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SPDP-PEG4-NHS ester - CAS 1334177-95-5

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SPDP-PEG4-NHS ester is a PEG-based PROTAC linker that has an amine-reactive N-hydroxysuccinimide (NHS) ester at one end and a sulfhydryl-reactive 2-pyridyldithiol group at the opposite end. This has a single molecular weight PEG spacer arm, which confers greater water solubility to the crosslinker and linked proteins compared to crosslinkers having only hydrocarbon spacers.

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Molecular Formula
C23H33N3O9S2
Molecular Weight
559.65

SPDP-PEG4-NHS ester

    • Specification
      • Purity
        ≥95%
        Appearance
        Red Solid
        Storage
        Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)
        Shipping
        Room temperature in continental US; may vary elsewhere.
        IUPAC Name
        (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[3-(pyridin-2-yldisulfanyl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
        Synonyms
        SPDP-dpeg(R)4-NHS ester; 2,5-Dioxo-1-pyrrolidinyl 17-oxo-19-(2-pyridinyldithio)-4,7,10,13-tetraoxa-16-azanonadecanoate; Opss-peg(4)-nhs; N-[3-(o-Pyridyldisulfido)propanoyl]-15-amino-4,7,10,13-tetraoxa-pentadecanoyl succinimidyl ester; NHS-PEG4-SDPD; 2,5-dioxopyrrolidin-1-yl 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16-tetraoxa-4-azanonadecan-19-oate
    • Properties
      • Density
        1.3±0.1 g/cm3
        InChI Key
        QTVBGVZVUCIFAH-UHFFFAOYSA-N
        InChI
        InChI=1S/C23H33N3O9S2/c27-19(7-18-36-37-20-3-1-2-8-25-20)24-9-11-32-13-15-34-17-16-33-14-12-31-10-6-23(30)35-26-21(28)4-5-22(26)29/h1-3,8H,4-7,9-18H2,(H,24,27)
        Canonical SMILES
        C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCNC(=O)CCSSC2=CC=CC=N2
Bio Calculators
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Desired concentration: *

L

* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2

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* Total Molecular Weight:
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Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
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