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m-PEG3-Sulfone-PEG2-OH - ≥98% , CAS No.1919045-00-3
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
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Why this grade
≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Storage & shipping
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Literature proof
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Overview
m-PEG3-Sulfone-PEG2-OH is a PEG derivative containing sulfone and hydroxyl moieties. The sulfone can be reacted with thiol groups of proteins. The hydroxyl group can be reacted to further derivatize the compound. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media.
Specifications
Specifications & Purity
≥98%
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
| Canonical Smiles | COCCOCCOCCS(=O)(=O)CCOCCOCCO |
|---|---|
| Isomeric SMILES | COCCOCCOCCS(=O)(=O)CCOCCOCCO |
| PubChem CID | 119058258 |
| Molecular Weight | 344.4 |
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →✅ Certificate of Analysis (COA)
Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →🔬 Specification Sheet
Full quality attributes and acceptance criteria for this grade.
View spec sheet →Advanced Data
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
| Molecular Weight | 344.420 g/mol |
|---|---|
| XLogP3 | -1.800 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 17 |
| Exact Mass | 344.15 Da |
| Monoisotopic Mass | 344.15 Da |
| Topological Polar Surface Area | 109.000 Ų |
| Heavy Atom Count | 22 |
| Formal Charge | 0 |
| Complexity | 314.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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