Mal-PEG1-NHS ester

 CAS No.: 1807518-72-4  Cat No.: BP-500112  Purity: ≥95% 4.5  

Mal-PEG1-NHS ester is a heterobifunctional linker with maleimide and NHS ester groups, enabling selective thiol-to-amine conjugation in ADC synthesis. Its short PEG1 spacer increases aqueous solubility and enhances bioconjugation efficiency for targeted drug delivery.

Mal-PEG1-NHS ester

Structure of 1807518-72-4

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Category
PROTAC Linker
Molecular Formula
C13H14N2O7
Molecular Weight
310.26
Appearance
White Solid

* For research and manufacturing use only. Not for human or clinical use.

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Purity
≥95%
Solubility
Soluble in DCM, DMSO
Appearance
White Solid
ShelfLife
-20°C 3 years powder; -80°C 2 years in solvent
Storage
Store at 2-8°C
Shipping
Room temperature
IUPACName
(2,5-dioxopyrrolidin-1-yl) 3-[2-(2,5-dioxopyrrol-1-yl)ethoxy]propanoate
Synonyms
Mal-PEG1-SPA; Maleimide-PEG1-Succinimidyl Propionate; 2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate; Propanoic acid, 3-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethoxy]-, 2,5-dioxo-1-pyrrolidinyl ester; 1-(2-{3-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy}ethyl)-1H-pyrrole-2,5-dione; 1H-Pyrrole-2,5-dione, 1-[2-[3-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy]ethyl]-
Boiling Point
488.4±55.0°C (Predicted)
Density
1.48±0.1 g/cm3 (Predicted)
InChI Key
AMRJPIJPLBUEHO-UHFFFAOYSA-N
InChI
InChI=1S/C13H14N2O7/c16-9-1-2-10(17)14(9)6-8-21-7-5-13(20)22-15-11(18)3-4-12(15)19/h1-2H,3-8H2
Canonical SMILES
C1CC(=O)N(C1=O)OC(=O)CCOCCN2C(=O)C=CC2=O
ConcentrationVolumeMass1 mg5 mg10 mg
1 mM3.2231 mL16.1155 mL32.2310 mL
5 mM0.6446 mL3.2231 mL6.4462 mL
10 mM0.3223 mL1.6116 mL3.2231 mL

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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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Historical Records: Amino-PEG2-t-butyl ester | Boc-5-aminovaleric acid | t-Boc-aminooxyacetic Acid N-Hydroxysuccinimide Ester | Propargyl-PEG2-amine | 1-Boc-piperazine | Amino-PEG4-propionic acid | N-Boc-serinol | O-(2-Azidoethyl)-O-[2-(diglycolyl-amino)ethyl]heptaethylene glycol | 3,6,9-Trioxaundecanedioic acid | DBCO-PEG1-amine | Mal-PEG1-NHS ester

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