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Tos-PEG3-alcohol - CAS 77544-68-4

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Tos-PEG3 is a polyethylene glycol (PEG)-based PROTAC linker. Tos-PEG3 can be used in the synthesis of a series of PROTACs.

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Molecular Formula

C₁₃H₂₀O₆S

Molecular Weight

304.36

Tos-PEG3-alcohol

- Specification
  - Solubility
    
    In Ethanol: 100 mg/mL (328.56 mM; Need ultrasonic)
    In DMSO: 100 mg/mL (328.56 mM; Need ultrasonic and warming)
    In H2O: 10 mg/mL (32.86 mM; Need ultrasonic)
    
    Appearance
    
    Liquid
    
    Storage
    
    Pure form, -20°C, 3 years; 4°C, 2 years; In solvent, -80°C, 6 months; -20°C, 1 month
    
    Shipping
    
    Room temperature in continental US; may vary elsewhere.
    
    IUPAC Name
    
    2-[2-(2-hydroxyethoxy)ethoxy]ethyl 4-methylbenzenesulfonate
    
    Synonyms
    
    PEG3-Tos; 2-(2-(2-Hydroxyethoxy)ethoxy)ethyl 4-methylbenzenesulfonate
- Properties
  - Boiling Point
    
    460.0±35.0 °C at 760 mmHg
    
    Density
    
    1.2±0.1 g/cm3
    
    InChI Key
    
    RSUCRUOTLCQWFX-UHFFFAOYSA-N
    
    InChI
    
    InChI=1S/C13H20O6S/c1-12-2-4-13(5-3-12)20(15,16)19-11-10-18-9-8-17-7-6-14/h2-5,14H,6-11H2,1H3
    
    Canonical SMILES
    
    CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCO
- Preparing Stock Solutions
  - ConcentrationVolumeMass 1 mg 5 mg 10 mg
    
    1 mM 3.2856 mL 16.4279 mL 32.8558 mL
    
    5 mM 0.6571 mL 3.2856 mL 6.5712 mL
    
    10 mM 0.3286 mL 1.6428 mL 3.2856 mL

ConcentrationVolumeMass	1 mg	5 mg	10 mg
1 mM	3.2856 mL	16.4279 mL	32.8558 mL
5 mM	0.6571 mL	3.2856 mL	6.5712 mL
10 mM	0.3286 mL	1.6428 mL	3.2856 mL

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