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Biotin and derivatives

Organic heterocyclic compounds and derivatives that consist of a ureido ring and a tetrahydrothiophene ring; ureido contains the radical: NH2CONH−, and tetrahydrothiophene is a five-membered ring consisting of four carbon atoms and a sulfur atom.

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Medchemexpress LLC Mal-PEG3-C1-NHS ester | 2230016-26-7 | 95.0% | 384.34 | C16H20N2O9 | 10 MG
SDP

Mal-PEG3-C1-NHS ester is a non-cleavable three-unit polyethylene glycol (PEG) linker bearing a maleimide and an N-hydroxysuccinimide (NHS) ester functional group, used to conjugate payloads to antibodies during antibody-drug conjugate synthesis. It is supplied as premeasured vials in DMSO to simplify dosing and handling in bioconjugation workflows.

  • Non-cleavable three-unit PEG linker for bioconjugation.
  • Maleimide reacts selectively with thiol groups; NHS ester reacts with primary amines.
  • Supplied pre-dissolved in DMSO at 260.19 mM for convenient dosing.
  • High purity suitable for research applications (95.0%).
  • Colorless to light yellow solution stable at -20°C for up to 2 years when stored as directed.

ENCOMPASS_PREFERRED
2

Medchemexpress LLC Mal-PEG3-C1-NHS ester | 2230016-26-7 | 95.0% | 384.34 g/mol | C16H20N2O9 | 50 MG
SDP

Mal-PEG3-C1-NHS ester is a non-cleavable 3-unit polyethylene glycol (PEG) linker bearing a maleimide and an N-hydroxysuccinimide (NHS) ester. It is supplied for research use to facilitate conjugation between amine and thiol groups during antibody-drug conjugate (ADC) synthesis, and is provided as a solution for low-temperature storage.

  • Non-cleavable 3-unit polyethylene glycol linker.
  • Terminal maleimide and NHS ester functional groups for thiol and amine coupling.
  • Suitable for antibody-drug conjugate (ADC) synthesis.
  • Purity approximately 95.0%.
  • Supplied as a solution; store at -20°C for up to 2 years.

ENCOMPASS_PREFERRED
3

Medchemexpress LLC Mal-PEG3-C1-NHS ester | 2230016-26-7 | 95.0% | 384.34 g/mol | C16H20N2O9 | 25 MG
SDP

Mal-PEG3-C1-NHS ester is a non-cleavable, three-unit polyethylene glycol (PEG) linker bearing maleimide and N-hydroxysuccinimide (NHS) ester functional groups, designed for use in antibody-drug conjugate (ADC) synthesis and related bioconjugation research.

  • Non-cleavable three-unit PEG linker
  • Contains maleimide and NHS ester functional groups
  • Enables conjugation to thiols and amines for ADC assembly
  • Purity ≥95.0% and molecular weight 384.34 g/mol
  • Available in small milligram packaging for research applications

ENCOMPASS_PREFERRED