Bis-PEG8-acid
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| Category | COOH-PEGn-COOH |
| Catalog NO. | BPG-0177 |
| Product Name | Bis-PEG8-acid |
| CAS | 1246189-43-4 |
| Molecular Formula | C20H38O12 |
| Molecular Weight | 470.51 |
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Product Information
| Description | Bis-PEG8-acid is a PEG linker containing two terminal carboxylic acid groups. The terminal carboxylic acids can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media. |
| Synonyms | HOOC-PEG7-CH2CH2COOH; HOOCCH2CH2O-PEG7-CH2CH2COOH; 4,7,10,13,16,19,22,25-Octaoxaoctacosanedioic acid; Bis-PEG8-COOH; 4,7,10,13,16,19,22,25-Octaoxaoctacosane-1,28-dioic Acid; Di-Acid-PEG8 |
| IUPAC Name | 3-[2-[2-[2-[2-[2-[2-[2-(2-carboxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid |
| SMILES | C(COCCOCCOCCOCCOCCOCCOCCOCCC(=O)O)C(=O)O |
| InChI | InChI=1S/C20H38O12/c21-19(22)1-3-25-5-7-27-9-11-29-13-15-31-17-18-32-16-14-30-12-10-28-8-6-26-4-2-20(23)24/h1-18H2,(H,21,22)(H,23,24) |
| InChIKey | IRTAMFHIULAGCS-UHFFFAOYSA-N |
| Boiling Point | 601.8±55.0°C (Predicted) |
| Purity | ≥95% |
| Density | 1.179±0.06 g/cm3 (Predicted) |
| Solubility | Soluble in DMSO |
| Related CAS | 51178-68-8 (polymer) |
| Appearance | Pale Yellow or Colorless Oily Matter |
| Shelf Life | -20°C 3 years powder; -80°C 2 years in solvent |
| Storage | Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years) |
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BOC Sciences supplies a unique variety of PEG derivatives and functional PEG polymers. Our products offer the most diverse collection of reactivity, ready-to-use functionality, and molecular weight options that you will not find anywhere else.
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