3-Mercaptopropanyl-N-hydroxysuccinimide ester is an alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTACs.

Lenalidomide-C9-aldehyde is a synthesized E3 ligase ligand-linker conjugate that incorporates the Lenalidomide based cereblon ligand and a linker. Lenalidomide-C9-aldehyde can be used in the synthesis of a series of PROTACs, such as INY-03-041. INY-03-041 is a potent, highly selective and PROTAC-based pan-Akt degrader. INY-03-041 inhibits Akt1, Akt2 and Akt3 with IC50s of 2.0 nM, 6.8 nM and 3.5 nM, respectively.

N3-PEG3-CH2CH2COOH a PEG-based PROTAC linker can be used in the synthesis of BI-3663, BI-4216 and BI-0319. Azido-PEG3-acid is also a non-cleavable 3 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).

Desmorpholinyl Quizartinib-PEG2-COOH incorporates a ligand for FLT-3, and a PEG-based PROTAC linker. Desmorpholinyl Quizartinib-PEG2-COOH can be used in the synthesis of PROTAC FLT-3 degrader 1. PROTAC FLT-3 degrader 1 is a PROTAC FLT-3 internal tandem duplication (ITD) degrader with an IC50 0.6 nM.

Thalidomide-NH-PEG4-COOH is an E3 ligase ligand-linker conjugate which can be used for synthesizing dCBP-1. dCBP-1 is a potent and selective heterobifunctional degrader of p300/CBP.

Piperidine-GNE-049-N-Boc is a ligand for target protein for PROTAC of dCBP-1. dCBP-1 is a potent and selective heterobifunctional degrader of p300/CBP.

VHL Ligand-Linker Conjugates 17 incorporates a VHL ligand for the E3 ubiquitin ligase, and a PROTAC linker. VHL Ligand-Linker Conjugates 17 can be used in the synthesis of a series of PROTACs, such as ARD-266. ARD-266 is a highly potent androgen receptor (AR) PROTAC degrader.

Lenalidomide-PEG3-iodine is a synthesized E3 ligase ligand-linker conjugate that incorporates the Lenalidomide based cereblon ligand and a 3-unit PEG linker. Lenalidomide-PEG3-iodine can be used in the synthesis of a series of PROTACs, such as SJF620. SJF620 is a potent PROTAC BTK degrader with a DC50 of 7.9 nM.

(S,R,S)-AHPC-C3-NH2 TFA (VH032-C3-NH2 TFA) is a synthesized E3 ligase ligand-linker conjugate that incorporates the VH032 based VHL ligand and a linker used in PROTAC technology. (S,R,S)-AHPC-C3-NH2 can be used in the synthesis of a series of PROTACs, such as UNC6852. UNC6852 is an EED-targeted bivalent chemical degrader.

Pomalidomide-amido-C1-Br is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and a linker. Pomalidomide-amido-C1-Br can be used to design a B-Raf PROTAC degrader PROTAC B-Raf degrader 1. PROTAC B-Raf degrader 1 has anti-cancer activity.

PROTAC PTK6 ligand-1 is an intermediate for BTK kinase inhibitor preparation. PROTAC PTK6 ligand-1 can be used in the synthesis of ARD-61.

Tos-O-C4-NH-Boc is an alkyl ether-based PROTAC linker can be used in the synthesis of PROTACs, such as BSJ-03-204

Thalidomide-NH-PEG8-Ts is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and 8-unit PEG linker used in PROTAC technology, such as IDO1 PROTAC degrader.

N-Boc-SBP-0636457-OH is a synthesized E3 ligase ligand-linker conjugate that incorporates IAP ligand and a linker. N-Boc-SBP-0636457-OH can be used to design a PROTAC Bcl-xL degrader-1.

N-Boc-SBP-0636457-OH, a ligand for E3 ubiquitin ligase, is used in the recruitment of IAP E3 ligases. N-Boc-SBP-0636457-OH can be connected to the ligand for Bcl-xL by a linker to form PROTAC Bcl-xL degrader-1.

N-Boc-piperazine-C3-COOH is a PROTAC linker, which refers to the alkyl/ether composition. Boc-N-piperazine-C3-COOH can be used in the synthesis of PROTAC PD-1/PD-L1 degrader-1.

N-Boc-piperazine is a Alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTAC PD-1/PD-L1 degrader-1.

Br-C3-methyl ester is a Alkyl/ether-based PROTAC linker that can be used in the synthesis of PROTAC PD-1/PD-L1 degrader-1.

Pomalidomide-amido-C3-piperazine-N-Boc is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and a linker used in the synthesis of PROTAC PD-1/PD-L1 degrader-1.

BET-IN-6 is a potent and high affnity BRD2/BRD4 inhibitor. BET-IN-6 is the ligand for target protein BRD2/4, and is used for the systhesis of PROTAC BRD2/BRD4 degrader-1.

(S,R,S)-AHPC-Me-C5-COOH is a synthesized E3 ligase ligand-linker conjugate that incorporates the a VHL ligand and a linker. (S,R,S)-AHPC-Me-C5-COOH can be used in PROTAC DT2216.

β-Naphthoflavone-CH2-Br (β-NF-CH2-Br) is an arylhydrocarbon receptor (AhR) ligand. β-Naphthoflavone-CH2-Br can be used to synthesize the PROTAC β-NF-JQ1.

Lenalidomide-propargyl-C2-amido-Ph-NH2 hydrochloride incorporates a cereblon (CRBN) ligand for the E3 ubiquitin ligase and a linker. Lenalidomide-propargyl-C2-amido-Ph-NH2 hydrochloride can be used to design the PROTAC MD-224.

Lenalidomide-I (Compound 72) is an analog of cereblon (CRBN) ligand Lenalidomide for E3 ubiquitin ligase, and is used in the recruitment of CRBN protein. Lenalidomide-I can be connected to the ligand for protein by a linker to form PROTACs, such as the PROTAC BET degrader QCA570.

Thalidomide-NH-C6-NH-Boc is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker used for MI-389 (compound 22)?synthesis. MI-389 is a potent phthalimide PROTAC degrader based on the multi-targeted receptor tyrosine kinase inhibitor sunitinib.

Boc-piperazine-benzoic acid is a PROTAC linker and can be used in the synthesis of PROTACs, such as PROTAC androgen receptor (AR) degrader ARD-2128.

KB02-COOH is a fragment of synthesis of ubiquitin E3 ligase ligand KB02. KB02 can be used in the synthesis of PROTAC, such as KB02-JQ1 and KB02-SLF.

ARD2128 is a highly potent, orally bioavailable PROTAC androgen receptor (AR) degrader. ARD-2128 effectively reduces AR protein, suppresses AR-regulated genes in tumor tissues, and inhibits growth of tumor without signs of toxicity. ARD-2128 has the potential for the research of the prostate cancer.

PF15 is a PROTAC connected by ligands for FLT3 kinase and CRBN. PF15 is a high selective FLT3-ITD degrader, with a DC50 of 76.7 nM. PF15 significantly inhibits the proliferation of FLT3-ITD-positive cells, can down-regulate the phosphorylation of FLT3 and STAT5. PF15 also inhibits tumor growth in mouse models and can be used in study of leukemia.

VH 032 Linker 2 is a derivative of the proteolysis-targeting chimera technology (PROTAC) building block VHL ligand 1.