MedChem Express

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MedChemExpress has an experienced team of custom synthesis chemists, led by an impressive group of Ph.D.'s. With this team, we have the capability of supporting all kinds of chemistry projects of multiple step syntheses of complex labeled molecules, including metabolites and steroids. Following scientific and technological innovation, challenging traditional thinking, MedChemExpress has always been committed to develop quality products that exceed international standards on cost and reliability, to create the most advanced synthetic route. With high experiences in preparing a large numbers of different biologically active molecules, we provide rapid synthesis of new products. That is why we can consistently deliver your custom synthesis compounds faster than any other company.

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4-(4-Nitrophenylazo)resorcinol | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-(4-Nitrophenylazo)resorcinol is an azo purple dye used experimentally as a pH indicator, showing yellow when the pH value is lower than 11 and purple when the pH value is higher than 13. In slightly alkaline or alkaline environments, it also turns dark blue in the presence of magnesium salts. Azo Violet can also be used […]

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4-(5)-(((4-ChloroMethyl)Benzoyl)AMino)TetraMethylrhodaMine | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-(5)-(((4-ChloroMethyl)Benzoyl)AMino)TetraMethylrhodaMine is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely […]

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4-(7-Diethylaminocoumarin-3-yl)benzoyl cyanide | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-(7-Diethylaminocoumarin-3-yl)benzoyl cyanide (DACB-CN) is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are […]

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4-(9H-Carbazol-3-ylamino)phenol | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-(9H-Carbazol-3-ylamino)phenol is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely […]

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4-Acetamidophenyl acetate (Standard) | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Acetamidophenyl acetate (Standard) is the analytical standard of 4-Acetamidophenyl acetate. This product is intended for research and analytical applications. 4-Acetamidophenyl acetate is an impurity of Acetaminophen (paracetamol). Acetaminophen, an analgesic agent, is a selective COX-2 inhibitor (IC50=25.8 μM), and is a potent hepatic N-acetyltransferase 2 (NAT2) inhibitor[1][2].

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4-Acetylaminoantipyrine | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Acetylaminoantipyrine (4-AA) is a derivative of antipyrine (HY-B0171). 4-Acetylaminoantipyrine acts as a PGE2-dependent blocker and inhibitor of cyclooxygenase (COX)[1]. 4-Acetylaminoantipyrine can inhibit Cu/ZnSOD[2]. 4-Acetylaminoantipyrine can spontaneously bind with bovine serum albumin (BSA) and alter its conformation[3].

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4-Amino-tempo | MedChemExpress (MCE) 10 g  | ≥98.0%

MedChem Express

4-Amino-TEMPO can be used as a spin label for detecting radicals and the damage caused by them. 4-Amino-TEMPO possesses superoxide dismutase-mimetic activity, enabling it to easily penetrate cells and protect them from oxidative damage induced by H2O2. Additionally, 4-Amino-TEMPO exhibits significant radiation protective properties, effectively safeguarding DNA from oxidative stress-induced damage caused by UV exposure […]

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4-Amino-tempo | MedChemExpress (MCE) 25 g  | ≥98.0%

MedChem Express

4-Amino-TEMPO can be used as a spin label for detecting radicals and the damage caused by them. 4-Amino-TEMPO possesses superoxide dismutase-mimetic activity, enabling it to easily penetrate cells and protect them from oxidative damage induced by H2O2. Additionally, 4-Amino-TEMPO exhibits significant radiation protective properties, effectively safeguarding DNA from oxidative stress-induced damage caused by UV exposure […]

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4-Aminobutyl-DOTA | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Aminobutyl-DOTAis a bifunctional chelator (Bifunctional Chelator; BFC) and a macrocyclic DOTA derivative used for tumor pre-targeting. 4-Aminobutyl-DOTA can be used for conjugation of peptides and radionuclides.

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4-Aminobutyl-DOTA-tris(t-butyl ester) | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Aminobutyl-DOTA-tris(t-butyl ester)is a bifunctional chelator (Bifunctional Chelator; BFC) and a macrocyclic DOTA derivative used for tumor pre-targeting. 4-Aminobutyl-DOTA-tris(t-butyl ester) can be used for conjugation of peptides and radionuclides.

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4-Aminodiphenylamine sulfate | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Aminodiphenylamine sulfate (Variamine Blue RT sulfate) is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of […]

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4-Carboxy-pennsylvania green | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Carboxy-pennsylvania green is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also […]

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4-Chlorophenoxyacetic acid (4-CPA) | MedChemExpress (MCE) 25 g  | ≥98.0%

MedChem Express

4-Chlorophenoxyacetic acid (4-CPA) is a widely used herbicide for weed control in agriculture. 4-Chlorophenoxyacetic acid can be degraded in aqueous media through an electrochemical oxidation process. The end products of 4-Chlorophenoxyacetic acid degradation are harmless, such as carbon dioxide, water, and chloride ions[1].

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4-Epitetracycline-d6 | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Epitetracycline-d6 is deuterated labeled 4-Epitetracycline hydrochloride (HY-136443) 4-Epitetracycline hydrochloride is an epimer of Tetracycline (HY-A0107). Tetracycline can undergo epimerization insolution to 4-Epitetracycline hydrochloride, which shows a much lower antibiotic activity.

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4-Ethyloctanoic acid-13C2 | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Ethyloctanoic acid-13C2 is 13C labeled Cuminaldehyde (HY-Y0790). Cuminaldehyde is the major component of Cuminum cyminum, a natural aldehyde with inhibitory effect on alpha-synuclein fibrillation and cytotoxicity. Cuminaldehyde shows anticancer activity[1].

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4-Ethylphenol-d2 | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Ethylphenol-d2 is deuterated labeled Isoeugenol (HY-N1952). Isoeugenol is an essential oil constituent of nutmeg, clove, and cinnamon. Isoeugenol inhibits growth of Escherichia coli and Listeria innocua with MICs of 0.6 mg/mL and 1 mg/mL, respectively[1].

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4-Hydroxyantipyrine (Standard) | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Hydroxyantipyrine (Standard) is the analytical standard of 4-Hydroxyantipyrine. This product is intended for research and analytical applications. 4-Hydroxyantipyrine (4-Hydroxyphenazone; NSC 174055) is the major metabolite of Antipyrine (HY-B0171), can be as a biodistribution promoter. 4-Hydroxyantipyrine can increase distribution of concentration ratio of Citicoline and Antipyrine in the brain[1][2].

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4-Hydroxyindole (Standard) | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Hydroxyindole (Standard) is the analytical standard of 4-Hydroxyindole. This product is intended for research and analytical applications. 4-Hydroxyindole is a member of the class of hydroxyindoles that is 1H-indole substituted by a hydroxy group at position 4. 4-Hydroxyindole is an important raw material or intermediate in the synthesis of pharmaceutical products and industrial polymers[1].

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4-Hydroxynonenal/BSA | MedChemExpress (MCE) 1 mg  | ≥98.0%

MedChem Express

4-Hydroxynonenal/BSA is one of protein/peptide and small molecule drug conjugates (PDCs), consisting of 4-Hydroxynonenal (HY-113466) and BSA. PCDs are promising targeted therapeutics with better cell permeability and drug selectivity than antibody-drug conjugates (ADCs). PDCs have been widely used in research on cancer, COVID-19, and metabolic diseases[1].

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