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Results for "

heterocyclic synthesis

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Bacterial (6) Biochemical Assay Reagents (16) Dopamine Receptor (1) Drug Intermediate (25) Endogenous Metabolite (2) Fluorescent Dye (1) Fungal (2) Isotope-Labeled Compounds (5) MOFs (1) Orthopoxvirus (2) Reference Standards (7) Virus Protease (2)
By Research Areas:	Cancer (8) Infection (10) Neurological Disease (1)

Inhibitors & Agonists

Screening Libraries

Fluorescent Dyes

Biochemical Assay Reagents

Natural
Products

Isotope-Labeled Compounds

Targets Recommended: DNA/RNA Synthesis

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-Y0091

Xantphos 9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene	Biochemical Assay Reagents	Others
Xantphos (9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene) is a bisphosphine ligand. Xantphos coordinates to metals in either cis or trans chelation mode. Xantphos acts as a key ligand in palladium or platinum catalyzed reactions. Xantphos can be used in the construction of heterocyclic compounds in organic synthesis .

HY-W017289

4,4′-Dipyridyl	Drug Intermediate	Others
4,4′-Dipyridyl is a heterocyclic compound. 4,4′-Dipyridyl is utilized as an electronic and photosensitive building block and bidentate ligand in supramolecular chemistry. 4,4′-Dipyridyl can also be used as a drug intermediate in the synthesis of paraquat, a widely used herbicide .

HY-D0827

Cy2 Cyanine2	Fluorescent Dye	Others
Cyanines are formally compounds with two nitrogen atoms linked by an odd number of methene units. 26 28 The nitrogen atoms are parts of the heterocyclic units (such as indole, benzoxazol, or benzothiazol) . The structures and optical properties of representative cyanine dyes used for in vivo imaging are presented . Cyanines are characterized by long wavelength, tunable absorption and emission, very high extinction coefficient (up to 300,000 M 1 cm 1), good water solubility, and relatively straightforward synthesis .

HY-N6856

4-Hydroxycoumarin	Bacterial Endogenous Metabolite	Infection Cancer
4-Hydroxycoumarin is an orally active coumarin derivative, one of the most versatile heterocyclic scaffolds, often used in the synthesis of various organic compounds. 4-Hydroxycoumarin possesses both electrophilic and nucleophilic properties. 4-Hydroxycoumarin is an HIV protease inhibitor and tyrosine kinase inhibitor. 4-Hydroxycoumarin has anti-inflammatory, antibacterial and anti-tumor effects .

HY-21179

Trimethylsilyl trifluoromethylsulfonate	Biochemical Assay Reagents	Others
Trimethylsilyl trifluoromethylsulfonate is a metal-free catalyst. Trimethylsilyl trifluoromethylsulfonate can be used for the synthesis of biologically active fluorinated heterocyclic compounds .

HY-103656

Tetraphenylporphyrin TPP; Tetraphenylporphine; meso-Tetraphenylporphyrin	MOFs	Cancer
Tetraphenylporphyrin (TPP) is a symmetrically substituted porphyrin-based heterocyclic compound and used as a structural block for supramolecular synthesis. Tetraphenylporphyrin derivatives can be used for cancer research .

HY-40351

4-Chloro-7H-pyrrolo[2,3-d]pyrimidine	Drug Intermediate	Others
4-Chloro-7H-pyrrolo[2,3-d]pyrimidine is a nitrogen-containing heterocyclic organic synthesis intermediate that can be used for the synthesis of JAK and PKB/Akt inhibitors .

HY-12396

Aminothiazole 2 Publications Verification 2-Aminothiazole; 2-Thiazolylamine	Bacterial Fungal Virus Protease	Infection
Aminothiazole (2-Aminothiazole), a typical heterocyclic amine, is a precursor for the synthesis of biologically active molecules including sulfur agents, biocides, fungicides, antibiotics, dyes and chemical reaction accelerators .

HY-Y1078

DMF-DMA N-Dimethoxymethyl-N,N-dimethylamine	Biochemical Assay Reagents	Others
DMF-DMA (N-Dimethoxymethyl-N,N-dimethylamine) is a reagent with both condensation and alkylation functions. DMF-DMA can undergo condensation reactions with active methylene groups or amino groups to generate enamine and imino derivatives, and can also act as an alkylating agent to methylate nitrogen and oxygen atoms in heterocyclic structures. DMF-DMA is widely used in the synthesis of enaminones and dimethylamino imine intermediates, as well as in the construction of heterocyclic backbones such as pyridine, pyrimidine and pyrazole. DMF-DMA can also serve as a polar aprotic co-solvent; although DMF-DMA cannot dissolve cellulose alone, it can form an efficient cellulose dissolution system with diallylimidazolium methoxyacetate .

HY-Y0032

Thiosemicarbazide 1 Publications Verification	Orthopoxvirus	Infection Others Cancer
Thiosemicarbazide is a vitamin B6 antagonist with anti-acne activity. Thiosemicarbazide is also a well-known source in the synthesis of heterocycles, and its derivatives have potential anticancer activity. Thiosemicarbazide (TSC: HL1) reacts with metal salts, urea (U), to prepare Co(II) and Cu(I) metal complexes. Thiosemicarbazide is also used in the fields of media communications and optical storage, and in the spectrophotometric detection of metals .

HY-W002457

3-Nitropyrazole	Biochemical Assay Reagents Drug Intermediate	Others
3-Nitropyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research. 3-Nitropyrazole is also a nitrogen-containing heterocyclic compound, which can be used in the synthesis of other active compounds .

HY-41340

2-Aminopyrimidine	Biochemical Assay Reagents Drug Intermediate	Others
2-Aminopyrimidine is an important heterocyclic intermediate. 2-Aminopyrimidine can undergo various reactions such as alkylation and acylation, and can be used for the synthesis of other active compounds .

HY-W011579

4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone	Biochemical Assay Reagents	Others
4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone, is a heterocyclic compound with a five-membered ring structure, which can be used as a starting material for organic synthesis, a reagent for organic transformation, and a biological probe for studying biological processes. 4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone is a biomaterial or organic compound that can be used as a research-related biomaterial or organic compound in life sciences .

HY-W010628

Azetidine hydrochloride Trimethyleneimine hydrochloride	Biochemical Assay Reagents Drug Intermediate	Others
Azetidine (Trimethyleneimine) hydrochloride is a biochemical reagent that can be used as a biological material or organic compound for life science related research. Azetidine hydrochloride is also a nitrogen-containing heterocyclic compound, which can be used in the synthesis of other active compounds .

HY-69360

2,5-Dibromothiazole	Biochemical Assay Reagents	Others
2,5-Dibromothiazole is a heterocyclic compound. 2,5-Dibromothiazole is a key intermediate in organic synthesis .

HY-W013409

2,4-Dichlorobenzenesulfonyl chloride	Bacterial	Infection Cancer
2,4-Dichlorobenzenesulfonyl chloride (Compound 6d) is a heterocyclic building block, which can be used in the synthesis of nicotinyl arylsulfonylhydrazides with anticancer and antibacterial activities .

HY-W010627

2,5-Dimethylpyrrole	Drug Intermediate	Others
2,5-Dimethylpyrrole is an aromatic heterocyclic compound. 2,5-Dimethylpyrrole as an important intermediate, and can be used in the synthesis of other active compounds .

HY-75637

3-Amino-5-methylpyrazole	Drug Intermediate	Others
5-Methyl-1H-pyrazol-3-amine is a pyrazole heterocyclic compound and can be used as a key intermediate for the synthesis of pyrazolylamide derivatives.

HY-30012

5-Bromo-7-azaindole	Biochemical Assay Reagents Drug Intermediate	Others
5-Bromo-7-azaindole is an important intermediate. 5-Bromo-7-azaindole can be used for the synthesis of other nitrogen-containing heterocyclic compounds .

HY-W016825

2-(Pyridin-2-yl)acetic acid hydrochloride	Drug Intermediate	Others
2-(Pyridin-2-yl)acetic acid hydrochloride is a heterocyclic aromatic carboxylic acid compound. 2-(Pyridin-2-yl)acetic acid hydrochloride can be used as an organic synthesis intermediate or a metal complex .

HY-W007712

2-Bromo-3-methylpyridine 1 Publications Verification 2-Bromo-3-picoline	Drug Intermediate	Cancer
2-Bromo-3-methylpyridine (2-Bromo-3-picoline) is a heterocyclic intermediate of the halomethylpyridine family. 2-Bromo-3-methylpyridine can be used in the synthesis of platinum(IV) diazide complexes .

HY-W016331

9H-Carbazol-4-ol 4-Hydroxycarbazole	Biochemical Assay Reagents	Others
9H-Carbazol-4-ol (4-Hydroxycarbazole) can be used as an aromatic heterocyclic compound with widespread applications in organic synthesis, as well as certain biochemical and physiological effects. 9H-Carbazol-4-ol is a kind of biological materials or organic compounds that are widely used in life science research .

HY-N6856R

4-Hydroxycoumarin (Standard)	Reference Standards Bacterial Endogenous Metabolite	Infection Cancer
4-Hydroxycoumarin (Standard) is the analytical standard of 4-Hydroxycoumarin. This product is intended for research and analytical applications. 4-Hydroxycoumarin is an orally active coumarin derivative, one of the most versatile heterocyclic scaffolds, often used in the synthesis of various organic compounds. 4-Hydroxycoumarin possesses both electrophilic and nucleophilic properties. 4-Hydroxycoumarin is an HIV protease inhibitor and tyrosine kinase inhibitor. 4-Hydroxycoumarin has anti-inflammatory, antibacterial and anti-tumor effects .

HY-Y0425

Terephthalaldehyde	Drug Intermediate Biochemical Assay Reagents	Others
Terephthalaldehyde is a crosslinking agent. Terephthalaldehyde forms a crosslinked structure inside the gelatin matrix by forming Schiff base imines with the amino groups of gelatin, thereby constructing a three-dimensional network. Terephthalaldehyde improves the hydrophobicity of the gelatin matrix, delays water vapor penetration and enhances the liquid water resistance of gelatin films. Terephthalaldehyde can be used as a crosslinking agent to prepare crosslinked chitosan hydrogel (CAAT) via ultrasound-induced synthesis. Terephthalaldehyde helps CAAT hydrogels selectively adsorb anionic dyes from aqueous media, including multi-component systems containing cationic dyes. Terephthalaldehyde serves as a starting material for the synthesis of bis-heterocyclic compounds (including bis-thiazole and bis-triazolopyrimidine compounds) .

HY-W010540

4,5-Dimethylthiazole	Drug Intermediate	Others
4,5-Dimethylthiazole is a nitrogen-containing heterocyclic compound. 4,5-Dimethylthiazole can be used in the synthesis of other active compounds .

HY-W130106

4-Phenylpyridin-2-ol	Drug Intermediate	Others
4-Phenylpyridin-2-ol (Page 109) is a drug intermediate that can be used for the synthesis of heterocyclic compounds.

HY-65254

5-Amino-2-fluoropyridine	Biochemical Assay Reagents Drug Intermediate	Others
5-Amino-2-fluoropyridine is a fluorinated heterocyclic compound, which can be used for the synthesis of other active compounds .

HY-I0144

Thiazolidine	Drug Intermediate	Others
Thiazolidine is a five-membered heterocyclic compound containing sulfur and nitrogen heteroatoms. Thiazolidine is an important intermediate in organic synthesis. Thiazolidine derivatives possess diverse bioactivities, such as anti-tumor, antibacterial and insecticidal activities, and the capacity to reduce blood glucose levels .

HY-32828

3-Amino-5-bromo-2-chloropyridine	Biochemical Assay Reagents Drug Intermediate	Others
3-Amino-5-bromo-2-chloropyridine is a nitrogen-containing heterocyclic organic compound. 3-Amino-5-bromo-2-chloropyridine is an important intermediate, which can be used for the synthesis of other active compounds .

HY-W017289S

4,4′-Dipyridyl-d8	Isotope-Labeled Compounds Drug Intermediate	Others
4,4′-Dipyridyl-d₈ is the deuterium labeled 4,4'-Dipyridyl (HY-017289). 4,4′-Dipyridyl is a heterocyclic compound. 4,4′-Dipyridyl is utilized as an electronic and photosensitive building block and bidentate ligand in supramolecular chemistry. 4,4′-Dipyridyl can also be used as a drug intermediate in the synthesis of paraquat, a widely used herbicide .

HY-Y0032R

Thiosemicarbazide (Standard)	Orthopoxvirus Reference Standards	Infection Others Cancer
Thiosemicarbazide is a vitamin B6 antagonist with anti-acne activity. Thiosemicarbazide is also a well-known source in the synthesis of heterocycles, and its derivatives have potential anticancer activity. Thiosemicarbazide (TSC: HL1) reacts with metal salts, urea (U), to prepare Co(II) and Cu(I) metal complexes. Thiosemicarbazide is also used in the fields of media communications and optical storage, and in the spectrophotometric detection of metals .

HY-W779244

1H-Pyrazole-3,4,5-d3	Isotope-Labeled Compounds Biochemical Assay Reagents Drug Intermediate	Infection
1H-Pyrazole-3,4,5-d₃ is the deuterium labeled 1H-pyrazole (HY-76228). 1H-pyrazole is a nitrogen-containing heterocyclic compound composed of a five-membered ring and two nitrogen atoms. 1H-pyrazole is an intermediate in organic synthesis. 1H-pyrazole coordinates with metal ions. 1H-pyrazole derivatives have antibacterial, anti-inflammatory, anti-malarial, and anti-leishmanial activities .

HY-W001213

2-Amino-4-methoxyphenol	Drug Intermediate	Others
2-Amino-4-methoxyphenol is a volatile constituent in the aroma concentrate of Tieguanyin teas . 2-Amino-4-methoxyphenol is used for the synthesis of pyridine analogues .

HY-118402

PD 119819	Dopamine Receptor	Neurological Disease
PD 119819 is a highly selective benzopyran-4-one brain dopamine autoreceptor agonist. PD 119819, a heterocyclic piperazine, inhibits spontaneous locomotor activity and brain dopamine synthesis .

HY-12396R

Aminothiazole (Standard)	Bacterial Fungal Virus Protease Reference Standards	Infection
Aminothiazole (Standard) is the analytical standard of Aminothiazole. This product is intended for research and analytical applications. Aminothiazole (2-Aminothiazole), a typical heterocyclic amine, is a precursor for the synthesis of biologically active molecules including sulfur agents, biocides, fungicides, antibiotics, dyes and chemical reaction accelerators .

HY-W030105

2-Amino-2-thiazoline	Drug Intermediate	Others
2-Amino-2-thiazoline is a nitrogen-sulfur heterocyclic compound. 2-Amino-2-thiazoline acts as a bidentate ligand involved in the synthesis of nickel (II) complexes, thereby constructing metal complexes with potential DNA-binding capabilities .

HY-41340R

2-Aminopyrimidine (Standard)	Biochemical Assay Reagents Reference Standards Drug Intermediate	Others
2-Aminopyrimidine (Standard) is the analytical standard of 2-Aminopyrimidine (HY-41340). This product is intended for research and analytical applications. 2-Aminopyrimidine is an important heterocyclic intermediate. 2-Aminopyrimidine can undergo various reactions such as alkylation and acylation, and can be used for the synthesis of other active compounds.

HY-W003943

6-Hydroxypyridin-3-ylboronic acid	Biochemical Assay Reagents	Infection
6-Hydroxypyridin-3-ylboronic acid is a heterocyclic building block, which can be used in the synthesis of non-nucleoside inhibitors of hepatitis C virus (HCV) RNA-dependent RNA polymerase nonstructural protein 5B (NS5B). 6-Hydroxypyridin-3-ylboronic acid has also been used in the synthesis of mammalian target of rapamycin (mTOR) inhibitors .

HY-W016825S1

2-(Pyridin-2-yl)acetic acid-d4 hydrochloride	Isotope-Labeled Compounds Drug Intermediate	Others
2-(Pyridin-2-yl)acetic acid-d₄ hydrochloride is the deuterated derivative of 2-(Pyridin-2-yl)acetic acid hydrochloride (HY-W016825). 2-(Pyridin-2-yl)acetic acid hydrochloride is a heterocyclic aromatic carboxylic acid compound. 2-(Pyridin-2-yl)acetic acid hydrochloride can be used as an organic synthesis intermediate or a metal complex.

HY-N3373R

Loganetin (Standard)	Reference Standards Bacterial	Infection
4-Hydroxycoumarin (Standard) is the analytical standard of 4-Hydroxycoumarin. This product is intended for research and analytical applications. 4-Hydroxycoumarin is an orally active coumarin derivative, one of the most versatile heterocyclic scaffolds, often used in the synthesis of various organic compounds. 4-Hydroxycoumarin possesses both electrophilic and nucleophilic properties. 4-Hydroxycoumarin is an HIV protease inhibitor and tyrosine kinase inhibitor. 4-Hydroxycoumarin has anti-inflammatory, antibacterial and anti-tumor effects .

HY-103656R

Tetraphenylporphyrin (Standard) TPP (Standard); Tetraphenylporphine (Standard); meso-Tetraphenylporphyrin (Standard)	Reference Standards Others	Cancer
Tetraphenylporphyrin (Standard) is the analytical standard of Tetraphenylporphyrin (HY-103656). This product is intended for research and analytical applications. Tetraphenylporphyrin (TPP) is a symmetrically substituted porphyrin-based heterocyclic compound and used as a structural block for supramolecular synthesis. Tetraphenylporphyrin derivatives can be used for cancer research .

HY-W016825S

2-(Pyridin-2-yl)acetic acid-d6 hydrochloride	Isotope-Labeled Compounds Drug Intermediate	Others
2-(Pyridin-2-yl)acetic acid-d₆ hydrochloride is the deuterated derivative of 2-(Pyridin-2-yl)acetic acid hydrochloride (HY-W016825). 2-(Pyridin-2-yl)acetic acid hydrochloride is a heterocyclic aromatic carboxylic acid compound. 2-(Pyridin-2-yl)acetic acid hydrochloride can be used as an organic synthesis intermediate or a metal complex.

HY-W016825S2

2-(Pyridin-2-yl)acetic acid-d2 hydrochloride	Isotope-Labeled Compounds Drug Intermediate	Others
2-(Pyridin-2-yl)acetic acid-d₂ hydrochloride is the deuterated derivative of 2-(Pyridin-2-yl)acetic acid hydrochloride (HY-W016825). 2-(Pyridin-2-yl)acetic acid hydrochloride is a heterocyclic aromatic carboxylic acid compound. 2-(Pyridin-2-yl)acetic acid hydrochloride can be used as an organic synthesis intermediate or a metal complex.

HY-W001213R

2-Amino-4-methoxyphenol (Standard)	Drug Intermediate Reference Standards	Others
2-Amino-4-methoxyphenol (Standard) is the analytical standard of 2-Amino-4-methoxyphenol (HY-W001213). This product is intended for research and analytical applications. 2-Amino-4-methoxyphenol is a volatile constituent in the aroma concentrate of Tieguanyin teas . 2-Amino-4-methoxyphenol is used for the synthesis of pyridine analogues .

Cat. No.	Product Name

HY-LD002

DEL B Kit Regular Library	100 billion compounds
The discovery of hit molecule is a cornerstone of drug development. Among the diverse tools available, DNA-encoded libraries have emerged a revolutionary platform for high-throughput screening. Compared with traditional HTS, DEL features shorter screening processes, lower costs, simpler assays, and larger library capacities. DEL Construction utilizes split-and-pool synthesis, a combinatorial chemistry approach that involves iterative splitting, reaction, and pooling. This strategy enables rapid, exponential assembly of fragments in minimal steps without the need for individual compound synthesis andassoicicated isolation or purification steps, thus greatly reducing overall costs. The technology enables simultaneous affinity screeningof massive compound collections to target proteins in a single step. By coupling chemical structures with unique DNA barcodes, each compound is tagged with a distinct DNA sequence for convenient tracking and decoding.DELs readily enable the construction and efficient screening of libraries containing millions to billions of compounds. As a result, DEL screening combines the dual advantages of high efficiency and low cost, making DEL a transformative technology in modern drug discovery. The DEL kit consists of 50 independent libraries with a total scale of 100 billion compounds. It is constructed through stepwise combinatorial chemistry strategies involving 2-, 3-, and 4-round synthesis. By employing diverse scaffolds and flexible linking strategies, it encompasses various ring systems, linear frameworks, and heterocyclic structures. Screening can be achieved solely through affinity, independent of target-specific activity detection methods. This library is suitable for DEL screening against a wide range of targets.

DEL B Kit Regular Library

100 billion compounds

The discovery of hit molecule is a cornerstone of drug development. Among the diverse tools available, DNA-encoded libraries have emerged a revolutionary platform for high-throughput screening. Compared with traditional HTS, DEL features shorter screening processes, lower costs, simpler assays, and larger library capacities.

DEL Construction utilizes split-and-pool synthesis, a combinatorial chemistry approach that involves iterative splitting, reaction, and pooling. This strategy enables rapid, exponential assembly of fragments in minimal steps without the need for individual compound synthesis andassoicicated isolation or purification steps, thus greatly reducing overall costs. The technology enables simultaneous affinity screeningof massive compound collections to target proteins in a single step. By coupling chemical structures with unique DNA barcodes, each compound is tagged with a distinct DNA sequence for convenient tracking and decoding.DELs readily enable the construction and efficient screening of libraries containing millions to billions of compounds. As a result, DEL screening combines the dual advantages of high efficiency and low cost, making DEL a transformative technology in modern drug discovery.

The DEL kit consists of 50 independent libraries with a total scale of 100 billion compounds. It is constructed through stepwise combinatorial chemistry strategies involving 2-, 3-, and 4-round synthesis. By employing diverse scaffolds and flexible linking strategies, it encompasses various ring systems, linear frameworks, and heterocyclic structures. Screening can be achieved solely through affinity, independent of target-specific activity detection methods. This library is suitable for DEL screening against a wide range of targets.

Cat. No.	Product Name	Type

HY-D0827

Cy2

Cyanine2

Fluorescent Dyes

Cyanines are formally compounds with two nitrogen atoms linked by an odd number of methene units. 26 28 The nitrogen atoms are parts of the heterocyclic units (such as indole, benzoxazol, or benzothiazol) . The structures and optical properties of representative cyanine dyes used for in vivo imaging are presented . Cyanines are characterized by long wavelength, tunable absorption and emission, very high extinction coefficient (up to 300,000 M 1 cm 1), good water solubility, and relatively straightforward synthesis .

Cat. No.	Product Name	Type

HY-Y0091

Xantphos 9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene	Biochemical Assay Reagents
Xantphos (9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene) is a bisphosphine ligand. Xantphos coordinates to metals in either cis or trans chelation mode. Xantphos acts as a key ligand in palladium or platinum catalyzed reactions. Xantphos can be used in the construction of heterocyclic compounds in organic synthesis .

HY-W017289

4,4′-Dipyridyl	Biochemical Assay Reagents
4,4′-Dipyridyl is a heterocyclic compound. 4,4′-Dipyridyl is utilized as an electronic and photosensitive building block and bidentate ligand in supramolecular chemistry. 4,4′-Dipyridyl can also be used as a drug intermediate in the synthesis of paraquat, a widely used herbicide .

HY-40351

4-Chloro-7H-pyrrolo[2,3-d]pyrimidine	Biochemical Assay Reagents
4-Chloro-7H-pyrrolo[2,3-d]pyrimidine is a nitrogen-containing heterocyclic organic synthesis intermediate that can be used for the synthesis of JAK and PKB/Akt inhibitors .

HY-W002457

3-Nitropyrazole	Biochemical Assay Reagents
3-Nitropyrazole is a biochemical reagent that can be used as a biological material or organic compound for life science related research. 3-Nitropyrazole is also a nitrogen-containing heterocyclic compound, which can be used in the synthesis of other active compounds .

HY-41340

2-Aminopyrimidine	Biochemical Assay Reagents
2-Aminopyrimidine is an important heterocyclic intermediate. 2-Aminopyrimidine can undergo various reactions such as alkylation and acylation, and can be used for the synthesis of other active compounds .

HY-W011579

4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone

Biochemical Assay Reagents

4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone, is a heterocyclic compound with a five-membered ring structure, which can be used as a starting material for organic synthesis, a reagent for organic transformation, and a biological probe for studying biological processes. 4-Benzoyl-3-methyl-1-phenyl-5-pyrazolone is a biomaterial or organic compound that can be used as a research-related biomaterial or organic compound in life sciences .

HY-W010628

Azetidine hydrochloride Trimethyleneimine hydrochloride	Biochemical Assay Reagents
Azetidine (Trimethyleneimine) hydrochloride is a biochemical reagent that can be used as a biological material or organic compound for life science related research. Azetidine hydrochloride is also a nitrogen-containing heterocyclic compound, which can be used in the synthesis of other active compounds .

HY-69360

2,5-Dibromothiazole	Biochemical Assay Reagents
2,5-Dibromothiazole is a heterocyclic compound. 2,5-Dibromothiazole is a key intermediate in organic synthesis .

HY-75637

3-Amino-5-methylpyrazole	Biochemical Assay Reagents
5-Methyl-1H-pyrazol-3-amine is a pyrazole heterocyclic compound and can be used as a key intermediate for the synthesis of pyrazolylamide derivatives.

HY-30012

5-Bromo-7-azaindole	Biochemical Assay Reagents
5-Bromo-7-azaindole is an important intermediate. 5-Bromo-7-azaindole can be used for the synthesis of other nitrogen-containing heterocyclic compounds .

HY-W016825

2-(Pyridin-2-yl)acetic acid hydrochloride	Biochemical Assay Reagents
2-(Pyridin-2-yl)acetic acid hydrochloride is a heterocyclic aromatic carboxylic acid compound. 2-(Pyridin-2-yl)acetic acid hydrochloride can be used as an organic synthesis intermediate or a metal complex .

HY-W007712

2-Bromo-3-methylpyridine 1 Publications Verification 2-Bromo-3-picoline	Biochemical Assay Reagents
2-Bromo-3-methylpyridine (2-Bromo-3-picoline) is a heterocyclic intermediate of the halomethylpyridine family. 2-Bromo-3-methylpyridine can be used in the synthesis of platinum(IV) diazide complexes .

HY-W016331

9H-Carbazol-4-ol 4-Hydroxycarbazole	Biochemical Assay Reagents
9H-Carbazol-4-ol (4-Hydroxycarbazole) can be used as an aromatic heterocyclic compound with widespread applications in organic synthesis, as well as certain biochemical and physiological effects. 9H-Carbazol-4-ol is a kind of biological materials or organic compounds that are widely used in life science research .

HY-Y0425

Terephthalaldehyde

Biochemical Assay Reagents

Terephthalaldehyde is a crosslinking agent. Terephthalaldehyde forms a crosslinked structure inside the gelatin matrix by forming Schiff base imines with the amino groups of gelatin, thereby constructing a three-dimensional network. Terephthalaldehyde improves the hydrophobicity of the gelatin matrix, delays water vapor penetration and enhances the liquid water resistance of gelatin films. Terephthalaldehyde can be used as a crosslinking agent to prepare crosslinked chitosan hydrogel (CAAT) via ultrasound-induced synthesis. Terephthalaldehyde helps CAAT hydrogels selectively adsorb anionic dyes from aqueous media, including multi-component systems containing cationic dyes. Terephthalaldehyde serves as a starting material for the synthesis of bis-heterocyclic compounds (including bis-thiazole and bis-triazolopyrimidine compounds) .

HY-65254

5-Amino-2-fluoropyridine	Biochemical Assay Reagents
5-Amino-2-fluoropyridine is a fluorinated heterocyclic compound, which can be used for the synthesis of other active compounds .

HY-32828

3-Amino-5-bromo-2-chloropyridine	Biochemical Assay Reagents
3-Amino-5-bromo-2-chloropyridine is a nitrogen-containing heterocyclic organic compound. 3-Amino-5-bromo-2-chloropyridine is an important intermediate, which can be used for the synthesis of other active compounds .

HY-41340R

2-Aminopyrimidine (Standard)	Biochemical Assay Reagents
2-Aminopyrimidine (Standard) is the analytical standard of 2-Aminopyrimidine (HY-41340). This product is intended for research and analytical applications. 2-Aminopyrimidine is an important heterocyclic intermediate. 2-Aminopyrimidine can undergo various reactions such as alkylation and acylation, and can be used for the synthesis of other active compounds.

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N6856

4-Hydroxycoumarin	Infection Classification of Application Fields Coumarins Phenylpropanoids Endogenous metabolite Disease Research Fields Source Classification	Bacterial Endogenous Metabolite
4-Hydroxycoumarin is an orally active coumarin derivative, one of the most versatile heterocyclic scaffolds, often used in the synthesis of various organic compounds. 4-Hydroxycoumarin possesses both electrophilic and nucleophilic properties. 4-Hydroxycoumarin is an HIV protease inhibitor and tyrosine kinase inhibitor. 4-Hydroxycoumarin has anti-inflammatory, antibacterial and anti-tumor effects .

HY-N6856R

4-Hydroxycoumarin (Standard)	Structural Classification Coumarins Phenylpropanoids Endogenous metabolite Source Classification	Reference Standards Bacterial Endogenous Metabolite
4-Hydroxycoumarin (Standard) is the analytical standard of 4-Hydroxycoumarin. This product is intended for research and analytical applications. 4-Hydroxycoumarin is an orally active coumarin derivative, one of the most versatile heterocyclic scaffolds, often used in the synthesis of various organic compounds. 4-Hydroxycoumarin possesses both electrophilic and nucleophilic properties. 4-Hydroxycoumarin is an HIV protease inhibitor and tyrosine kinase inhibitor. 4-Hydroxycoumarin has anti-inflammatory, antibacterial and anti-tumor effects .

HY-W001213

2-Amino-4-methoxyphenol	Structural Classification Monophenols other families Classification of Application Fields Other Diseases Phenols Camellia sinensis (L.) O. Ktze. Plants Disease Research Fields Source Classification Theaceae	Drug Intermediate
2-Amino-4-methoxyphenol is a volatile constituent in the aroma concentrate of Tieguanyin teas . 2-Amino-4-methoxyphenol is used for the synthesis of pyridine analogues .

HY-N3373R

Loganetin (Standard)	Structural Classification Human Gut Microbiota Metabolites Iridoids Cornaceae Cornus officinalis Sieb. et Zucc. Terpenoids Plants Endogenous metabolite Source Classification	Reference Standards Bacterial
4-Hydroxycoumarin (Standard) is the analytical standard of 4-Hydroxycoumarin. This product is intended for research and analytical applications. 4-Hydroxycoumarin is an orally active coumarin derivative, one of the most versatile heterocyclic scaffolds, often used in the synthesis of various organic compounds. 4-Hydroxycoumarin possesses both electrophilic and nucleophilic properties. 4-Hydroxycoumarin is an HIV protease inhibitor and tyrosine kinase inhibitor. 4-Hydroxycoumarin has anti-inflammatory, antibacterial and anti-tumor effects .

HY-W001213R

2-Amino-4-methoxyphenol (Standard)	Structural Classification Monophenols other families Phenols Camellia sinensis (L.) O. Ktze. Plants Source Classification Theaceae	Drug Intermediate Reference Standards
2-Amino-4-methoxyphenol (Standard) is the analytical standard of 2-Amino-4-methoxyphenol (HY-W001213). This product is intended for research and analytical applications. 2-Amino-4-methoxyphenol is a volatile constituent in the aroma concentrate of Tieguanyin teas . 2-Amino-4-methoxyphenol is used for the synthesis of pyridine analogues .

Cat. No.	Product Name	Chemical Structure

HY-W017289S

4,4′-Dipyridyl-d8
4,4′-Dipyridyl-d₈ is the deuterium labeled 4,4'-Dipyridyl (HY-017289). 4,4′-Dipyridyl is a heterocyclic compound. 4,4′-Dipyridyl is utilized as an electronic and photosensitive building block and bidentate ligand in supramolecular chemistry. 4,4′-Dipyridyl can also be used as a drug intermediate in the synthesis of paraquat, a widely used herbicide .

HY-W779244

1H-Pyrazole-3,4,5-d3
1H-Pyrazole-3,4,5-d₃ is the deuterium labeled 1H-pyrazole (HY-76228). 1H-pyrazole is a nitrogen-containing heterocyclic compound composed of a five-membered ring and two nitrogen atoms. 1H-pyrazole is an intermediate in organic synthesis. 1H-pyrazole coordinates with metal ions. 1H-pyrazole derivatives have antibacterial, anti-inflammatory, anti-malarial, and anti-leishmanial activities .

HY-W016825S1

2-(Pyridin-2-yl)acetic acid-d4 hydrochloride
2-(Pyridin-2-yl)acetic acid-d₄ hydrochloride is the deuterated derivative of 2-(Pyridin-2-yl)acetic acid hydrochloride (HY-W016825). 2-(Pyridin-2-yl)acetic acid hydrochloride is a heterocyclic aromatic carboxylic acid compound. 2-(Pyridin-2-yl)acetic acid hydrochloride can be used as an organic synthesis intermediate or a metal complex.

HY-W016825S

2-(Pyridin-2-yl)acetic acid-d6 hydrochloride
2-(Pyridin-2-yl)acetic acid-d₆ hydrochloride is the deuterated derivative of 2-(Pyridin-2-yl)acetic acid hydrochloride (HY-W016825). 2-(Pyridin-2-yl)acetic acid hydrochloride is a heterocyclic aromatic carboxylic acid compound. 2-(Pyridin-2-yl)acetic acid hydrochloride can be used as an organic synthesis intermediate or a metal complex.

HY-W016825S2

2-(Pyridin-2-yl)acetic acid-d2 hydrochloride
2-(Pyridin-2-yl)acetic acid-d₂ hydrochloride is the deuterated derivative of 2-(Pyridin-2-yl)acetic acid hydrochloride (HY-W016825). 2-(Pyridin-2-yl)acetic acid hydrochloride is a heterocyclic aromatic carboxylic acid compound. 2-(Pyridin-2-yl)acetic acid hydrochloride can be used as an organic synthesis intermediate or a metal complex.

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