well-ventilated area or a fume hood to avoid inhalation. Spills should be cleaned up with caution using appropriate spill kits. Always refer to the Safety Data Sheet (SDS) for specific handling and disposal instructions.