Tos-PEG4-COOtBu
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| Category | Tos-PEGn-COOtBu |
| Catalog NO. | BPG-3464 |
| Product Name | Tos-PEG4-COOtBu |
| CAS | 217817-01-1 |
| Molecular Formula | C20H32O8S |
| Molecular Weight | 432.53 |
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Product Information
| Description | Tos-PEG4-COOtBu linker bears a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases the solubility in aqueous media. The carboxyl group protected by tert-butyl can be deprotected under acidic conditions. Tosyl group is a very good leaving group for nucleophilic substitution reaction. |
| Synonyms | 3-(2-{2-[2-(Toluene-4-sulfonyloxy)-ethoxy]-ethoxy}-ethoxy)-propionic acid tert-butyl ester; Tos-PEG4-Boc; 2-(2-(tert-butoxycarbonyl)ethoxy)ethyl 4-methylbenzenesulfonate; 2-(2-(tert-butoxycarbonyl)ethoxy)ethyl4-methylbenzenesulfonate; Tos-PEG4-t-butyl ester; tert-butyl 3-(2-(2-(2-(tosyloxy)ethoxy)ethoxy)ethoxy)propanoate |
| IUPAC Name | tert-butyl 3-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]propanoate |
| SMILES | CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCOCCC(=O)OC(C)(C)C |
| InChI | InChI=1S/C20H32O8S/c1-17-5-7-18(8-6-17)29(22,23)27-16-15-26-14-13-25-12-11-24-10-9-19(21)28-20(2,3)4/h5-8H,9-16H2,1-4H3 |
| InChIKey | AAQWIVKRAHBPDM-UHFFFAOYSA-N |
| Boiling Point | 528.5±45.0 °C at 760 mmHg |
| Purity | ≥95% |
| Density | 1.2±0.1 g/cm3 |
| Solubility | Soluble in DMSO |
| Storage | Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years) |
| 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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