| Category | Small-molecule Heterobifunctional PEG |
| Molecular Formula | C8H18O4S |
| Molecular Weight | 210.29 |
| Appearance | Colorless Liquid |
| Shipping | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
Thiol-PEG4-alcohol
CAS No.: 90952-27-5
Cat No.: BPG-1761
Purity: >95%
4.5 
Thiol-PEG4-alcohol (CAS# 90952-27-5) is a useful research chemical.
Structure of 90952-27-5
Ordering Information
*For research and manufacturing use only. We do not sell to patients.
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- Specification
- Key Product Attributes
- Reaction & Conjugation Properties
| Synonyms | 2-[2-[2-(2-mercaptoethoxy)ethoxy]ethoxy]ethanol; 2-[2-[2-(2-sulfanylethoxy)ethoxy]ethoxy]ethanol |
| IUPACName | 2-[2-[2-(2-sulfanylethoxy)ethoxy]ethoxy]ethanol |
| CanonicalSMILES | C(COCCOCCOCCS)O |
| InChI | InChI=1S/C8H18O4S/c9-1-2-10-3-4-11-5-6-12-7-8-13/h9,13H,1-8H2 |
| InChIKey | GKKYNULPAQDGHI-UHFFFAOYSA-N |
| BoilingPoint | 320.3±32.0 °C at 760 mmHg |
| Purity | >95% |
| Density | 1.1±0.1 g/cm3 |
| ExactMass | 210.09258022 |
| LogP | -0.04170 |
| Pictogram | Corrosive, Acute Toxic |
| Signal | Danger |
| PrecautionaryStatementCodes | P260, P264, P270, P280, P301+P316, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P363, P405, and P501 |
| PEGType | Discrete PEG Linker |
| PEGArchitecture | Linear |
| Functionality | Heterobifunctional |
| ReactiveToward | Maleimides; Haloacetamides; Activated Alkenes; Activated Disulfides; Activated Carboxyls / Isocyanates |
| ReactionChemistry | Thiol-Michael Addition; Thiol Alkylation; Disulfide Exchange; Esterification / Carbamate Formation |
| BiomoleculeCompatibility | Maleimide-/Haloacetamide-Modified Proteins / Peptides; Maleimide-/Haloacetamide-Modified Antibodies; Maleimide-/Haloacetamide-Modified Oligonucleotides |
| ResearchUse | Thiol–Michael Conjugation; Cysteine / Thiol Alkylation; Reversible Thiol–Disulfide Exchange |
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90952-27-5
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