Linker Selection Tool
With Vector Laboratories’ chemical synthesis mastery, bioconjugation expertise and linker know-how, you have a comprehensive range of linkers at your fingertips.
To design your fit-for -purpose Linear Crosslinker, select Reactive Groups and a Spacer from the options below.
To design your fit-for -purpose Linear Crosslinker, select Reactive Groups and a Spacer from the options below.

Linear Crosslinkers
Linear crosslinker can be used to conjugated two entities, and the spacer type and length can be chosen to modify physicochemical properties, shield hydrophobic patches, and optimize proximity-related effects.

REACTIVE GROUP 1
SPACER
REACTIVE GROUP 2
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MAL-dPEG®₂-acid
Catalog #: QBD-10265Unit Size: 100 mg, 1000 mg$64.00 – $107.00 Select options This product has multiple variants. The options may be chosen on the product page -
Picolyl Azide-Gly-Gly-Gly
Catalog #: CCT-1553Unit Size: 10mg, 25mg, 100mg$310.00 – $2,206.00 Select options This product has multiple variants. The options may be chosen on the product page -
TCO-PEG4-Acid
Catalog #: CCT-1088Unit Size: 25 mg, 100 mg, 500 mg$276.00 – $2,379.00 Select options This product has multiple variants. The options may be chosen on the product page -
Methyltetrazine-PEG4-Alkyne
Catalog #: CCT-1013Unit Size: 10 mg, 25 mg, 100 mg$150.00 – $687.00 Select options This product has multiple variants. The options may be chosen on the product page -
Propargyl-dPEG®₁-NHS ester
Catalog #: QBD-10511Unit Size: 100 mg, 1000 mg$146.00 – $578.00 Select options This product has multiple variants. The options may be chosen on the product page -
ThioLinker-DBCO
Catalog #: CCT-1096Unit Size: 10 mg, 25 mg, 100 mg$156.00 – $1,024.00 Select options This product has multiple variants. The options may be chosen on the product page -
Thiol-dPEG®₁₂-acid
Catalog #: QBD-10850Unit Size: 100 mg, 1000mg$268.00 – $937.00 Select options This product has multiple variants. The options may be chosen on the product page -
Bis-sulfone NHS Ester
Catalog #: CCT-1104Unit Size: 1000 mg, 5 g$415.00 – $1,151.00 Select options This product has multiple variants. The options may be chosen on the product page -
Lipoamido-dPEG®₈-TFP ester
Catalog #: QBD-10642Unit Size: 100 mg, 1000mg$268.00 – $1,232.00 Select options This product has multiple variants. The options may be chosen on the product page -
4-formyl-benzamido-dPEG®₁₂-EDA-MAL
Catalog #: QBD-10075Unit Size: 100 mg, 1000 mg$268.00 – $1,607.00 Select options This product has multiple variants. The options may be chosen on the product page

BioDesign: Building and delivering bioconjugate linkers
Deliver your therapeutic’s potential with proprietary linker architectures and
chemical biology expertise
chemical biology expertise