Hydroxy-PEG3-t-butyl ester
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| Category | HO-PEGn-COOtBu |
| Catalog NO. | BPG-1877 |
| Product Name | Hydroxy-PEG3-t-butyl ester |
| CAS | 186020-66-6 |
| Molecular Formula | C13H26O6 |
| Molecular Weight | 278.34 |
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Product Information
| Description | Hydroxy-PEG3-t-butyl ester is a protected PEG linker offering hydroxyl functionality for downstream activation. Its t-butyl group ensures synthetic control, while the PEG3 spacer enhances solubility and biocompatibility in ADC linker and payload formulations. |
| Synonyms | HO-PEG3-CH2CH2COOtBu; Hydroxy-PEG3-(CH2)2-Boc; OH-PEG3-TBA; OH-PEG3-CH2CH2COOtBu; HO-PEG3-t-butyl ester; tert-Butyl 12-hydroxy-4,7,10-trioxadodecanoate; 3-[2-[2-(2-Hydroxyethoxy)ethoxy]ethoxy]propionic acid tert-butyl ester; 12-Hydroxy-4,7,10-trioxadodecanoic Acid tert-Butyl Ester; 2-Methyl-2-propanyl 3-{2-[2-(2-hydroxyethoxy)ethoxy]ethoxy}propanoate; Propanoic acid, 3-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]-, 1,1-dimethylethyl ester; tert-Butyl triethylene glycol-O-propionate |
| IUPAC Name | tert-butyl 3-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]propanoate |
| SMILES | CC(C)(C)OC(=O)CCOCCOCCOCCO |
| InChI | InChI=1S/C13H26O6/c1-13(2,3)19-12(15)4-6-16-8-10-18-11-9-17-7-5-14/h14H,4-11H2,1-3H3 |
| InChIKey | KSXVEOLRERRELV-UHFFFAOYSA-N |
| Boiling Point | 365.8±27.0°C (Predicted) |
| Flash Point | 125.2°C |
| Purity | ≥95% |
| Density | 1.052 g/mL at 20°C |
| Solubility | Soluble in DMSO (10 mm) |
| Related CAS | 1186025-29-5 (polymer) 892154-71-1 (polymer) |
| Appearance | Colorless to light yellow to light orange clear liquid |
| Storage | Store at 2-8°C |
| Exact Mass | 278.17293854 |
| Vapor Pressure | 7.78E-07mmHg at 25°C |
| LogP | 0.76030 |
| Pictogram(s) | Irritant |
| Signal | Warning |
| Precautionary Statement Codes | P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 |
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