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SCO-PEG2-Maleimide

CAS No.: 2141976-23-8

Cat No.: BADC-01779 4.5

SCO-PEG2-Maleimide is a strain-promoted cyclooctyne PEG linker with maleimide functionality, enabling copper-free click conjugation and stable thiol linkage for antibody-drug conjugates. Ideal for site-specific payload attachment. Keywords: ADC linker, PEG linker, strain-promoted click, maleimide linker.

SCO-PEG2-Maleimide

Structure of 2141976-23-8

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ADC Linker

Molecular Formula

C22H31N3O7

Molecular Weight

449.50

* For research and manufacturing use only. We do not sell to patients.

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Delivery of 200+ ADCs annually;
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CDMO and CMO support.

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IUPAC Name

cyclooct-2-yn-1-yl N-[2-[2-[2-[3-(2,5-dioxopyrrol-1-yl)propanoylamino]ethoxy]ethoxy]ethyl]carbamate

Canonical SMILES

C1CCC#CC(CC1)OC(=O)NCCOCCOCCNC(=O)CCN2C(=O)C=CC2=O

InChI

InChI=1S/C22H31N3O7/c26-19(10-13-25-20(27)8-9-21(25)28)23-11-14-30-16-17-31-15-12-24-22(29)32-18-6-4-2-1-3-5-7-18/h8-9,18H,1-4,6,10-17H2,(H,23,26)(H,24,29)

InChIKey

QIUCIYGBCCFIDM-UHFFFAOYSA-N

Density

1.26±0.1 g/cm3

Boiling Point

693.4±55.0 °C at 760 mmHg

Catalog	Product Name	CAS	Inquiry
BADC-01798	SCO-PEG3-NH2	2141976-29-4
BADC-01803	Sco-peg2-NH2	2141976-34-1
BADC-01796	SCO-PEG3-Maleimide	2141976-35-2
BADC-01854	SCO-PEG7-Maleimide	2143968-81-2

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