Pyridin-2-yldisulfanyl-PEG4-NHS
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| Category | SPDP-PEGn-NHS ester |
| Catalog NO. | BPG-3605 |
| Product Name | Pyridin-2-yldisulfanyl-PEG4-NHS |
| CAS | 1305053-43-3 |
| Molecular Formula | C20H28N2O8S2 |
| Molecular Weight | 488.57 |
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Product Information
| Description | Pyridin-2-yldisulfanyl-PEG4-NHS is a heterobifunctional ADC linker designed for PEGylated, cleavable drug conjugation. The PEG4 spacer improves solubility and flexibility, while the NHS ester and pyridyl disulfide allow for site-specific thiol-reactive coupling in ADC and bioconjugate synthesis. |
| Synonyms | PEG4-SPDP; 15-(2-pyridyldithio)-4,7,10,13-tetraoxapentadecanoic acid N-hydroxysuccinimide ester; (2-pyridyldithio)-PEG4-NHS ester; 2,5-dioxopyrrolidin-1-yl 1-(pyridin-2-yldisulfaneyl)-3,6,9,12-tetraoxapentadecan-15-oate; 2,5-dioxo-1-pyrrolidinyl 15-(2-Pyridinyldithio)-4,7,10,13-tetraoxapentadecanoate; 1-{[15-(2-Pyridinyldisulfanyl)-4,7,10,13-tetraoxapentadecan-1-oyl]oxy}-2,5-pyrrolidinedione; 2,5-Pyrrolidinedione, 1-[[1-oxo-15-(2-pyridinyldithio)-4,7,10,13-tetraoxapentadec-1-yl]oxy]-; 4,7,10,13-Tetraoxapentadecanoic acid, 15-(2-pyridinyldithio)-, 2,5-dioxo-1-pyrrolidinyl ester |
| IUPAC Name | (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-(pyridin-2-yldisulfanyl)ethoxy]ethoxy]ethoxy]ethoxy]propanoate |
| SMILES | C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCSSC2=CC=CC=N2 |
| InChI | InChI=1S/C20H28N2O8S2/c23-18-4-5-19(24)22(18)30-20(25)6-8-26-9-10-27-11-12-28-13-14-29-15-16-31-32-17-3-1-2-7-21-17/h1-3,7H,4-6,8-16H2 |
| InChIKey | AZXJOPLHLVNPKQ-UHFFFAOYSA-N |
| Boiling Point | 605.9±65.0°C at 760 mmHg |
| Purity | ≥98% |
| Density | 1.3±0.1 g/cm3 |
| Solubility | Soluble in DMSO |
| Appearance | Colorless to Light Yellow Viscous Liquid |
| Storage | Store at 2-8°C |
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