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(2-pyridyldithio)-PEG4-alcohol - ≥98% , CAS No.851961-99-4
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
(2-pyridyldithio)-PEG2-alcohol is a PEG derivative which contains a pyridyl disulfide moiety and an alcohol group. The pyridyl disulfide group can react with thiol groups of proteins over a wide range of pH level. The hydroxyl group allows for further derivatization of the compound. The hydrophilic PEG linker increases the water solubility of the compound.
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 | C1=CC=NC(=C1)SSCCOCCOCCOCCO |
|---|---|
| IUPAC Name | 2-[2-[2-[2-(pyridin-2-yldisulfanyl)ethoxy]ethoxy]ethoxy]ethanol |
| InChIKey | NVGYTXVKRZYCDH-UHFFFAOYSA-N |
| INCHI | 1S/C13H21NO4S2/c15-5-6-16-7-8-17-9-10-18-11-12-19-20-13-3-1-2-4-14-13/h1-4,15H,5-12H2 |
| Isomeric SMILES | C1=CC=NC(=C1)SSCCOCCOCCOCCO |
| PubChem CID | 86049505 |
| Molecular Weight | 319.4 |
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
3D Structure
Interactive Chemical Structure Model
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
| Solubility | Solubility in DMSO, DCM, DMF |
|---|---|
| Molecular Weight | 319.400 g/mol |
| XLogP3 | 0.600 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 13 |
| Exact Mass | 319.091 Da |
| Monoisotopic Mass | 319.091 Da |
| Topological Polar Surface Area | 111.000 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 213.000 |
| 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 |
Solution Calculators
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