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Tos-PEG4

" in MedChemExpress (MCE) Product Catalog:

By Targets:	ADC Linker (2) Biochemical Assay Reagents (1) Fluorescent Dye (1) Integrin (2) Liposome (1) PROTAC Linkers (12) Radionuclide-Drug Conjugates (RDCs) (1) SARS-CoV (1) VEGFR (1)
By Research Areas:	Cancer (15) Infection (1)
Click Chemistry:	ADC Synthesis (1) PROTAC Synthesis (2) Azide (1) Alkynes (1)

Inhibitors & Agonists

Peptides

Click Chemistry

Cat. No.	Nombre del producto	Target	Áreas de investigación	Chemical Structure

HY-140351

Azide-PEG4-Tos	PROTAC Linkers	Cancer
Azide-PEG4-Tos is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs . Azide-PEG4-Tos is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

HY-W004816

Bis-Tos-PEG4 PROTAC Linker 16	PROTAC Linkers	Cancer
Bis-Tos-PEG4 (PROTAC Linker 16) is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-41541

Tetraethylene glycol monotosylate Tos-PEG4	ADC Linker PROTAC Linkers	Cancer
Tetraethylene glycol monotosylate is a cleavable and acylhydrazone-based ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . Tetraethylene glycol monotosylate also can be used as a PROTAC linker that can be used in the synthesis of PROTACs.

HY-130417

Tos-PEG4-acid	PROTAC Linkers	Cancer
Tos-PEG4-acid is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-130422

Tos-PEG4-t-butyl ester Tos-PEG4-Boc	PROTAC Linkers	Cancer
Tos-PEG4-t-butyl ester (Tos-PEG4-Boc) is a PROTAC linker, which refers to the PEG composition. Tos-PEG4-t-butyl ester (Tos-PEG4-Boc) can be used in the synthesis of a series of PROTACs, such as BI-3663 (HY-111546). BI-3663 is a highly selective PTK2/FAK PROTAC, with cereblon ligands to hijack E3 ligases for PTK2 degradation, and inhibits PTK2 with an IC₅₀ of 18 nM .

HY-130387

Propargyl-PEG4-Tos	PROTAC Linkers ADC Linker	Cancer
Propargyl-PEG4-Tos is a PEG-based PROTAC linker can be used in the synthesis of PROTACs. Propargyl-PEG4-Tos is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . Propargyl-PEG4-Tos is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

HY-128803

Tos-PEG4-NH-Boc PROTAC Linker 7	PROTAC Linkers	Cancer
Tos-PEG4-NH-Boc (PROTAC Linker 7) is a PEG-based PROTAC linker can be used in the synthesis of PROTACs .

HY-P11026

DOTA-TMVP1446 DOTA-PEG4-TMVP1446	VEGFR	Cancer
DOTA-TMVP1446 is a VEGFR-3 targeting peptide. DOTA-TMVP1446 labeled with ⁶⁸Ga accurately detectes the status of lymph node metastasis, even in micrometastatic tumors, in the B16-F10 tumor mice model. DOTA-TMVP1446 can be used as a radiotracer for cancer-metastatic sentinel lymph nodes (m-SLN) imaging .

HY-114661

m-PEG4-Tos	PROTAC Linkers	Cancer
m-PEG4-Tos is a derivative of silybin ethers, extracted from patent CN105037337A (compound III-b). m-PEG4-Tos is a PEG-based PROTAC linker can be used in the synthesis of Silymarin (HY-W043277) .

HY-130819

Tos-PEG4-THP	PROTAC Linkers	Cancer
Tos-PEG4-THP is a PEG-based PROTAC linker can be used in the synthesis of PROTAC K-Ras Degrader-1 (HY-129523) .

HY-42620

Tos-PEG4-CH2-Boc	PROTAC Linkers	Cancer
Tos-PEG4-CH2-Boc is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-130473

Tos-PEG4-CH2COOH	PROTAC Linkers	Cancer
Tos-PEG4-CH2COOH is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-140393

*N-(Tos-PEG4)-N-bis(PEG4-Boc)*	PROTAC Linkers	Cancer
N-(Tos-PEG4)-N-bis(PEG4-Boc) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs .

HY-P10590

Talogreptide mesaroxetan	Fluorescent Dye	Cancer
Talogreptide mesaroxetan is a diagnostic imaging agent, with antineoplastic effect .

HY-P10906

Talovirtide	Biochemical Assay Reagents	Others
Talovirtide is a peptide containing L-valyl .

HY-P11455

Lipopeptide CPE4	Liposome	Others
Lipopeptide CPE4 is a PEG-modified peptide E4 [(EIAALEK) ⁴]. Lipopeptide CPE4 is capable of coiled-coil formation when attached to liposomes. Lipopeptide CPE4 triggers membrane fusion between liposomes and living cells with concomitant efficient cytosolic delivery of a variety of compounds such as fluorescent dyes Propidium Iodide (PI) (HY-D0815) and TO-PRO-3 iodide (HY-117070), and Doxorubicin (DOX) (HY-15142A). Lipopeptide CPE4 can be used for drug delivery research .

HY-P10872

P315V3	SARS-CoV	Infection
P315V3 is an pan inhibitor for coronavirus, that inhibits SARS-CoV-2 prototypePT, Delta, BA.1 and BA.4 strain with IC₅₀s of 10.9, 8.9, 8.6, and 2.7 nM. P315V3 exhibits cytotoxicity in Vero cell with CC₅₀ of 4.3 μM. P315V3 exhibits anti-infectious efficacy in mouse models .

HY-P11773

3P-RGD2	Radionuclide-Drug Conjugates (RDCs) Integrin	Others
3P-RGD2 is a dimeric cyclic RGD (Arg-Gly-Asp) peptide. When radiolabeled with ^99mTc, 3P-RGD2 serves as a selective radiotracer for integrin α_vβ₃. When radiolabeled with ^99mTc, 3P-RGD2 enables single-photon emission computed tomography imaging of integrin α_vβ₃ .

HY-P11774

HYNIC-3P-RGD2	Integrin	Cancer
HYNIC-3P-RGD2 is a dimeric cyclic RGD peptide with high binding affinity for integrin α_vβ₃ (IC₅₀ = 33 nM). HYNIC-3P-RGD2 acts as a precursor molecule for radiotracers and is used to detect tumor angiogenesis .

Cat. No.	Nombre del producto	Target	Research Area

HY-P11026

DOTA-TMVP1446 DOTA-PEG4-TMVP1446	VEGFR	Cancer
DOTA-TMVP1446 is a VEGFR-3 targeting peptide. DOTA-TMVP1446 labeled with ⁶⁸Ga accurately detectes the status of lymph node metastasis, even in micrometastatic tumors, in the B16-F10 tumor mice model. DOTA-TMVP1446 can be used as a radiotracer for cancer-metastatic sentinel lymph nodes (m-SLN) imaging .

HY-P10590

Talogreptide mesaroxetan	Fluorescent Dye	Cancer
Talogreptide mesaroxetan is a diagnostic imaging agent, with antineoplastic effect .

HY-P10906

Talovirtide	Biochemical Assay Reagents	Others
Talovirtide is a peptide containing L-valyl .

HY-P11455

Lipopeptide CPE4	Liposome	Others
Lipopeptide CPE4 is a PEG-modified peptide E4 [(EIAALEK) ⁴]. Lipopeptide CPE4 is capable of coiled-coil formation when attached to liposomes. Lipopeptide CPE4 triggers membrane fusion between liposomes and living cells with concomitant efficient cytosolic delivery of a variety of compounds such as fluorescent dyes Propidium Iodide (PI) (HY-D0815) and TO-PRO-3 iodide (HY-117070), and Doxorubicin (DOX) (HY-15142A). Lipopeptide CPE4 can be used for drug delivery research .

HY-P10872

P315V3	SARS-CoV	Infection
P315V3 is an pan inhibitor for coronavirus, that inhibits SARS-CoV-2 prototypePT, Delta, BA.1 and BA.4 strain with IC₅₀s of 10.9, 8.9, 8.6, and 2.7 nM. P315V3 exhibits cytotoxicity in Vero cell with CC₅₀ of 4.3 μM. P315V3 exhibits anti-infectious efficacy in mouse models .

HY-P11773

3P-RGD2	Radionuclide-Drug Conjugates (RDCs) Integrin	Others
3P-RGD2 is a dimeric cyclic RGD (Arg-Gly-Asp) peptide. When radiolabeled with ^99mTc, 3P-RGD2 serves as a selective radiotracer for integrin α_vβ₃. When radiolabeled with ^99mTc, 3P-RGD2 enables single-photon emission computed tomography imaging of integrin α_vβ₃ .

HY-P11774

HYNIC-3P-RGD2	Integrin	Cancer
HYNIC-3P-RGD2 is a dimeric cyclic RGD peptide with high binding affinity for integrin α_vβ₃ (IC₅₀ = 33 nM). HYNIC-3P-RGD2 acts as a precursor molecule for radiotracers and is used to detect tumor angiogenesis .

Cat. No.	Nombre del producto		Classification

HY-140351

Azide-PEG4-Tos		Azide PROTAC Synthesis
Azide-PEG4-Tos is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs . Azide-PEG4-Tos is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

HY-130387

Propargyl-PEG4-Tos		PROTAC Synthesis Alkynes ADC Synthesis
Propargyl-PEG4-Tos is a PEG-based PROTAC linker can be used in the synthesis of PROTACs. Propargyl-PEG4-Tos is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs) . Propargyl-PEG4-Tos is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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