| Category | Small-molecule Biotin PEG |
| Molecular Formula | C₄₂H₅₆N₆O₈S₃ |
| Molecular Weight | 869.12 |
| Appearance | Transparent Liquid |
| Shipping | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
DBCO-S-S-PEG3-biotin
CAS No.: 1430408-09-5
Cat No.: BPG-2579
Purity: >99%
4.5 
DBCO-S-S-PEG3-biotin is a polyethylene glycol (PEG)-based PROTAC linker. DBCO-S-S-PEG3-biotin can be used in the synthesis of a series of PROTACs.
Structure of 1430408-09-5
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- Specification
- Key Product Attributes
- Reaction & Conjugation Properties
| Synonyms | Azadibenzocyclooctyne-S-S-PEG3-biotin conjugate |
| IUPACName | 5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[3-[2-[[4-(2-azatricyclo[10.4.0.04,9]hexadeca-1(16),4,6,8,12,14-hexaen-10-yn-2-yl)-4-oxobutanoyl]amino]ethyldisulfanyl]propanoylamino]ethoxy]ethoxy]ethoxy]ethyl]pentanamide |
| CanonicalSMILES | C1C2C(C(S1)CCCCC(=O)NCCOCCOCCOCCNC(=O)CCSSCCNC(=O)CCC(=O)N3CC4=CC=CC=C4C#CC5=CC=CC=C53)NC(=O)N2 |
| InChI | InChI=1S/C42H56N6O8S3/c49-37(12-6-5-11-36-41-34(30-57-36)46-42(53)47-41)43-18-21-54-23-25-56-26-24-55-22-19-44-39(51)17-27-58-59-28-20-45-38(50)15-16-40(52)48-29-33-9-2-1-7-31(33)13-14-32-8-3-4-10-35(32)48/h1-4,7-10,34,36,41H,5-6,11-12,15-30H2,(H,43,49)(H,44,51)(H,45,50)(H2,46,47,53)/t34-,36-,41-/m0/s1 |
| InChIKey | ZJVGOGQIAYMKAS-MZOCQUDTSA-N |
| BoilingPoint | 1194.2±65.0 °C at 760 mmHg |
| Purity | >99% |
| Density | 1.3±0.1 g/cm3 |
| Solubility | In DMSO: 100 mg/mL (115.06 mM; Need ultrasonic) |
| PEGType | Discrete PEG Linker |
| PEGArchitecture | Linear |
| Functionality | Monofunctional (Reactive) |
| ReactiveToward | Azides |
| ReactionChemistry | SPAAC Click Chemistry |
| BiomoleculeCompatibility | Click-Handle-Modified Proteins / Peptides; Click-Handle-Modified Antibodies; Click-Handle-Modified Oligonucleotides; Small Molecules / Probes; Biotin/Avidin Affinity Systems |
| ResearchUse | Copper-Free Azide–Cyclooctyne Ligation; Biotin / Desthiobiotin Affinity-Probe Construction |
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1430408-09-5
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